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3032 lines
71 KiB
3032 lines
71 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
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* This is rewrite of original c2c tool introduced in here: |
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* http://lwn.net/Articles/588866/ |
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* |
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* The original tool was changed to fit in current perf state. |
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* |
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* Original authors: |
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* Don Zickus <[email protected]> |
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* Dick Fowles <[email protected]> |
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* Joe Mario <[email protected]> |
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*/ |
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#include <errno.h> |
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#include <inttypes.h> |
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#include <linux/compiler.h> |
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#include <linux/err.h> |
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#include <linux/kernel.h> |
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#include <linux/stringify.h> |
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#include <linux/zalloc.h> |
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#include <asm/bug.h> |
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#include <sys/param.h> |
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#include "debug.h" |
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#include "builtin.h" |
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#include <perf/cpumap.h> |
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#include <subcmd/pager.h> |
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#include <subcmd/parse-options.h> |
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#include "map_symbol.h" |
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#include "mem-events.h" |
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#include "session.h" |
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#include "hist.h" |
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#include "sort.h" |
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#include "tool.h" |
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#include "cacheline.h" |
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#include "data.h" |
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#include "event.h" |
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#include "evlist.h" |
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#include "evsel.h" |
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#include "ui/browsers/hists.h" |
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#include "thread.h" |
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#include "mem2node.h" |
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#include "symbol.h" |
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#include "ui/ui.h" |
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#include "ui/progress.h" |
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#include "../perf.h" |
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#include "pmu.h" |
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#include "pmu-hybrid.h" |
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|
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struct c2c_hists { |
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struct hists hists; |
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struct perf_hpp_list list; |
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struct c2c_stats stats; |
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}; |
|
|
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struct compute_stats { |
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struct stats lcl_hitm; |
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struct stats rmt_hitm; |
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struct stats load; |
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}; |
|
|
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struct c2c_hist_entry { |
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struct c2c_hists *hists; |
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struct c2c_stats stats; |
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unsigned long *cpuset; |
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unsigned long *nodeset; |
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struct c2c_stats *node_stats; |
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unsigned int cacheline_idx; |
|
|
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struct compute_stats cstats; |
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|
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unsigned long paddr; |
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unsigned long paddr_cnt; |
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bool paddr_zero; |
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char *nodestr; |
|
|
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/* |
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* must be at the end, |
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* because of its callchain dynamic entry |
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*/ |
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struct hist_entry he; |
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}; |
|
|
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static char const *coalesce_default = "iaddr"; |
|
|
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struct perf_c2c { |
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struct perf_tool tool; |
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struct c2c_hists hists; |
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struct mem2node mem2node; |
|
|
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unsigned long **nodes; |
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int nodes_cnt; |
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int cpus_cnt; |
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int *cpu2node; |
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int node_info; |
|
|
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bool show_src; |
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bool show_all; |
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bool use_stdio; |
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bool stats_only; |
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bool symbol_full; |
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bool stitch_lbr; |
|
|
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/* Shared cache line stats */ |
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struct c2c_stats shared_clines_stats; |
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int shared_clines; |
|
|
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int display; |
|
|
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const char *coalesce; |
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char *cl_sort; |
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char *cl_resort; |
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char *cl_output; |
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}; |
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|
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enum { |
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DISPLAY_LCL, |
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DISPLAY_RMT, |
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DISPLAY_TOT, |
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DISPLAY_MAX, |
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}; |
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|
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static const char *display_str[DISPLAY_MAX] = { |
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[DISPLAY_LCL] = "Local", |
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[DISPLAY_RMT] = "Remote", |
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[DISPLAY_TOT] = "Total", |
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}; |
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|
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static const struct option c2c_options[] = { |
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OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), |
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OPT_END() |
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}; |
|
|
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static struct perf_c2c c2c; |
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|
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static void *c2c_he_zalloc(size_t size) |
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{ |
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struct c2c_hist_entry *c2c_he; |
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|
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c2c_he = zalloc(size + sizeof(*c2c_he)); |
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if (!c2c_he) |
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return NULL; |
|
|
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c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt); |
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if (!c2c_he->cpuset) |
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return NULL; |
|
|
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c2c_he->nodeset = bitmap_alloc(c2c.nodes_cnt); |
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if (!c2c_he->nodeset) |
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return NULL; |
|
|
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c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats)); |
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if (!c2c_he->node_stats) |
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return NULL; |
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|
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init_stats(&c2c_he->cstats.lcl_hitm); |
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init_stats(&c2c_he->cstats.rmt_hitm); |
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init_stats(&c2c_he->cstats.load); |
|
|
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return &c2c_he->he; |
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} |
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|
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static void c2c_he_free(void *he) |
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{ |
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struct c2c_hist_entry *c2c_he; |
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|
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c2c_he = container_of(he, struct c2c_hist_entry, he); |
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if (c2c_he->hists) { |
