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625 lines
18 KiB
625 lines
18 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include "util/debug.h" |
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#include "util/dso.h" |
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#include "util/event.h" |
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#include "util/map.h" |
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#include "util/symbol.h" |
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#include "util/sort.h" |
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#include "util/evsel.h" |
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#include "util/evlist.h" |
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#include "util/machine.h" |
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#include "util/thread.h" |
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#include "util/parse-events.h" |
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#include "tests/tests.h" |
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#include "tests/hists_common.h" |
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#include <linux/kernel.h> |
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|
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struct sample { |
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u32 cpu; |
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u32 pid; |
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u64 ip; |
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struct thread *thread; |
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struct map *map; |
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struct symbol *sym; |
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}; |
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|
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/* For the numbers, see hists_common.c */ |
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static struct sample fake_samples[] = { |
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/* perf [kernel] schedule() */ |
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{ .cpu = 0, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, |
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/* perf [perf] main() */ |
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{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, }, |
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/* perf [perf] cmd_record() */ |
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{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, }, |
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/* perf [libc] malloc() */ |
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{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, |
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/* perf [libc] free() */ |
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{ .cpu = 2, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, }, |
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/* perf [perf] main() */ |
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{ .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, |
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/* perf [kernel] page_fault() */ |
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{ .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, |
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/* bash [bash] main() */ |
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{ .cpu = 3, .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, }, |
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/* bash [bash] xmalloc() */ |
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{ .cpu = 0, .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, |
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/* bash [kernel] page_fault() */ |
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{ .cpu = 1, .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, |
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}; |
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|
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static int add_hist_entries(struct hists *hists, struct machine *machine) |
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{ |
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struct addr_location al; |
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struct evsel *evsel = hists_to_evsel(hists); |
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struct perf_sample sample = { .period = 100, }; |
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size_t i; |
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|
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for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { |
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struct hist_entry_iter iter = { |
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.evsel = evsel, |
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.sample = &sample, |
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.ops = &hist_iter_normal, |
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.hide_unresolved = false, |
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}; |
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sample.cpumode = PERF_RECORD_MISC_USER; |
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sample.cpu = fake_samples[i].cpu; |
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sample.pid = fake_samples[i].pid; |
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sample.tid = fake_samples[i].pid; |
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sample.ip = fake_samples[i].ip; |
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|
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if (machine__resolve(machine, &al, &sample) < 0) |
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goto out; |
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|
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if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, |
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NULL) < 0) { |
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addr_location__put(&al); |
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goto out; |
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} |
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fake_samples[i].thread = al.thread; |
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fake_samples[i].map = al.map; |
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fake_samples[i].sym = al.sym; |
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} |
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return TEST_OK; |
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out: |
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pr_debug("Not enough memory for adding a hist entry\n"); |
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return TEST_FAIL; |
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} |
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static void del_hist_entries(struct hists *hists) |
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{ |
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struct hist_entry *he; |
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struct rb_root_cached *root_in; |
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struct rb_root_cached *root_out; |
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struct rb_node *node; |
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if (hists__has(hists, need_collapse)) |
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root_in = &hists->entries_collapsed; |
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else |
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root_in = hists->entries_in; |
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root_out = &hists->entries; |
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while (!RB_EMPTY_ROOT(&root_out->rb_root)) { |
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node = rb_first_cached(root_out); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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rb_erase_cached(node, root_out); |
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rb_erase_cached(&he->rb_node_in, root_in); |
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hist_entry__delete(he); |
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} |
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} |
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typedef int (*test_fn_t)(struct evsel *, struct machine *); |
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#define COMM(he) (thread__comm_str(he->thread)) |
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#define DSO(he) (he->ms.map->dso->short_name) |
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#define SYM(he) (he->ms.sym->name) |
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#define CPU(he) (he->cpu) |
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#define PID(he) (he->thread->tid) |
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/* default sort keys (no field) */ |
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static int test1(struct evsel *evsel, struct machine *machine) |
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{ |
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int err; |
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struct hists *hists = evsel__hists(evsel); |
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struct hist_entry *he; |
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struct rb_root_cached *root; |
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struct rb_node *node; |
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field_order = NULL; |
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sort_order = NULL; /* equivalent to sort_order = "comm,dso,sym" */ |
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|