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hists__delete_entries(&c2c_he->hists->hists); |
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free(c2c_he->hists); |
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} |
|
|
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free(c2c_he->cpuset); |
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free(c2c_he->nodeset); |
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free(c2c_he->nodestr); |
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free(c2c_he->node_stats); |
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free(c2c_he); |
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} |
|
|
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static struct hist_entry_ops c2c_entry_ops = { |
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.new = c2c_he_zalloc, |
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.free = c2c_he_free, |
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}; |
|
|
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static int c2c_hists__init(struct c2c_hists *hists, |
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const char *sort, |
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int nr_header_lines); |
|
|
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static struct c2c_hists* |
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he__get_c2c_hists(struct hist_entry *he, |
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const char *sort, |
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int nr_header_lines) |
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{ |
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struct c2c_hist_entry *c2c_he; |
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struct c2c_hists *hists; |
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int ret; |
|
|
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c2c_he = container_of(he, struct c2c_hist_entry, he); |
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if (c2c_he->hists) |
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return c2c_he->hists; |
|
|
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hists = c2c_he->hists = zalloc(sizeof(*hists)); |
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if (!hists) |
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return NULL; |
|
|
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ret = c2c_hists__init(hists, sort, nr_header_lines); |
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if (ret) { |
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free(hists); |
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return NULL; |
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} |
|
|
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return hists; |
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} |
|
|
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static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he, |
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struct perf_sample *sample) |
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{ |
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if (WARN_ONCE(sample->cpu == (unsigned int) -1, |
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"WARNING: no sample cpu value")) |
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return; |
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|
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set_bit(sample->cpu, c2c_he->cpuset); |
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} |
|
|
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static void c2c_he__set_node(struct c2c_hist_entry *c2c_he, |
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struct perf_sample *sample) |
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{ |
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int node; |
|
|
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if (!sample->phys_addr) { |
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c2c_he->paddr_zero = true; |
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return; |
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} |
|
|
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node = mem2node__node(&c2c.mem2node, sample->phys_addr); |
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if (WARN_ONCE(node < 0, "WARNING: failed to find node\n")) |
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return; |
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|
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set_bit(node, c2c_he->nodeset); |
|
|
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if (c2c_he->paddr != sample->phys_addr) { |
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c2c_he->paddr_cnt++; |
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c2c_he->paddr = sample->phys_addr; |
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} |
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} |
|
|
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static void compute_stats(struct c2c_hist_entry *c2c_he, |
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struct c2c_stats *stats, |
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u64 weight) |
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{ |
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struct compute_stats *cstats = &c2c_he->cstats; |
|
|
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if (stats->rmt_hitm) |
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update_stats(&cstats->rmt_hitm, weight); |
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else if (stats->lcl_hitm) |
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update_stats(&cstats->lcl_hitm, weight); |
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else if (stats->load) |
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update_stats(&cstats->load, weight); |
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} |
|
|
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static int process_sample_event(struct perf_tool *tool __maybe_unused, |
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union perf_event *event, |
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struct perf_sample *sample, |
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struct evsel *evsel, |
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struct machine *machine) |
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{ |
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struct c2c_hists *c2c_hists = &c2c.hists; |
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struct c2c_hist_entry *c2c_he; |
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struct c2c_stats stats = { .nr_entries = 0, }; |
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struct hist_entry *he; |
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struct addr_location al; |
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struct mem_info *mi, *mi_dup; |
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int ret; |
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|
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if (machine__resolve(machine, &al, sample) < 0) { |
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pr_debug("problem processing %d event, skipping it.\n", |
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event->header.type); |
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return -1; |
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} |
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|
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if (c2c.stitch_lbr) |
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al.thread->lbr_stitch_enable = true; |
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|
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ret = sample__resolve_callchain(sample, &callchain_cursor, NULL, |
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evsel, &al, sysctl_perf_event_max_stack); |
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if (ret) |
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goto out; |
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|
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mi = sample__resolve_mem(sample, &al); |
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if (mi == NULL) |
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return -ENOMEM; |
|
|
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/* |
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* The mi object is released in hists__add_entry_ops, |
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* if it gets sorted out into existing data, so we need |
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* to take the copy now. |
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*/ |
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mi_dup = mem_info__get(mi); |
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|
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c2c_decode_stats(&stats, mi); |
|
|
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he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops, |
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&al, NULL, NULL, mi, |
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sample, true); |
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if (he == NULL) |
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goto free_mi; |
|
|
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c2c_he = container_of(he, struct c2c_hist_entry, he); |
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c2c_add_stats(&c2c_he->stats, &stats); |
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c2c_add_stats(&c2c_hists->stats, &stats); |
|
|
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c2c_he__set_cpu(c2c_he, sample); |
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c2c_he__set_node(c2c_he, sample); |
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|
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hists__inc_nr_samples(&c2c_hists->hists, he->filtered); |
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ret = hist_entry__append_callchain(he, sample); |
|
|
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if (!ret) { |
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/* |
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* There's already been warning about missing |
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* sample's cpu value. Let's account all to |
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* node 0 in this case, without any further |
|
* warning. |
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* |
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* Doing node stats only for single callchain data. |
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*/ |
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int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu; |
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int node = c2c.cpu2node[cpu]; |
|
|
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mi = mi_dup; |
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|
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c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2); |
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if (!c2c_hists) |
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goto free_mi; |
|
|
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he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops, |
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&al, NULL, NULL, mi, |
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sample, true); |
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if (he == NULL) |
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goto free_mi; |
|
|
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c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
c2c_add_stats(&c2c_he->stats, &stats); |
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c2c_add_stats(&c2c_hists->stats, &stats); |
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c2c_add_stats(&c2c_he->node_stats[node], &stats); |
|
|
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compute_stats(c2c_he, &stats, sample->weight); |
|
|
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c2c_he__set_cpu(c2c_he, sample); |
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c2c_he__set_node(c2c_he, sample); |
|
|
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hists__inc_nr_samples(&c2c_hists->hists, he->filtered); |
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ret = hist_entry__append_callchain(he, sample); |
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} |
|
|
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out: |
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addr_location__put(&al); |
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return ret; |
|
|
|
free_mi: |
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mem_info__put(mi_dup); |
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mem_info__put(mi); |
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ret = -ENOMEM; |
|
goto out; |
|
} |
|
|
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static struct perf_c2c c2c = { |
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.tool = { |
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.sample = process_sample_event, |
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.mmap = perf_event__process_mmap, |
|
.mmap2 = perf_event__process_mmap2, |
|
.comm = perf_event__process_comm, |
|
.exit = perf_event__process_exit, |
|
.fork = perf_event__process_fork, |
|
.lost = perf_event__process_lost, |
|
.attr = perf_event__process_attr, |
|
.auxtrace_info = perf_event__process_auxtrace_info, |
|
.auxtrace = perf_event__process_auxtrace, |
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.auxtrace_error = perf_event__process_auxtrace_error, |
|
.ordered_events = true, |
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.ordering_requires_timestamps = true, |
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}, |
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}; |
|
|
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static const char * const c2c_usage[] = { |
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"perf c2c {record|report}", |
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NULL |
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}; |
|
|
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static const char * const __usage_report[] = { |
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"perf c2c report", |
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NULL |
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}; |
|
|
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static const char * const *report_c2c_usage = __usage_report; |
|
|
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#define C2C_HEADER_MAX 2 |
|
|
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struct c2c_header { |
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struct { |
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const char *text; |
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int span; |
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} line[C2C_HEADER_MAX]; |
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}; |
|
|
|
struct c2c_dimension { |
|
struct c2c_header header; |
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const char *name; |
|
int width; |
|
struct sort_entry *se; |
|
|
|
int64_t (*cmp)(struct perf_hpp_fmt *fmt, |
|
struct hist_entry *, struct hist_entry *); |
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int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he); |
|
int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he); |
|
}; |
|
|
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struct c2c_fmt { |
|
struct perf_hpp_fmt fmt; |
|
struct c2c_dimension *dim; |
|
}; |
|
|
|
#define SYMBOL_WIDTH 30 |
|
|
|
static struct c2c_dimension dim_symbol; |
|
static struct c2c_dimension dim_srcline; |
|
|
|
static int symbol_width(struct hists *hists, struct sort_entry *se) |
|
{ |
|
int width = hists__col_len(hists, se->se_width_idx); |
|
|
|
if (!c2c.symbol_full) |
|
width = MIN(width, SYMBOL_WIDTH); |
|
|
|
return width; |
|
} |
|
|
|
static int c2c_width(struct perf_hpp_fmt *fmt, |
|
struct perf_hpp *hpp __maybe_unused, |
|
struct hists *hists) |
|
{ |
|
struct c2c_fmt *c2c_fmt; |
|
struct c2c_dimension *dim; |
|
|
|
c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); |
|
dim = c2c_fmt->dim; |
|
|
|
if (dim == &dim_symbol || dim == &dim_srcline) |
|
return symbol_width(hists, dim->se); |
|
|
|
return dim->se ? hists__col_len(hists, dim->se->se_width_idx) : |
|
c2c_fmt->dim->width; |
|
} |
|
|
|
static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hists *hists, int line, int *span) |
|
{ |
|
struct perf_hpp_list *hpp_list = hists->hpp_list; |
|
struct c2c_fmt *c2c_fmt; |
|
struct c2c_dimension *dim; |
|
const char *text = NULL; |
|
int width = c2c_width(fmt, hpp, hists); |
|
|
|
c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); |
|
dim = c2c_fmt->dim; |
|
|
|
if (dim->se) { |
|
text = dim->header.line[line].text; |
|
/* Use the last line from sort_entry if not defined. */ |
|
if (!text && (line == hpp_list->nr_header_lines - 1)) |
|
text = dim->se->se_header; |
|
} else { |
|
text = dim->header.line[line].text; |
|
|
|
if (*span) { |
|
(*span)--; |
|
return 0; |
|
} else { |
|
*span = dim->header.line[line].span; |
|
} |
|
} |
|
|
|
if (text == NULL) |
|
text = ""; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, text); |
|
} |
|
|
|
#define HEX_STR(__s, __v) \ |
|
({ \ |
|
scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \ |
|
__s; \ |
|
}) |
|
|
|
static int64_t |
|
dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
return sort__dcacheline_cmp(left, right); |
|
} |
|
|
|
static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
uint64_t addr = 0; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
char buf[20]; |
|
|
|
if (he->mem_info) |
|
addr = cl_address(he->mem_info->daddr.addr); |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr)); |
|
} |
|
|
|
static int |
|
dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
if (WARN_ON_ONCE(!c2c_he->nodestr)) |
|
return 0; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr); |
|
} |
|
|
|
static int |
|
dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt); |
|
} |
|
|
|
static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
uint64_t addr = 0; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
char buf[20]; |
|
|
|
if (he->mem_info) |
|
addr = cl_offset(he->mem_info->daddr.al_addr); |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr)); |
|
} |
|
|
|
static int64_t |
|
offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
uint64_t l = 0, r = 0; |
|
|
|
if (left->mem_info) |
|
l = cl_offset(left->mem_info->daddr.addr); |
|
if (right->mem_info) |
|
r = cl_offset(right->mem_info->daddr.addr); |
|
|
|
return (int64_t)(r - l); |
|
} |
|
|
|
static int |
|
iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
uint64_t addr = 0; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
char buf[20]; |
|
|
|
if (he->mem_info) |
|
addr = he->mem_info->iaddr.addr; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr)); |
|
} |
|
|
|
static int64_t |
|
iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
return sort__iaddr_cmp(left, right); |
|
} |
|
|
|
static int |
|
tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
unsigned int tot_hitm; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm); |
|
} |
|
|
|
static int64_t |
|
tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
struct c2c_hist_entry *c2c_left; |
|
struct c2c_hist_entry *c2c_right; |
|
uint64_t tot_hitm_left; |
|
uint64_t tot_hitm_right; |
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he); |
|
c2c_right = container_of(right, struct c2c_hist_entry, he); |
|
|
|
tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm; |
|
tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm; |
|
|
|
return tot_hitm_left - tot_hitm_right; |
|
} |
|
|
|
#define STAT_FN_ENTRY(__f) \ |
|
static int \ |
|
__f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \ |
|
struct hist_entry *he) \ |
|
{ \ |
|
struct c2c_hist_entry *c2c_he; \ |
|
int width = c2c_width(fmt, hpp, he->hists); \ |
|
\ |
|
c2c_he = container_of(he, struct c2c_hist_entry, he); \ |
|
return scnprintf(hpp->buf, hpp->size, "%*u", width, \ |
|
c2c_he->stats.__f); \ |
|
} |
|
|
|
#define STAT_FN_CMP(__f) \ |
|
static int64_t \ |
|
__f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \ |
|
struct hist_entry *left, struct hist_entry *right) \ |
|
{ \ |
|
struct c2c_hist_entry *c2c_left, *c2c_right; \ |
|
\ |
|
c2c_left = container_of(left, struct c2c_hist_entry, he); \ |
|
c2c_right = container_of(right, struct c2c_hist_entry, he); \ |
|
return (uint64_t) c2c_left->stats.__f - \ |
|
(uint64_t) c2c_right->stats.__f; \ |
|
} |
|
|
|
#define STAT_FN(__f) \ |
|
STAT_FN_ENTRY(__f) \ |
|
STAT_FN_CMP(__f) |
|
|
|
STAT_FN(rmt_hitm) |
|
STAT_FN(lcl_hitm) |
|
STAT_FN(store) |
|
STAT_FN(st_l1hit) |
|
STAT_FN(st_l1miss) |
|
STAT_FN(ld_fbhit) |
|
STAT_FN(ld_l1hit) |
|
STAT_FN(ld_l2hit) |
|
STAT_FN(ld_llchit) |
|
STAT_FN(rmt_hit) |
|
|
|
static uint64_t total_records(struct c2c_stats *stats) |
|
{ |
|
uint64_t lclmiss, ldcnt, total; |
|
|
|
lclmiss = stats->lcl_dram + |
|
stats->rmt_dram + |
|
stats->rmt_hitm + |
|
stats->rmt_hit; |
|
|
|
ldcnt = lclmiss + |
|
stats->ld_fbhit + |
|
stats->ld_l1hit + |
|
stats->ld_l2hit + |
|
stats->ld_llchit + |
|
stats->lcl_hitm; |
|
|
|
total = ldcnt + |
|
stats->st_l1hit + |
|
stats->st_l1miss; |
|
|
|
return total; |
|
} |
|
|
|
static int |
|
tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
uint64_t tot_recs; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
tot_recs = total_records(&c2c_he->stats); |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs); |
|
} |
|
|
|
static int64_t |
|
tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
struct c2c_hist_entry *c2c_left; |
|
struct c2c_hist_entry *c2c_right; |
|
uint64_t tot_recs_left; |
|
uint64_t tot_recs_right; |
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he); |
|
c2c_right = container_of(right, struct c2c_hist_entry, he); |
|
|
|
tot_recs_left = total_records(&c2c_left->stats); |
|
tot_recs_right = total_records(&c2c_right->stats); |
|
|
|
return tot_recs_left - tot_recs_right; |
|
} |
|
|
|
static uint64_t total_loads(struct c2c_stats *stats) |
|
{ |
|
uint64_t lclmiss, ldcnt; |
|
|
|
lclmiss = stats->lcl_dram + |
|
stats->rmt_dram + |
|
stats->rmt_hitm + |
|
stats->rmt_hit; |
|
|
|
ldcnt = lclmiss + |
|
stats->ld_fbhit + |
|
stats->ld_l1hit + |
|
stats->ld_l2hit + |
|
stats->ld_llchit + |
|
stats->lcl_hitm; |
|
|
|
return ldcnt; |
|
} |
|
|
|
static int |
|
tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
uint64_t tot_recs; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
tot_recs = total_loads(&c2c_he->stats); |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs); |
|
} |
|
|
|
static int64_t |
|
tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
struct c2c_hist_entry *c2c_left; |
|
struct c2c_hist_entry *c2c_right; |
|
uint64_t tot_recs_left; |
|
uint64_t tot_recs_right; |
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he); |
|
c2c_right = container_of(right, struct c2c_hist_entry, he); |
|
|
|
tot_recs_left = total_loads(&c2c_left->stats); |
|
tot_recs_right = total_loads(&c2c_right->stats); |
|
|
|
return tot_recs_left - tot_recs_right; |
|
} |
|
|
|
typedef double (get_percent_cb)(struct c2c_hist_entry *); |
|
|
|
static int |
|
percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he, get_percent_cb get_percent) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
double per; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
per = get_percent(c2c_he); |
|
|
|
#ifdef HAVE_SLANG_SUPPORT |
|
if (use_browser) |
|
return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per); |
|
#endif |
|
return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per); |
|
} |
|
|
|
static double percent_hitm(struct c2c_hist_entry *c2c_he) |
|
{ |
|
struct c2c_hists *hists; |
|
struct c2c_stats *stats; |
|
struct c2c_stats *total; |
|
int tot = 0, st = 0; |
|
double p; |
|
|
|
hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); |
|
stats = &c2c_he->stats; |
|
total = &hists->stats; |
|
|
|
switch (c2c.display) { |
|
case DISPLAY_RMT: |
|
st = stats->rmt_hitm; |
|
tot = total->rmt_hitm; |
|
break; |
|
case DISPLAY_LCL: |
|
st = stats->lcl_hitm; |
|
tot = total->lcl_hitm; |
|
break; |
|
case DISPLAY_TOT: |
|
st = stats->tot_hitm; |
|
tot = total->tot_hitm; |
|
default: |
|
break; |
|
} |
|
|
|
p = tot ? (double) st / tot : 0; |
|
|
|
return 100 * p; |
|
} |
|
|
|
#define PERC_STR(__s, __v) \ |
|
({ \ |
|
scnprintf(__s, sizeof(__s), "%.2F%%", __v); \ |
|
__s; \ |
|
}) |
|
|
|
static int |
|
percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
char buf[10]; |
|
double per; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
per = percent_hitm(c2c_he); |
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per)); |
|
} |
|
|
|
static int |
|
percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
return percent_color(fmt, hpp, he, percent_hitm); |
|
} |
|
|
|
static int64_t |
|
percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
struct c2c_hist_entry *c2c_left; |
|
struct c2c_hist_entry *c2c_right; |
|
double per_left; |
|
double per_right; |
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he); |
|
c2c_right = container_of(right, struct c2c_hist_entry, he); |
|
|
|
per_left = percent_hitm(c2c_left); |
|
per_right = percent_hitm(c2c_right); |
|
|
|
return per_left - per_right; |
|
} |
|
|
|
static struct c2c_stats *he_stats(struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
return &c2c_he->stats; |
|
} |
|
|
|
static struct c2c_stats *total_stats(struct hist_entry *he) |
|
{ |
|
struct c2c_hists *hists; |
|
|
|
hists = container_of(he->hists, struct c2c_hists, hists); |
|
return &hists->stats; |
|
} |
|
|
|
static double percent(u32 st, u32 tot) |
|
{ |
|
return tot ? 100. * (double) st / (double) tot : 0; |
|
} |
|
|
|
#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f) |
|
|
|
#define PERCENT_FN(__f) \ |
|
static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \ |
|
{ \ |
|
struct c2c_hists *hists; \ |
|
\ |
|
hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \ |
|
return percent(c2c_he->stats.__f, hists->stats.__f); \ |
|
} |
|
|
|
PERCENT_FN(rmt_hitm) |
|
PERCENT_FN(lcl_hitm) |
|
PERCENT_FN(st_l1hit) |
|
PERCENT_FN(st_l1miss) |
|
|
|
static int |
|
percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
double per = PERCENT(he, rmt_hitm); |
|
char buf[10]; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per)); |
|
} |
|
|
|
static int |
|
percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
return percent_color(fmt, hpp, he, percent_rmt_hitm); |
|
} |
|
|
|
static int64_t |
|
percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
double per_left; |
|
double per_right; |
|
|
|
per_left = PERCENT(left, lcl_hitm); |
|
per_right = PERCENT(right, lcl_hitm); |
|
|
|
return per_left - per_right; |
|
} |
|
|
|
static int |
|
percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
double per = PERCENT(he, lcl_hitm); |
|
char buf[10]; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per)); |
|
} |
|
|
|
static int |
|
percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
return percent_color(fmt, hpp, he, percent_lcl_hitm); |
|
} |
|
|
|
static int64_t |
|
percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
double per_left; |
|
double per_right; |
|
|
|
per_left = PERCENT(left, lcl_hitm); |
|
per_right = PERCENT(right, lcl_hitm); |
|
|
|
return per_left - per_right; |
|
} |
|
|
|
static int |
|
percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
double per = PERCENT(he, st_l1hit); |
|
char buf[10]; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per)); |
|
} |
|
|
|
static int |
|
percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
return percent_color(fmt, hpp, he, percent_st_l1hit); |
|
} |
|
|
|
static int64_t |
|
percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
double per_left; |
|
double per_right; |
|
|
|
per_left = PERCENT(left, st_l1hit); |
|
per_right = PERCENT(right, st_l1hit); |
|
|
|
return per_left - per_right; |
|
} |
|
|
|
static int |
|
percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
double per = PERCENT(he, st_l1miss); |
|
char buf[10]; |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per)); |
|
} |
|
|
|
static int |
|
percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
return percent_color(fmt, hpp, he, percent_st_l1miss); |
|
} |
|
|
|
static int64_t |
|
percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
double per_left; |
|
double per_right; |
|
|
|
per_left = PERCENT(left, st_l1miss); |
|
per_right = PERCENT(right, st_l1miss); |
|
|
|
return per_left - per_right; |
|
} |
|
|
|
STAT_FN(lcl_dram) |
|
STAT_FN(rmt_dram) |
|
|
|
static int |
|
pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_); |
|
} |
|
|
|
static int64_t |
|
pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left, struct hist_entry *right) |
|
{ |
|
return left->thread->pid_ - right->thread->pid_; |
|
} |
|
|
|
static int64_t |
|
empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
|
struct hist_entry *left __maybe_unused, |
|
struct hist_entry *right __maybe_unused) |
|
{ |
|
return 0; |
|
} |
|
|
|
static int display_metrics(struct perf_hpp *hpp, u32 val, u32 sum) |
|
{ |
|
int ret; |
|
|
|
if (sum != 0) |
|
ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ", |
|
percent(val, sum)); |
|
else |
|
ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a"); |
|
|
|
return ret; |
|
} |
|
|
|
static int |
|
node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
bool first = true; |
|
int node; |
|
int ret = 0; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
|
|
for (node = 0; node < c2c.nodes_cnt; node++) { |
|
DECLARE_BITMAP(set, c2c.cpus_cnt); |
|
|
|
bitmap_zero(set, c2c.cpus_cnt); |
|
bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt); |
|
|
|
if (!bitmap_weight(set, c2c.cpus_cnt)) { |
|
if (c2c.node_info == 1) { |
|
ret = scnprintf(hpp->buf, hpp->size, "%21s", " "); |
|
advance_hpp(hpp, ret); |
|
} |
|
continue; |
|
} |
|
|
|
if (!first) { |
|
ret = scnprintf(hpp->buf, hpp->size, " "); |
|
advance_hpp(hpp, ret); |
|
} |
|
|
|
switch (c2c.node_info) { |
|
case 0: |
|
ret = scnprintf(hpp->buf, hpp->size, "%2d", node); |
|
advance_hpp(hpp, ret); |
|
break; |
|
case 1: |
|
{ |
|
int num = bitmap_weight(set, c2c.cpus_cnt); |
|
struct c2c_stats *stats = &c2c_he->node_stats[node]; |
|
|
|
ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num); |
|
advance_hpp(hpp, ret); |
|
|
|
switch (c2c.display) { |
|
case DISPLAY_RMT: |
|
ret = display_metrics(hpp, stats->rmt_hitm, |
|
c2c_he->stats.rmt_hitm); |
|
break; |
|
case DISPLAY_LCL: |
|
ret = display_metrics(hpp, stats->lcl_hitm, |
|
c2c_he->stats.lcl_hitm); |
|
break; |
|
case DISPLAY_TOT: |
|
ret = display_metrics(hpp, stats->tot_hitm, |
|
c2c_he->stats.tot_hitm); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
advance_hpp(hpp, ret); |
|
|
|
if (c2c_he->stats.store > 0) { |
|
ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}", |
|
percent(stats->store, c2c_he->stats.store)); |
|
} else { |
|
ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a"); |
|
} |
|
|
|
advance_hpp(hpp, ret); |
|
break; |
|
} |
|
case 2: |
|
ret = scnprintf(hpp->buf, hpp->size, "%2d{", node); |
|
advance_hpp(hpp, ret); |
|
|
|
ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size); |
|
advance_hpp(hpp, ret); |
|
|
|
ret = scnprintf(hpp->buf, hpp->size, "}"); |
|
advance_hpp(hpp, ret); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
first = false; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int |
|
mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he, double mean) |
|
{ |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
char buf[10]; |
|
|
|
scnprintf(buf, 10, "%6.0f", mean); |
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf); |
|
} |
|
|
|
#define MEAN_ENTRY(__func, __val) \ |
|
static int \ |
|
__func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \ |
|
{ \ |
|
struct c2c_hist_entry *c2c_he; \ |
|
c2c_he = container_of(he, struct c2c_hist_entry, he); \ |
|
return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \ |
|
} |
|
|
|
MEAN_ENTRY(mean_rmt_entry, rmt_hitm); |
|
MEAN_ENTRY(mean_lcl_entry, lcl_hitm); |
|
MEAN_ENTRY(mean_load_entry, load); |
|
|
|
static int |
|
cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
char buf[10]; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
|
|
scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt)); |
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf); |
|
} |
|
|
|
static int |
|
cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
char buf[10]; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
|
|
scnprintf(buf, 10, "%u", c2c_he->cacheline_idx); |
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf); |
|
} |
|
|
|
static int |
|
cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
int width = c2c_width(fmt, hpp, he->hists); |
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, ""); |
|
} |
|
|
|
#define HEADER_LOW(__h) \ |
|
{ \ |
|
.line[1] = { \ |
|
.text = __h, \ |
|
}, \ |
|
} |
|
|
|
#define HEADER_BOTH(__h0, __h1) \ |
|
{ \ |
|
.line[0] = { \ |
|
.text = __h0, \ |
|
}, \ |
|
.line[1] = { \ |
|
.text = __h1, \ |
|
}, \ |
|
} |
|
|
|
#define HEADER_SPAN(__h0, __h1, __s) \ |
|
{ \ |
|
.line[0] = { \ |
|
.text = __h0, \ |
|
.span = __s, \ |
|
}, \ |
|
.line[1] = { \ |
|
.text = __h1, \ |
|
}, \ |
|
} |
|
|
|
#define HEADER_SPAN_LOW(__h) \ |
|
{ \ |
|
.line[1] = { \ |
|
.text = __h, \ |
|
}, \ |
|
} |
|
|
|
static struct c2c_dimension dim_dcacheline = { |
|
.header = HEADER_SPAN("--- Cacheline ----", "Address", 2), |
|
.name = "dcacheline", |
|
.cmp = dcacheline_cmp, |
|
.entry = dcacheline_entry, |
|
.width = 18, |
|
}; |
|
|
|
static struct c2c_dimension dim_dcacheline_node = { |
|
.header = HEADER_LOW("Node"), |
|
.name = "dcacheline_node", |
|
.cmp = empty_cmp, |
|
.entry = dcacheline_node_entry, |
|
.width = 4, |
|
}; |
|
|
|
static struct c2c_dimension dim_dcacheline_count = { |
|
.header = HEADER_LOW("PA cnt"), |
|
.name = "dcacheline_count", |
|
.cmp = empty_cmp, |
|
.entry = dcacheline_node_count, |
|
.width = 6, |
|
}; |
|
|
|
static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2); |
|
|
|
static struct c2c_dimension dim_offset = { |
|
.header = HEADER_SPAN("--- Data address -", "Offset", 2), |
|
.name = "offset", |
|
.cmp = offset_cmp, |
|
.entry = offset_entry, |
|
.width = 18, |
|
}; |
|
|
|
static struct c2c_dimension dim_offset_node = { |
|
.header = HEADER_LOW("Node"), |
|
.name = "offset_node", |
|
.cmp = empty_cmp, |
|
.entry = dcacheline_node_entry, |
|
.width = 4, |
|
}; |
|
|
|
static struct c2c_dimension dim_iaddr = { |
|
.header = HEADER_LOW("Code address"), |
|
.name = "iaddr", |
|
.cmp = iaddr_cmp, |
|
.entry = iaddr_entry, |
|
.width = 18, |
|
}; |
|
|
|
static struct c2c_dimension dim_tot_hitm = { |
|
.header = HEADER_SPAN("------- Load Hitm -------", "Total", 2), |
|
.name = "tot_hitm", |
|
.cmp = tot_hitm_cmp, |
|
.entry = tot_hitm_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_lcl_hitm = { |
|
.header = HEADER_SPAN_LOW("LclHitm"), |
|
.name = "lcl_hitm", |
|
.cmp = lcl_hitm_cmp, |
|
.entry = lcl_hitm_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_rmt_hitm = { |
|
.header = HEADER_SPAN_LOW("RmtHitm"), |
|
.name = "rmt_hitm", |
|
.cmp = rmt_hitm_cmp, |
|
.entry = rmt_hitm_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_cl_rmt_hitm = { |
|
.header = HEADER_SPAN("----- HITM -----", "Rmt", 1), |
|
.name = "cl_rmt_hitm", |
|
.cmp = rmt_hitm_cmp, |
|
.entry = rmt_hitm_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_cl_lcl_hitm = { |
|
.header = HEADER_SPAN_LOW("Lcl"), |
|
.name = "cl_lcl_hitm", |
|
.cmp = lcl_hitm_cmp, |
|
.entry = lcl_hitm_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_tot_stores = { |
|
.header = HEADER_BOTH("Total", "Stores"), |
|
.name = "tot_stores", |
|
.cmp = store_cmp, |
|
.entry = store_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_stores_l1hit = { |
|
.header = HEADER_SPAN("---- Stores ----", "L1Hit", 1), |
|
.name = "stores_l1hit", |
|
.cmp = st_l1hit_cmp, |
|
.entry = st_l1hit_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_stores_l1miss = { |
|
.header = HEADER_SPAN_LOW("L1Miss"), |
|
.name = "stores_l1miss", |
|
.cmp = st_l1miss_cmp, |
|
.entry = st_l1miss_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_cl_stores_l1hit = { |
|
.header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1), |
|
.name = "cl_stores_l1hit", |
|
.cmp = st_l1hit_cmp, |
|
.entry = st_l1hit_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_cl_stores_l1miss = { |
|
.header = HEADER_SPAN_LOW("L1 Miss"), |
|
.name = "cl_stores_l1miss", |
|
.cmp = st_l1miss_cmp, |
|
.entry = st_l1miss_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_ld_fbhit = { |
|
.header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2), |
|
.name = "ld_fbhit", |
|
.cmp = ld_fbhit_cmp, |
|
.entry = ld_fbhit_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_ld_l1hit = { |
|
.header = HEADER_SPAN_LOW("L1"), |
|
.name = "ld_l1hit", |
|
.cmp = ld_l1hit_cmp, |
|
.entry = ld_l1hit_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_ld_l2hit = { |
|
.header = HEADER_SPAN_LOW("L2"), |
|
.name = "ld_l2hit", |
|
.cmp = ld_l2hit_cmp, |
|
.entry = ld_l2hit_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_ld_llchit = { |
|
.header = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1), |
|
.name = "ld_lclhit", |
|
.cmp = ld_llchit_cmp, |
|
.entry = ld_llchit_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_ld_rmthit = { |
|
.header = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1), |
|
.name = "ld_rmthit", |
|
.cmp = rmt_hit_cmp, |
|
.entry = rmt_hit_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_tot_recs = { |
|
.header = HEADER_BOTH("Total", "records"), |
|
.name = "tot_recs", |
|
.cmp = tot_recs_cmp, |
|
.entry = tot_recs_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_tot_loads = { |
|
.header = HEADER_BOTH("Total", "Loads"), |
|
.name = "tot_loads", |
|
.cmp = tot_loads_cmp, |
|
.entry = tot_loads_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_header percent_hitm_header[] = { |
|
[DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"), |
|
[DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"), |
|
[DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"), |
|
}; |
|
|
|
static struct c2c_dimension dim_percent_hitm = { |
|
.name = "percent_hitm", |
|
.cmp = percent_hitm_cmp, |
|
.entry = percent_hitm_entry, |
|
.color = percent_hitm_color, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_percent_rmt_hitm = { |
|
.header = HEADER_SPAN("----- HITM -----", "RmtHitm", 1), |
|
.name = "percent_rmt_hitm", |
|
.cmp = percent_rmt_hitm_cmp, |
|
.entry = percent_rmt_hitm_entry, |
|
.color = percent_rmt_hitm_color, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_percent_lcl_hitm = { |
|
.header = HEADER_SPAN_LOW("LclHitm"), |
|
.name = "percent_lcl_hitm", |
|
.cmp = percent_lcl_hitm_cmp, |
|
.entry = percent_lcl_hitm_entry, |
|
.color = percent_lcl_hitm_color, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_percent_stores_l1hit = { |
|
.header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1), |
|
.name = "percent_stores_l1hit", |
|
.cmp = percent_stores_l1hit_cmp, |
|
.entry = percent_stores_l1hit_entry, |
|
.color = percent_stores_l1hit_color, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_percent_stores_l1miss = { |
|
.header = HEADER_SPAN_LOW("L1 Miss"), |
|
.name = "percent_stores_l1miss", |
|
.cmp = percent_stores_l1miss_cmp, |
|
.entry = percent_stores_l1miss_entry, |
|
.color = percent_stores_l1miss_color, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_dram_lcl = { |
|
.header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1), |
|
.name = "dram_lcl", |
|
.cmp = lcl_dram_cmp, |
|
.entry = lcl_dram_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_dram_rmt = { |
|
.header = HEADER_SPAN_LOW("Rmt"), |
|
.name = "dram_rmt", |
|
.cmp = rmt_dram_cmp, |
|
.entry = rmt_dram_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_pid = { |
|
.header = HEADER_LOW("Pid"), |
|
.name = "pid", |
|
.cmp = pid_cmp, |
|
.entry = pid_entry, |
|
.width = 7, |
|
}; |
|
|
|
static struct c2c_dimension dim_tid = { |
|
.header = HEADER_LOW("Tid"), |
|
.name = "tid", |
|
.se = &sort_thread, |
|
}; |
|
|
|
static struct c2c_dimension dim_symbol = { |
|
.name = "symbol", |
|
.se = &sort_sym, |
|
}; |
|
|
|
static struct c2c_dimension dim_dso = { |
|
.header = HEADER_BOTH("Shared", "Object"), |
|
.name = "dso", |
|
.se = &sort_dso, |
|
}; |
|
|
|
static struct c2c_header header_node[3] = { |
|
HEADER_LOW("Node"), |
|
HEADER_LOW("Node{cpus %hitms %stores}"), |
|
HEADER_LOW("Node{cpu list}"), |
|
}; |
|
|
|
static struct c2c_dimension dim_node = { |
|
.name = "node", |
|
.cmp = empty_cmp, |
|
.entry = node_entry, |
|
.width = 4, |
|
}; |
|
|
|
static struct c2c_dimension dim_mean_rmt = { |
|
.header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2), |
|
.name = "mean_rmt", |
|
.cmp = empty_cmp, |
|
.entry = mean_rmt_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_mean_lcl = { |
|
.header = HEADER_SPAN_LOW("lcl hitm"), |
|
.name = "mean_lcl", |
|
.cmp = empty_cmp, |
|
.entry = mean_lcl_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_mean_load = { |
|
.header = HEADER_SPAN_LOW("load"), |
|
.name = "mean_load", |
|
.cmp = empty_cmp, |
|
.entry = mean_load_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_cpucnt = { |
|
.header = HEADER_BOTH("cpu", "cnt"), |
|
.name = "cpucnt", |
|
.cmp = empty_cmp, |
|
.entry = cpucnt_entry, |
|
.width = 8, |
|
}; |
|
|
|
static struct c2c_dimension dim_srcline = { |
|
.name = "cl_srcline", |
|
.se = &sort_srcline, |
|
}; |
|
|
|
static struct c2c_dimension dim_dcacheline_idx = { |
|
.header = HEADER_LOW("Index"), |
|
.name = "cl_idx", |
|
.cmp = empty_cmp, |
|
.entry = cl_idx_entry, |
|
.width = 5, |
|
}; |
|
|
|
static struct c2c_dimension dim_dcacheline_num = { |
|
.header = HEADER_LOW("Num"), |
|
.name = "cl_num", |
|
.cmp = empty_cmp, |
|
.entry = cl_idx_entry, |
|
.width = 5, |
|
}; |
|
|
|
static struct c2c_dimension dim_dcacheline_num_empty = { |
|
.header = HEADER_LOW("Num"), |
|
.name = "cl_num_empty", |
|
.cmp = empty_cmp, |
|
.entry = cl_idx_empty_entry, |
|
.width = 5, |
|
}; |
|
|
|
static struct c2c_dimension *dimensions[] = { |
|
&dim_dcacheline, |
|
&dim_dcacheline_node, |
|
&dim_dcacheline_count, |
|
&dim_offset, |
|
&dim_offset_node, |
|
&dim_iaddr, |
|
&dim_tot_hitm, |
|
&dim_lcl_hitm, |
|
&dim_rmt_hitm, |
|
&dim_cl_lcl_hitm, |
|
&dim_cl_rmt_hitm, |
|
&dim_tot_stores, |
|
&dim_stores_l1hit, |
|
&dim_stores_l1miss, |
|
&dim_cl_stores_l1hit, |
|
&dim_cl_stores_l1miss, |
|
&dim_ld_fbhit, |
|
&dim_ld_l1hit, |
|
&dim_ld_l2hit, |
|
&dim_ld_llchit, |
|
&dim_ld_rmthit, |
|
&dim_tot_recs, |
|
&dim_tot_loads, |
|
&dim_percent_hitm, |
|
&dim_percent_rmt_hitm, |
|
&dim_percent_lcl_hitm, |
|
&dim_percent_stores_l1hit, |
|
&dim_percent_stores_l1miss, |
|
&dim_dram_lcl, |
|
&dim_dram_rmt, |
|
&dim_pid, |
|
&dim_tid, |
|
&dim_symbol, |
|
&dim_dso, |
|
&dim_node, |
|
&dim_mean_rmt, |
|
&dim_mean_lcl, |
|
&dim_mean_load, |
|
&dim_cpucnt, |
|
&dim_srcline, |
|
&dim_dcacheline_idx, |
|
&dim_dcacheline_num, |
|
&dim_dcacheline_num_empty, |
|
NULL, |
|
}; |
|
|
|
static void fmt_free(struct perf_hpp_fmt *fmt) |
|
{ |
|
struct c2c_fmt *c2c_fmt; |
|
|
|
c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); |
|
free(c2c_fmt); |
|
} |
|
|
|
static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) |
|
{ |
|
struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt); |
|
struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt); |
|
|
|
return c2c_a->dim == c2c_b->dim; |
|
} |
|
|
|
static struct c2c_dimension *get_dimension(const char *name) |
|
{ |
|
unsigned int i; |
|
|
|
for (i = 0; dimensions[i]; i++) { |
|
struct c2c_dimension *dim = dimensions[i]; |
|
|
|
if (!strcmp(dim->name, name)) |
|
return dim; |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
|
struct hist_entry *he) |
|
{ |
|
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); |
|
struct c2c_dimension *dim = c2c_fmt->dim; |
|
size_t len = fmt->user_len; |
|
|
|
if (!len) { |
|
len = hists__col_len(he->hists, dim->se->se_width_idx); |
|
|
|
if (dim == &dim_symbol || dim == &dim_srcline) |
|
len = symbol_width(he->hists, dim->se); |
|
} |
|
|
|
return dim->se->se_snprintf(he, hpp->buf, hpp->size, len); |
|
} |
|
|
|
static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt, |
|
struct hist_entry *a, struct hist_entry *b) |
|
{ |
|
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); |
|
struct c2c_dimension *dim = c2c_fmt->dim; |
|
|
|
return dim->se->se_cmp(a, b); |
|
} |
|
|
|
static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt, |
|
struct hist_entry *a, struct hist_entry *b) |
|
{ |
|
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); |
|
struct c2c_dimension *dim = c2c_fmt->dim; |
|
int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *); |
|
|
|
collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp; |
|
return collapse_fn(a, b); |
|
} |
|
|
|
static struct c2c_fmt *get_format(const char *name) |
|
{ |
|
struct c2c_dimension *dim = get_dimension(name); |
|
struct c2c_fmt *c2c_fmt; |
|
struct perf_hpp_fmt *fmt; |
|
|
|
if (!dim) |
|
return NULL; |
|
|
|
c2c_fmt = zalloc(sizeof(*c2c_fmt)); |
|
if (!c2c_fmt) |
|
return NULL; |
|
|
|
c2c_fmt->dim = dim; |
|
|
|
fmt = &c2c_fmt->fmt; |
|
INIT_LIST_HEAD(&fmt->list); |
|
INIT_LIST_HEAD(&fmt->sort_list); |
|
|
|
fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp; |
|
fmt->sort = dim->se ? c2c_se_cmp : dim->cmp; |
|
fmt->color = dim->se ? NULL : dim->color; |
|
fmt->entry = dim->se ? c2c_se_entry : dim->entry; |
|
fmt->header = c2c_header; |
|
fmt->width = c2c_width; |
|
fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp; |
|
fmt->equal = fmt_equal; |
|
fmt->free = fmt_free; |
|
|
|
return c2c_fmt; |
|
} |
|
|
|
static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name) |
|
{ |
|
struct c2c_fmt *c2c_fmt = get_format(name); |
|
|
|
if (!c2c_fmt) { |
|
reset_dimensions(); |
|
return output_field_add(hpp_list, name); |
|
} |
|
|
|
perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt); |
|
return 0; |
|
} |
|
|
|
static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name) |
|
{ |
|
struct c2c_fmt *c2c_fmt = get_format(name); |
|
struct c2c_dimension *dim; |
|
|
|
if (!c2c_fmt) { |
|
reset_dimensions(); |
|
return sort_dimension__add(hpp_list, name, NULL, 0); |
|
} |
|
|
|
dim = c2c_fmt->dim; |
|
if (dim == &dim_dso) |
|
hpp_list->dso = 1; |
|
|
|
perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt); |
|
return 0; |
|
} |
|
|
|
#define PARSE_LIST(_list, _fn) \ |
|
do { \ |
|
char *tmp, *tok; \ |
|
ret = 0; \ |
|
\ |
|
if (!_list) \ |
|
break; \ |
|
\ |
|
for (tok = strtok_r((char *)_list, ", ", &tmp); \ |
|
tok; tok = strtok_r(NULL, ", ", &tmp)) { \ |
|
ret = _fn(hpp_list, tok); \ |
|
if (ret == -EINVAL) { \ |
|
pr_err("Invalid --fields key: `%s'", tok); \ |
|
break; \ |
|
} else if (ret == -ESRCH) { \ |
|
pr_err("Unknown --fields key: `%s'", tok); \ |
|
break; \ |
|
} \ |
|
} \ |
|
} while (0) |
|
|
|
static int hpp_list__parse(struct perf_hpp_list *hpp_list, |
|
const char *output_, |
|
const char *sort_) |
|
{ |
|
char *output = output_ ? strdup(output_) : NULL; |
|
char *sort = sort_ ? strdup(sort_) : NULL; |
|
int ret; |
|
|
|
PARSE_LIST(output, c2c_hists__init_output); |
|
PARSE_LIST(sort, c2c_hists__init_sort); |
|
|
|
/* copy sort keys to output fields */ |
|
perf_hpp__setup_output_field(hpp_list); |
|
|
|
/* |
|
* We dont need other sorting keys other than those |
|
* we already specified. It also really slows down |
|
* the processing a lot with big number of output |
|
* fields, so switching this off for c2c. |
|
*/ |
|
|
|
#if 0 |
|
/* and then copy output fields to sort keys */ |
|
perf_hpp__append_sort_keys(&hists->list); |
|
#endif |
|
|
|
free(output); |
|
free(sort); |
|
return ret; |
|
} |
|
|
|
static int c2c_hists__init(struct c2c_hists *hists, |
|
const char *sort, |
|
int nr_header_lines) |
|
{ |
|
__hists__init(&hists->hists, &hists->list); |
|
|
|
/* |
|
* Initialize only with sort fields, we need to resort |
|
* later anyway, and that's where we add output fields |
|
* as well. |
|
*/ |
|
perf_hpp_list__init(&hists->list); |
|
|
|
/* Overload number of header lines.*/ |
|
hists->list.nr_header_lines = nr_header_lines; |
|
|
|
return hpp_list__parse(&hists->list, NULL, sort); |
|
} |
|
|
|
static int c2c_hists__reinit(struct c2c_hists *c2c_hists, |
|
const char *output, |
|
const char *sort) |
|
{ |
|
perf_hpp__reset_output_field(&c2c_hists->list); |
|
return hpp_list__parse(&c2c_hists->list, output, sort); |
|
} |
|
|
|
#define DISPLAY_LINE_LIMIT 0.001 |
|
|
|
static u8 filter_display(u32 val, u32 sum) |
|
{ |
|
if (sum == 0 || ((double)val / sum) < DISPLAY_LINE_LIMIT) |
|
return HIST_FILTER__C2C; |
|
|
|
return 0; |
|
} |
|
|
|
static bool he__display(struct hist_entry *he, struct c2c_stats *stats) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
|
|
if (c2c.show_all) |
|
return true; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
|
|
switch (c2c.display) { |
|
case DISPLAY_LCL: |
|
he->filtered = filter_display(c2c_he->stats.lcl_hitm, |
|
stats->lcl_hitm); |
|
break; |
|
case DISPLAY_RMT: |
|
he->filtered = filter_display(c2c_he->stats.rmt_hitm, |
|
stats->rmt_hitm); |
|
break; |
|
case DISPLAY_TOT: |
|
he->filtered = filter_display(c2c_he->stats.tot_hitm, |
|
stats->tot_hitm); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return he->filtered == 0; |
|
} |
|
|
|
static inline bool is_valid_hist_entry(struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
bool has_record = false; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
|
|
/* It's a valid entry if contains stores */ |
|
if (c2c_he->stats.store) |
|
return true; |
|
|
|
switch (c2c.display) { |
|
case DISPLAY_LCL: |
|
has_record = !!c2c_he->stats.lcl_hitm; |
|
break; |
|
case DISPLAY_RMT: |
|
has_record = !!c2c_he->stats.rmt_hitm; |
|
break; |
|
case DISPLAY_TOT: |
|
has_record = !!c2c_he->stats.tot_hitm; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return has_record; |
|
} |
|
|
|
static void set_node_width(struct c2c_hist_entry *c2c_he, int len) |
|
{ |
|
struct c2c_dimension *dim; |
|
|
|
dim = &c2c.hists == c2c_he->hists ? |
|
&dim_dcacheline_node : &dim_offset_node; |
|
|
|
if (len > dim->width) |
|
dim->width = len; |
|
} |
|
|
|
static int set_nodestr(struct c2c_hist_entry *c2c_he) |
|
{ |
|
char buf[30]; |
|
int len; |
|
|
|
if (c2c_he->nodestr) |
|
return 0; |
|
|
|
if (bitmap_weight(c2c_he->nodeset, c2c.nodes_cnt)) { |
|
len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt, |
|
buf, sizeof(buf)); |
|
} else { |
|
len = scnprintf(buf, sizeof(buf), "N/A"); |
|
} |
|
|
|
set_node_width(c2c_he, len); |
|
c2c_he->nodestr = strdup(buf); |
|
return c2c_he->nodestr ? 0 : -ENOMEM; |
|
} |
|
|
|
static void calc_width(struct c2c_hist_entry *c2c_he) |
|
{ |
|
struct c2c_hists *c2c_hists; |
|
|
|
c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); |
|
hists__calc_col_len(&c2c_hists->hists, &c2c_he->he); |
|
set_nodestr(c2c_he); |
|
} |
|
|
|
static int filter_cb(struct hist_entry *he, void *arg __maybe_unused) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
|
|
if (c2c.show_src && !he->srcline) |
|
he->srcline = hist_entry__srcline(he); |
|
|
|
calc_width(c2c_he); |
|
|
|
if (!is_valid_hist_entry(he)) |
|
he->filtered = HIST_FILTER__C2C; |
|
|
|
return 0; |
|
} |
|
|
|
static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
struct c2c_hists *c2c_hists; |
|
bool display = he__display(he, &c2c.shared_clines_stats); |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
c2c_hists = c2c_he->hists; |
|
|
|
if (display && c2c_hists) { |
|
static unsigned int idx; |
|
|
|
c2c_he->cacheline_idx = idx++; |
|
calc_width(c2c_he); |
|
|
|
c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort); |
|
|
|
hists__collapse_resort(&c2c_hists->hists, NULL); |
|
hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void setup_nodes_header(void) |
|
{ |
|
dim_node.header = header_node[c2c.node_info]; |
|
} |
|
|
|
static int setup_nodes(struct perf_session *session) |
|
{ |
|
struct numa_node *n; |
|
unsigned long **nodes; |
|
int node, cpu; |
|
int *cpu2node; |
|
|
|
if (c2c.node_info > 2) |
|
c2c.node_info = 2; |
|
|
|
c2c.nodes_cnt = session->header.env.nr_numa_nodes; |
|
c2c.cpus_cnt = session->header.env.nr_cpus_avail; |
|
|
|
n = session->header.env.numa_nodes; |
|
if (!n) |
|
return -EINVAL; |
|
|
|
nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt); |
|
if (!nodes) |
|
return -ENOMEM; |
|
|
|
c2c.nodes = nodes; |
|
|
|
cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt); |
|
if (!cpu2node) |
|
return -ENOMEM; |
|
|
|
for (cpu = 0; cpu < c2c.cpus_cnt; cpu++) |
|
cpu2node[cpu] = -1; |
|
|
|
c2c.cpu2node = cpu2node; |
|
|
|
for (node = 0; node < c2c.nodes_cnt; node++) { |
|
struct perf_cpu_map *map = n[node].map; |
|
unsigned long *set; |
|
|
|
set = bitmap_alloc(c2c.cpus_cnt); |
|
if (!set) |
|
return -ENOMEM; |
|
|
|
nodes[node] = set; |
|
|
|
/* empty node, skip */ |
|
if (perf_cpu_map__empty(map)) |
|
continue; |
|
|
|
for (cpu = 0; cpu < map->nr; cpu++) { |
|
set_bit(map->map[cpu], set); |
|
|
|
if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug")) |
|
return -EINVAL; |
|
|
|
cpu2node[map->map[cpu]] = node; |
|
} |
|
} |
|
|
|
setup_nodes_header(); |
|
return 0; |
|
} |
|
|
|
#define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm) |
|
|
|
static int resort_shared_cl_cb(struct hist_entry *he, void *arg __maybe_unused) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
|
|
if (HAS_HITMS(c2c_he)) { |
|
c2c.shared_clines++; |
|
c2c_add_stats(&c2c.shared_clines_stats, &c2c_he->stats); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb) |
|
{ |
|
struct rb_node *next = rb_first_cached(&hists->entries); |
|
int ret = 0; |
|
|
|
while (next) { |
|
struct hist_entry *he; |
|
|
|
he = rb_entry(next, struct hist_entry, rb_node); |
|
ret = cb(he, NULL); |
|
if (ret) |
|
break; |
|
next = rb_next(&he->rb_node); |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static void print_c2c__display_stats(FILE *out) |
|
{ |
|
int llc_misses; |
|
struct c2c_stats *stats = &c2c.hists.stats; |
|
|
|
llc_misses = stats->lcl_dram + |
|
stats->rmt_dram + |
|
stats->rmt_hit + |
|
stats->rmt_hitm; |
|
|
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, " Trace Event Information \n"); |
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, " Total records : %10d\n", stats->nr_entries); |
|
fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks); |
|
fprintf(out, " Load Operations : %10d\n", stats->load); |
|
fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache); |
|
fprintf(out, " Loads - IO : %10d\n", stats->ld_io); |
|
fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss); |
|
fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs); |
|
fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit); |
|
fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit); |
|
fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit); |
|
fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm); |
|
fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm); |
|
fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm); |
|
fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit); |
|
fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram); |
|
fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram); |
|
fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl); |
|
fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared); |
|
fprintf(out, " Load LLC Misses : %10d\n", llc_misses); |
|
fprintf(out, " Load access blocked by data : %10d\n", stats->blk_data); |
|
fprintf(out, " Load access blocked by address : %10d\n", stats->blk_addr); |
|
fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.); |
|
fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.); |
|
fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.); |
|
fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.); |
|
fprintf(out, " Store Operations : %10d\n", stats->store); |
|
fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache); |
|
fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs); |
|
fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit); |
|
fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss); |
|
fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap); |
|
fprintf(out, " Unable to parse data source : %10d\n", stats->noparse); |
|
} |
|
|
|
static void print_shared_cacheline_info(FILE *out) |
|
{ |
|
struct c2c_stats *stats = &c2c.shared_clines_stats; |
|
int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm; |
|
|
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, " Global Shared Cache Line Event Information \n"); |
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines); |
|
fprintf(out, " Load HITs on shared lines : %10d\n", stats->load); |
|
fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit); |
|
fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit); |
|
fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit); |
|
fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm); |
|
fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks); |
|
fprintf(out, " Blocked Access on shared lines : %10d\n", stats->blk_data + stats->blk_addr); |
|
fprintf(out, " Store HITs on shared lines : %10d\n", stats->store); |
|
fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit); |
|
fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store); |
|
} |
|
|
|
static void print_cacheline(struct c2c_hists *c2c_hists, |
|
struct hist_entry *he_cl, |
|
struct perf_hpp_list *hpp_list, |
|
FILE *out) |
|
{ |
|
char bf[1000]; |
|
struct perf_hpp hpp = { |
|
.buf = bf, |
|
.size = 1000, |
|
}; |
|
static bool once; |
|
|
|
if (!once) { |
|
hists__fprintf_headers(&c2c_hists->hists, out); |
|
once = true; |
|
} else { |
|
fprintf(out, "\n"); |
|
} |
|
|
|
fprintf(out, " -------------------------------------------------------------\n"); |
|
__hist_entry__snprintf(he_cl, &hpp, hpp_list); |
|
fprintf(out, "%s\n", bf); |
|
fprintf(out, " -------------------------------------------------------------\n"); |
|
|
|
hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false); |
|
} |
|
|
|
static void print_pareto(FILE *out) |
|
{ |
|
struct perf_hpp_list hpp_list; |
|
struct rb_node *nd; |
|
int ret; |
|
const char *cl_output; |
|
|
|
cl_output = "cl_num," |
|
"cl_rmt_hitm," |
|
"cl_lcl_hitm," |
|
"cl_stores_l1hit," |
|
"cl_stores_l1miss," |
|
"dcacheline"; |
|
|
|
perf_hpp_list__init(&hpp_list); |
|
ret = hpp_list__parse(&hpp_list, cl_output, NULL); |
|
|
|
if (WARN_ONCE(ret, "failed to setup sort entries\n")) |
|
return; |
|
|
|
nd = rb_first_cached(&c2c.hists.hists.entries); |
|
|
|
for (; nd; nd = rb_next(nd)) { |
|
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); |
|
struct c2c_hist_entry *c2c_he; |
|
|
|
if (he->filtered) |
|
continue; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
print_cacheline(c2c_he->hists, he, &hpp_list, out); |
|
} |
|
} |
|
|
|
static void print_c2c_info(FILE *out, struct perf_session *session) |
|
{ |
|
struct evlist *evlist = session->evlist; |
|
struct evsel *evsel; |
|
bool first = true; |
|
|
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, " c2c details \n"); |
|
fprintf(out, "=================================================\n"); |
|
|
|
evlist__for_each_entry(evlist, evsel) { |
|
fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel)); |
|
first = false; |
|
} |
|
fprintf(out, " Cachelines sort on : %s HITMs\n", |
|
display_str[c2c.display]); |
|
fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort); |
|
} |
|
|
|
static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session) |
|
{ |
|
setup_pager(); |
|
|
|
print_c2c__display_stats(out); |
|
fprintf(out, "\n"); |
|
print_shared_cacheline_info(out); |
|
fprintf(out, "\n"); |
|
print_c2c_info(out, session); |
|
|
|
if (c2c.stats_only) |
|
return; |
|
|
|
fprintf(out, "\n"); |
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, " Shared Data Cache Line Table \n"); |
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, "#\n"); |
|
|
|
hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true); |
|
|
|
fprintf(out, "\n"); |
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, " Shared Cache Line Distribution Pareto \n"); |
|
fprintf(out, "=================================================\n"); |
|
fprintf(out, "#\n"); |
|
|
|
print_pareto(out); |
|
} |
|
|
|
#ifdef HAVE_SLANG_SUPPORT |
|
static void c2c_browser__update_nr_entries(struct hist_browser *hb) |
|
{ |
|
u64 nr_entries = 0; |
|
struct rb_node *nd = rb_first_cached(&hb->hists->entries); |
|
|
|
while (nd) { |
|
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); |
|
|
|
if (!he->filtered) |
|
nr_entries++; |
|
|
|
nd = rb_next(nd); |
|
} |
|
|
|
hb->nr_non_filtered_entries = nr_entries; |
|
} |
|
|
|
struct c2c_cacheline_browser { |
|
struct hist_browser hb; |
|
struct hist_entry *he; |
|
}; |
|
|
|
static int |
|
perf_c2c_cacheline_browser__title(struct hist_browser *browser, |
|
char *bf, size_t size) |
|
{ |
|
struct c2c_cacheline_browser *cl_browser; |
|
struct hist_entry *he; |
|
uint64_t addr = 0; |
|
|
|
cl_browser = container_of(browser, struct c2c_cacheline_browser, hb); |
|
he = cl_browser->he; |
|
|
|
if (he->mem_info) |
|
addr = cl_address(he->mem_info->daddr.addr); |
|
|
|
scnprintf(bf, size, "Cacheline 0x%lx", addr); |
|
return 0; |
|
} |
|
|
|
static struct c2c_cacheline_browser* |
|
c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he) |
|
{ |
|
struct c2c_cacheline_browser *browser; |
|
|
|
browser = zalloc(sizeof(*browser)); |
|
if (browser) { |
|
hist_browser__init(&browser->hb, hists); |
|
browser->hb.c2c_filter = true; |
|
browser->hb.title = perf_c2c_cacheline_browser__title; |
|
browser->he = he; |
|
} |
|
|
|
return browser; |
|
} |
|
|
|
static int perf_c2c__browse_cacheline(struct hist_entry *he) |
|
{ |
|
struct c2c_hist_entry *c2c_he; |
|
struct c2c_hists *c2c_hists; |
|
struct c2c_cacheline_browser *cl_browser; |
|
struct hist_browser *browser; |
|
int key = -1; |
|
static const char help[] = |
|
" ENTER Toggle callchains (if present) \n" |
|
" n Toggle Node details info \n" |
|
" s Toggle full length of symbol and source line columns \n" |
|
" q Return back to cacheline list \n"; |
|
|
|
if (!he) |
|
return 0; |
|
|
|
/* Display compact version first. */ |
|
c2c.symbol_full = false; |
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); |
|
c2c_hists = c2c_he->hists; |
|
|
|
cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he); |
|
if (cl_browser == NULL) |
|
return -1; |
|
|
|
browser = &cl_browser->hb; |
|
|
|
/* reset abort key so that it can get Ctrl-C as a key */ |
|
SLang_reset_tty(); |
|
SLang_init_tty(0, 0, 0); |
|
|
|
c2c_browser__update_nr_entries(browser); |
|
|
|
while (1) { |
|
key = hist_browser__run(browser, "? - help", true, 0); |
|
|
|
switch (key) { |
|
case 's': |
|
c2c.symbol_full = !c2c.symbol_full; |
|
break; |
|
case 'n': |
|
c2c.node_info = (c2c.node_info + 1) % 3; |
|
setup_nodes_header(); |
|
break; |
|
case 'q': |
|
goto out; |
|
case '?': |
|
ui_browser__help_window(&browser->b, help); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
out: |
|
free(cl_browser); |
|
return 0; |
|
} |
|
|
|
static int perf_c2c_browser__title(struct hist_browser *browser, |
|
char *bf, size_t size) |
|
{ |
|
scnprintf(bf, size, |
|
"Shared Data Cache Line Table " |
|
"(%lu entries, sorted on %s HITMs)", |
|
browser->nr_non_filtered_entries, |
|
display_str[c2c.display]); |
|
return 0; |
|
} |
|
|
|
static struct hist_browser* |
|
perf_c2c_browser__new(struct hists *hists) |
|
{ |
|
struct hist_browser *browser = hist_browser__new(hists); |
|
|
|
if (browser) { |
|
browser->title = perf_c2c_browser__title; |
|
browser->c2c_filter = true; |
|
} |
|
|
|
return browser; |
|
} |
|
|
|
static int perf_c2c__hists_browse(struct hists *hists) |
|
{ |
|
struct hist_browser *browser; |
|
int key = -1; |
|
static const char help[] = |
|
" d Display cacheline details \n" |
|
" ENTER Toggle callchains (if present) \n" |
|
" q Quit \n"; |
|
|
|
browser = perf_c2c_browser__new(hists); |
|
if (browser == NULL) |
|
return -1; |
|
|
|
/* reset abort key so that it can get Ctrl-C as a key */ |
|
SLang_reset_tty(); |
|
SLang_init_tty(0, 0, 0); |
|
|
|
c2c_browser__update_nr_entries(browser); |
|
|
|
while (1) { |
|
key = hist_browser__run(browser, "? - help", true, 0); |
|
|
|
switch (key) { |
|
case 'q': |
|
goto out; |
|
case 'd': |
|
perf_c2c__browse_cacheline(browser->he_selection); |
|
break; |
|
case '?': |
|
ui_browser__help_window(&browser->b, help); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
out: |
|
hist_browser__delete(browser); |
|
return 0; |
|
} |
|
|
|
static void perf_c2c_display(struct perf_session *session) |
|
{ |
|
if (use_browser == 0) |
|
perf_c2c__hists_fprintf(stdout, session); |
|
else |
|
perf_c2c__hists_browse(&c2c.hists.hists); |
|
} |
|
#else |
|
static void perf_c2c_display(struct perf_session *session) |
|
{ |
|
use_browser = 0; |
|
perf_c2c__hists_fprintf(stdout, session); |
|
} |
|
#endif /* HAVE_SLANG_SUPPORT */ |
|
|
|
static char *fill_line(const char *orig, int len) |
|
{ |
|
int i, j, olen = strlen(orig); |
|
char *buf; |
|
|
|
buf = zalloc(len + 1); |
|
if (!buf) |
|
return NULL; |
|
|
|
j = len / 2 - olen / 2; |
|
|
|
for (i = 0; i < j - 1; i++) |
|
buf[i] = '-'; |
|
|
|
buf[i++] = ' '; |
|
|
|
strcpy(buf + i, orig); |
|
|
|
i += olen; |
|
|
|
buf[i++] = ' '; |
|
|
|
for (; i < len; i++) |
|
buf[i] = '-'; |
|
|
|
return buf; |
|
} |
|
|
|
static int ui_quirks(void) |
|
{ |
|
const char *nodestr = "Data address"; |
|
char *buf; |
|
|
|
if (!c2c.use_stdio) { |
|
dim_offset.width = 5; |
|
dim_offset.header = header_offset_tui; |
|
nodestr = "CL"; |
|
} |
|
|
|
dim_percent_hitm.header = percent_hitm_header[c2c.display]; |
|
|
|
/* Fix the zero line for dcacheline column. */ |
|
buf = fill_line("Cacheline", dim_dcacheline.width + |
|
dim_dcacheline_node.width + |
|
dim_dcacheline_count.width + 4); |
|
if (!buf) |
|
return -ENOMEM; |
|
|
|
dim_dcacheline.header.line[0].text = buf; |
|
|
|
/* Fix the zero line for offset column. */ |
|
buf = fill_line(nodestr, dim_offset.width + |
|
dim_offset_node.width + |
|
dim_dcacheline_count.width + 4); |
|
if (!buf) |
|
return -ENOMEM; |
|
|
|
dim_offset.header.line[0].text = buf; |
|
|
|
return 0; |
|
} |
|
|
|
#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" |
|
|
|
const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" |
|
CALLCHAIN_REPORT_HELP |
|
"\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; |
|
|
|
static int |
|
parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
|
{ |
|
struct callchain_param *callchain = opt->value; |
|
|
|
callchain->enabled = !unset; |
|
/* |
|
* --no-call-graph |
|
*/ |
|
if (unset) { |
|
symbol_conf.use_callchain = false; |
|
callchain->mode = CHAIN_NONE; |
|
return 0; |
|
} |
|
|
|
return parse_callchain_report_opt(arg); |
|
} |
|
|
|
static int setup_callchain(struct evlist *evlist) |
|
{ |
|
u64 sample_type = evlist__combined_sample_type(evlist); |
|
enum perf_call_graph_mode mode = CALLCHAIN_NONE; |
|
|
|
if ((sample_type & PERF_SAMPLE_REGS_USER) && |
|
(sample_type & PERF_SAMPLE_STACK_USER)) { |
|
mode = CALLCHAIN_DWARF; |
|
dwarf_callchain_users = true; |
|
} else if (sample_type & PERF_SAMPLE_BRANCH_STACK) |
|
mode = CALLCHAIN_LBR; |
|
else if (sample_type & PERF_SAMPLE_CALLCHAIN) |
|
mode = CALLCHAIN_FP; |
|
|
|
if (!callchain_param.enabled && |
|
callchain_param.mode != CHAIN_NONE && |
|
mode != CALLCHAIN_NONE) { |
|
symbol_conf.use_callchain = true; |
|
if (callchain_register_param(&callchain_param) < 0) { |
|
ui__error("Can't register callchain params.\n"); |
|
return -EINVAL; |
|
} |
|
} |
|
|
|
if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) { |
|
ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" |
|
"Please apply --call-graph lbr when recording.\n"); |
|
c2c.stitch_lbr = false; |
|
} |
|
|
|
callchain_param.record_mode = mode; |
|
callchain_param.min_percent = 0; |
|
return 0; |
|
} |
|
|
|
static int setup_display(const char *str) |
|
{ |
|
const char *display = str ?: "tot"; |
|
|
|
if (!strcmp(display, "tot")) |
|
c2c.display = DISPLAY_TOT; |
|
else if (!strcmp(display, "rmt")) |
|
c2c.display = DISPLAY_RMT; |
|
else if (!strcmp(display, "lcl")) |
|
c2c.display = DISPLAY_LCL; |
|
else { |
|
pr_err("failed: unknown display type: %s\n", str); |
|
return -1; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
#define for_each_token(__tok, __buf, __sep, __tmp) \ |
|
for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \ |
|
__tok = strtok_r(NULL, __sep, &__tmp)) |
|
|
|
static int build_cl_output(char *cl_sort, bool no_source) |
|
{ |
|
char *tok, *tmp, *buf = strdup(cl_sort); |
|
bool add_pid = false; |
|
bool add_tid = false; |
|
bool add_iaddr = false; |
|
bool add_sym = false; |
|
bool add_dso = false; |
|
bool add_src = false; |
|
int ret = 0; |
|
|
|
if (!buf) |
|
return -ENOMEM; |
|
|
|
for_each_token(tok, buf, ",", tmp) { |
|
if (!strcmp(tok, "tid")) { |
|
add_tid = true; |
|
} else if (!strcmp(tok, "pid")) { |
|
add_pid = true; |
|
} else if (!strcmp(tok, "iaddr")) { |
|
add_iaddr = true; |
|
add_sym = true; |
|
add_dso = true; |
|
add_src = no_source ? false : true; |
|
} else if (!strcmp(tok, "dso")) { |
|
add_dso = true; |
|
} else if (strcmp(tok, "offset")) { |
|
pr_err("unrecognized sort token: %s\n", tok); |
|
ret = -EINVAL; |
|
goto err; |
|
} |
|
} |
|
|
|
if (asprintf(&c2c.cl_output, |
|
"%s%s%s%s%s%s%s%s%s%s", |
|
c2c.use_stdio ? "cl_num_empty," : "", |
|
"percent_rmt_hitm," |
|
"percent_lcl_hitm," |
|
"percent_stores_l1hit," |
|
"percent_stores_l1miss," |
|
"offset,offset_node,dcacheline_count,", |
|
add_pid ? "pid," : "", |
|
add_tid ? "tid," : "", |
|
add_iaddr ? "iaddr," : "", |
|
"mean_rmt," |
|
"mean_lcl," |
|
"mean_load," |
|
"tot_recs," |
|
"cpucnt,", |
|
add_sym ? "symbol," : "", |
|
add_dso ? "dso," : "", |
|
add_src ? "cl_srcline," : "", |
|
"node") < 0) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
|
|
c2c.show_src = add_src; |
|
err: |
|
free(buf); |
|
return ret; |
|
} |
|
|
|
static int setup_coalesce(const char *coalesce, bool no_source) |
|
{ |
|
const char *c = coalesce ?: coalesce_default; |
|
|
|
if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0) |
|
return -ENOMEM; |
|
|
|
if (build_cl_output(c2c.cl_sort, no_source)) |
|
return -1; |
|
|
|
if (asprintf(&c2c.cl_resort, "offset,%s", |
|
c2c.display == DISPLAY_TOT ? |
|
"tot_hitm" : |
|
c2c.display == DISPLAY_RMT ? |
|
"rmt_hitm,lcl_hitm" : |
|
"lcl_hitm,rmt_hitm") < 0) |
|
return -ENOMEM; |
|
|
|
pr_debug("coalesce sort fields: %s\n", c2c.cl_sort); |
|
pr_debug("coalesce resort fields: %s\n", c2c.cl_resort); |
|
pr_debug("coalesce output fields: %s\n", c2c.cl_output); |
|
return 0; |
|
} |
|
|
|
static int perf_c2c__report(int argc, const char **argv) |
|
{ |
|
struct itrace_synth_opts itrace_synth_opts = { |
|
.set = true, |
|
.mem = true, /* Only enable memory event */ |
|
.default_no_sample = true, |
|
}; |
|
|
|
struct perf_session *session; |
|
struct ui_progress prog; |
|
struct perf_data data = { |
|
.mode = PERF_DATA_MODE_READ, |
|
}; |
|
char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; |
|
const char *display = NULL; |
|
const char *coalesce = NULL; |
|
bool no_source = false; |
|
const struct option options[] = { |
|
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
|
"file", "vmlinux pathname"), |
|
OPT_STRING('i', "input", &input_name, "file", |
|
"the input file to process"), |
|
OPT_INCR('N', "node-info", &c2c.node_info, |
|
"show extra node info in report (repeat for more info)"), |
|
#ifdef HAVE_SLANG_SUPPORT |
|
OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"), |
|
#endif |
|
OPT_BOOLEAN(0, "stats", &c2c.stats_only, |
|
"Display only statistic tables (implies --stdio)"), |
|
OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full, |
|
"Display full length of symbols"), |
|
OPT_BOOLEAN(0, "no-source", &no_source, |
|
"Do not display Source Line column"), |
|
OPT_BOOLEAN(0, "show-all", &c2c.show_all, |
|
"Show all captured HITM lines."), |
|
OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, |
|
"print_type,threshold[,print_limit],order,sort_key[,branch],value", |
|
callchain_help, &parse_callchain_opt, |
|
callchain_default_opt), |
|
OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"), |
|
OPT_STRING('c', "coalesce", &coalesce, "coalesce fields", |
|
"coalesce fields: pid,tid,iaddr,dso"), |
|
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), |
|
OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr, |
|
"Enable LBR callgraph stitching approach"), |
|
OPT_PARENT(c2c_options), |
|
OPT_END() |
|
}; |
|
int err = 0; |
|
const char *output_str, *sort_str = NULL; |
|
|
|
argc = parse_options(argc, argv, options, report_c2c_usage, |
|
PARSE_OPT_STOP_AT_NON_OPTION); |
|
if (argc) |
|
usage_with_options(report_c2c_usage, options); |
|
|
|
if (c2c.stats_only) |
|
c2c.use_stdio = true; |
|
|
|
if (!input_name || !strlen(input_name)) |
|
input_name = "perf.data"; |
|
|
|
data.path = input_name; |
|
data.force = symbol_conf.force; |
|
|
|
err = setup_display(display); |
|
if (err) |
|
goto out; |
|
|
|
err = setup_coalesce(coalesce, no_source); |
|
if (err) { |
|
pr_debug("Failed to initialize hists\n"); |
|
goto out; |
|
} |
|
|
|
err = c2c_hists__init(&c2c.hists, "dcacheline", 2); |
|
if (err) { |
|
pr_debug("Failed to initialize hists\n"); |
|
goto out; |
|
} |
|
|
|
session = perf_session__new(&data, 0, &c2c.tool); |
|
if (IS_ERR(session)) { |
|
err = PTR_ERR(session); |
|
pr_debug("Error creating perf session\n"); |
|
goto out; |
|
} |
|
|
|
session->itrace_synth_opts = &itrace_synth_opts; |
|
|
|
err = setup_nodes(session); |
|
if (err) { |
|
pr_err("Failed setup nodes\n"); |
|
goto out; |
|
} |
|
|
|
err = mem2node__init(&c2c.mem2node, &session->header.env); |
|
if (err) |
|
goto out_session; |
|
|
|
err = setup_callchain(session->evlist); |
|
if (err) |
|
goto out_mem2node; |
|
|
|
if (symbol__init(&session->header.env) < 0) |
|
goto out_mem2node; |
|
|
|
/* No pipe support at the moment. */ |
|
if (perf_data__is_pipe(session->data)) { |
|
pr_debug("No pipe support at the moment.\n"); |
|
goto out_mem2node; |
|
} |
|
|
|
if (c2c.use_stdio) |
|
use_browser = 0; |
|
else |
|
use_browser = 1; |
|
|
|
setup_browser(false); |
|
|
|
err = perf_session__process_events(session); |
|
if (err) { |
|
pr_err("failed to process sample\n"); |
|
goto out_mem2node; |
|
} |
|
|
|
output_str = "cl_idx," |
|
"dcacheline," |
|
"dcacheline_node," |
|
"dcacheline_count," |
|
"percent_hitm," |
|
"tot_hitm,lcl_hitm,rmt_hitm," |
|
"tot_recs," |
|
"tot_loads," |
|
"tot_stores," |
|
"stores_l1hit,stores_l1miss," |
|
"ld_fbhit,ld_l1hit,ld_l2hit," |
|
"ld_lclhit,lcl_hitm," |
|
"ld_rmthit,rmt_hitm," |
|
"dram_lcl,dram_rmt"; |
|
|
|
if (c2c.display == DISPLAY_TOT) |
|
sort_str = "tot_hitm"; |
|
else if (c2c.display == DISPLAY_RMT) |
|
sort_str = "rmt_hitm"; |
|
else if (c2c.display == DISPLAY_LCL) |
|
sort_str = "lcl_hitm"; |
|
|
|
c2c_hists__reinit(&c2c.hists, output_str, sort_str); |
|
|
|
ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting..."); |
|
|
|
hists__collapse_resort(&c2c.hists.hists, NULL); |
|
hists__output_resort_cb(&c2c.hists.hists, &prog, resort_shared_cl_cb); |
|
hists__iterate_cb(&c2c.hists.hists, resort_cl_cb); |
|
|
|
ui_progress__finish(); |
|
|
|
if (ui_quirks()) { |
|
pr_err("failed to setup UI\n"); |
|
goto out_mem2node; |
|
} |
|
|
|
perf_c2c_display(session); |
|
|
|
out_mem2node: |
|
mem2node__exit(&c2c.mem2node); |
|
out_session: |
|
perf_session__delete(session); |
|
out: |
|
return err; |
|
} |
|
|
|
static int parse_record_events(const struct option *opt, |
|
const char *str, int unset __maybe_unused) |
|
{ |
|
bool *event_set = (bool *) opt->value; |
|
|
|
if (!strcmp(str, "list")) { |
|
perf_mem_events__list(); |
|
exit(0); |
|
} |
|
if (perf_mem_events__parse(str)) |
|
exit(-1); |
|
|
|
*event_set = true; |
|
return 0; |
|
} |
|
|
|
|
|
static const char * const __usage_record[] = { |
|
"perf c2c record [<options>] [<command>]", |
|
"perf c2c record [<options>] -- <command> [<options>]", |
|
NULL |
|
}; |
|
|
|
static const char * const *record_mem_usage = __usage_record; |
|
|
|
static int perf_c2c__record(int argc, const char **argv) |
|
{ |
|
int rec_argc, i = 0, j, rec_tmp_nr = 0; |
|
const char **rec_argv; |
|
char **rec_tmp; |
|
int ret; |
|
bool all_user = false, all_kernel = false; |
|
bool event_set = false; |
|
struct perf_mem_event *e; |
|
struct option options[] = { |
|
OPT_CALLBACK('e', "event", &event_set, "event", |
|
"event selector. Use 'perf c2c record -e list' to list available events", |
|
parse_record_events), |
|
OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"), |
|
OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"), |
|
OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"), |
|
OPT_PARENT(c2c_options), |
|
OPT_END() |
|
}; |
|
|
|
if (perf_mem_events__init()) { |
|
pr_err("failed: memory events not supported\n"); |
|
return -1; |
|
} |
|
|
|
argc = parse_options(argc, argv, options, record_mem_usage, |
|
PARSE_OPT_KEEP_UNKNOWN); |
|
|
|
if (!perf_pmu__has_hybrid()) |
|
rec_argc = argc + 11; /* max number of arguments */ |
|
else |
|
rec_argc = argc + 11 * perf_pmu__hybrid_pmu_num(); |
|
|
|
rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
|
if (!rec_argv) |
|
return -1; |
|
|
|
rec_tmp = calloc(rec_argc + 1, sizeof(char *)); |
|
if (!rec_tmp) { |
|
free(rec_argv); |
|
return -1; |
|
} |
|
|
|
rec_argv[i++] = "record"; |
|
|
|
if (!event_set) { |
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD_STORE); |
|
/* |
|
* The load and store operations are required, use the event |
|
* PERF_MEM_EVENTS__LOAD_STORE if it is supported. |
|
*/ |
|
if (e->tag) { |
|
e->record = true; |
|
} else { |
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD); |
|
e->record = true; |
|
|
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__STORE); |
|
e->record = true; |
|
} |
|
} |
|
|
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD); |
|
if (e->record) |
|
rec_argv[i++] = "-W"; |
|
|
|
rec_argv[i++] = "-d"; |
|
rec_argv[i++] = "--phys-data"; |
|
rec_argv[i++] = "--sample-cpu"; |
|
|
|
ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &rec_tmp_nr); |
|
if (ret) |
|
goto out; |
|
|
|
if (all_user) |
|
rec_argv[i++] = "--all-user"; |
|
|
|
if (all_kernel) |
|
rec_argv[i++] = "--all-kernel"; |
|
|
|
for (j = 0; j < argc; j++, i++) |
|
rec_argv[i] = argv[j]; |
|
|
|
if (verbose > 0) { |
|
pr_debug("calling: "); |
|
|
|
j = 0; |
|
|
|
while (rec_argv[j]) { |
|
pr_debug("%s ", rec_argv[j]); |
|
j++; |
|
} |
|
pr_debug("\n"); |
|
} |
|
|
|
ret = cmd_record(i, rec_argv); |
|
out: |
|
for (i = 0; i < rec_tmp_nr; i++) |
|
free(rec_tmp[i]); |
|
|
|
free(rec_tmp); |
|
free(rec_argv); |
|
return ret; |
|
} |
|
|
|
int cmd_c2c(int argc, const char **argv) |
|
{ |
|
argc = parse_options(argc, argv, c2c_options, c2c_usage, |
|
PARSE_OPT_STOP_AT_NON_OPTION); |
|
|
|
if (!argc) |
|
usage_with_options(c2c_usage, c2c_options); |
|
|
|
if (!strncmp(argv[0], "rec", 3)) { |
|
return perf_c2c__record(argc, argv); |
|
} else if (!strncmp(argv[0], "rep", 3)) { |
|
return perf_c2c__report(argc, argv); |
|
} else { |
|
usage_with_options(c2c_usage, c2c_options); |
|
} |
|
|
|
return 0; |
|
}
|
|
|