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setup_sorting(NULL); |
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/* |
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* expected output: |
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* |
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* Overhead Command Shared Object Symbol |
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* ======== ======= ============= ============== |
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* 20.00% perf perf [.] main |
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* 10.00% bash [kernel] [k] page_fault |
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* 10.00% bash bash [.] main |
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* 10.00% bash bash [.] xmalloc |
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* 10.00% perf [kernel] [k] page_fault |
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* 10.00% perf [kernel] [k] schedule |
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* 10.00% perf libc [.] free |
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* 10.00% perf libc [.] malloc |
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* 10.00% perf perf [.] cmd_record |
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*/ |
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err = add_hist_entries(hists, machine); |
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if (err < 0) |
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goto out; |
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hists__collapse_resort(hists, NULL); |
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evsel__output_resort(evsel, NULL); |
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|
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if (verbose > 2) { |
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pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); |
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print_hists_out(hists); |
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} |
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root = &hists->entries; |
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node = rb_first_cached(root); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && |
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!strcmp(SYM(he), "main") && he->stat.period == 200); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && |
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!strcmp(SYM(he), "page_fault") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && |
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!strcmp(SYM(he), "main") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && |
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!strcmp(SYM(he), "xmalloc") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && |
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!strcmp(SYM(he), "page_fault") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && |
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!strcmp(SYM(he), "schedule") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && |
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!strcmp(SYM(he), "free") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && |
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!strcmp(SYM(he), "malloc") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && |
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!strcmp(SYM(he), "cmd_record") && he->stat.period == 100); |
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out: |
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del_hist_entries(hists); |
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reset_output_field(); |
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return err; |
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} |
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/* mixed fields and sort keys */ |
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static int test2(struct evsel *evsel, struct machine *machine) |
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{ |
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int err; |
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struct hists *hists = evsel__hists(evsel); |
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struct hist_entry *he; |
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struct rb_root_cached *root; |
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struct rb_node *node; |
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field_order = "overhead,cpu"; |
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sort_order = "pid"; |
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setup_sorting(NULL); |
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/* |
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* expected output: |
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* |
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* Overhead CPU Command: Pid |
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* ======== === ============= |
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* 30.00% 1 perf : 100 |
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* 10.00% 0 perf : 100 |
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* 10.00% 2 perf : 100 |
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* 20.00% 2 perf : 200 |
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* 10.00% 0 bash : 300 |
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* 10.00% 1 bash : 300 |
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* 10.00% 3 bash : 300 |
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*/ |
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err = add_hist_entries(hists, machine); |
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if (err < 0) |
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goto out; |
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hists__collapse_resort(hists, NULL); |
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evsel__output_resort(evsel, NULL); |
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if (verbose > 2) { |
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pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); |
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print_hists_out(hists); |
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} |
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root = &hists->entries; |
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node = rb_first_cached(root); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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CPU(he) == 1 && PID(he) == 100 && he->stat.period == 300); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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CPU(he) == 0 && PID(he) == 100 && he->stat.period == 100); |
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out: |
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del_hist_entries(hists); |
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reset_output_field(); |
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return err; |
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} |
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/* fields only (no sort key) */ |
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static int test3(struct evsel *evsel, struct machine *machine) |
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{ |
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int err; |
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struct hists *hists = evsel__hists(evsel); |
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struct hist_entry *he; |
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struct rb_root_cached *root; |
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struct rb_node *node; |
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field_order = "comm,overhead,dso"; |
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sort_order = NULL; |
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setup_sorting(NULL); |
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/* |
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* expected output: |
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* |
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* Command Overhead Shared Object |
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* ======= ======== ============= |
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* bash 20.00% bash |
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* bash 10.00% [kernel] |
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* perf 30.00% perf |
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* perf 20.00% [kernel] |
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* perf 20.00% libc |
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*/ |
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err = add_hist_entries(hists, machine); |
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if (err < 0) |
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goto out; |
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hists__collapse_resort(hists, NULL); |
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evsel__output_resort(evsel, NULL); |
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if (verbose > 2) { |
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pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); |
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print_hists_out(hists); |
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} |
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root = &hists->entries; |
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node = rb_first_cached(root); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && |
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he->stat.period == 200); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && |
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he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && |
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he->stat.period == 300); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && |
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he->stat.period == 200); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && |
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he->stat.period == 200); |
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out: |
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del_hist_entries(hists); |
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reset_output_field(); |
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return err; |
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} |
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/* handle duplicate 'dso' field */ |
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static int test4(struct evsel *evsel, struct machine *machine) |
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{ |
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int err; |
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struct hists *hists = evsel__hists(evsel); |
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struct hist_entry *he; |
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struct rb_root_cached *root; |
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struct rb_node *node; |
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field_order = "dso,sym,comm,overhead,dso"; |
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sort_order = "sym"; |
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setup_sorting(NULL); |
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/* |
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* expected output: |
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* |
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* Shared Object Symbol Command Overhead |
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* ============= ============== ======= ======== |
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* perf [.] cmd_record perf 10.00% |
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* libc [.] free perf 10.00% |
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* bash [.] main bash 10.00% |
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* perf [.] main perf 20.00% |
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* libc [.] malloc perf 10.00% |
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* [kernel] [k] page_fault bash 10.00% |
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* [kernel] [k] page_fault perf 10.00% |
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* [kernel] [k] schedule perf 10.00% |
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* bash [.] xmalloc bash 10.00% |
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*/ |
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err = add_hist_entries(hists, machine); |
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if (err < 0) |
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goto out; |
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hists__collapse_resort(hists, NULL); |
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evsel__output_resort(evsel, NULL); |
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if (verbose > 2) { |
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pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); |
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print_hists_out(hists); |
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} |
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root = &hists->entries; |
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node = rb_first_cached(root); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "perf") && !strcmp(SYM(he), "cmd_record") && |
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!strcmp(COMM(he), "perf") && he->stat.period == 100); |
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "libc") && !strcmp(SYM(he), "free") && |
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!strcmp(COMM(he), "perf") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "bash") && !strcmp(SYM(he), "main") && |
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!strcmp(COMM(he), "bash") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "perf") && !strcmp(SYM(he), "main") && |
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!strcmp(COMM(he), "perf") && he->stat.period == 200); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "libc") && !strcmp(SYM(he), "malloc") && |
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!strcmp(COMM(he), "perf") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && |
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!strcmp(COMM(he), "bash") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && |
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!strcmp(COMM(he), "perf") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "schedule") && |
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!strcmp(COMM(he), "perf") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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!strcmp(DSO(he), "bash") && !strcmp(SYM(he), "xmalloc") && |
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!strcmp(COMM(he), "bash") && he->stat.period == 100); |
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|
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out: |
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del_hist_entries(hists); |
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reset_output_field(); |
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return err; |
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} |
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|
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/* full sort keys w/o overhead field */ |
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static int test5(struct evsel *evsel, struct machine *machine) |
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{ |
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int err; |
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struct hists *hists = evsel__hists(evsel); |
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struct hist_entry *he; |
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struct rb_root_cached *root; |
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struct rb_node *node; |
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|
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field_order = "cpu,pid,comm,dso,sym"; |
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sort_order = "dso,pid"; |
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|
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setup_sorting(NULL); |
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|
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/* |
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* expected output: |
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* |
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* CPU Command: Pid Command Shared Object Symbol |
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* === ============= ======= ============= ============== |
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* 0 perf: 100 perf [kernel] [k] schedule |
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* 2 perf: 200 perf [kernel] [k] page_fault |
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* 1 bash: 300 bash [kernel] [k] page_fault |
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* 0 bash: 300 bash bash [.] xmalloc |
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* 3 bash: 300 bash bash [.] main |
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* 1 perf: 100 perf libc [.] malloc |
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* 2 perf: 100 perf libc [.] free |
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* 1 perf: 100 perf perf [.] cmd_record |
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* 1 perf: 100 perf perf [.] main |
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* 2 perf: 200 perf perf [.] main |
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*/ |
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err = add_hist_entries(hists, machine); |
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if (err < 0) |
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goto out; |
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|
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hists__collapse_resort(hists, NULL); |
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evsel__output_resort(evsel, NULL); |
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|
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if (verbose > 2) { |
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pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); |
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print_hists_out(hists); |
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} |
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|
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root = &hists->entries; |
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node = rb_first_cached(root); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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|
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TEST_ASSERT_VAL("Invalid hist entry", |
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CPU(he) == 0 && PID(he) == 100 && |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && |
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!strcmp(SYM(he), "schedule") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
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TEST_ASSERT_VAL("Invalid hist entry", |
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CPU(he) == 2 && PID(he) == 200 && |
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!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && |
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!strcmp(SYM(he), "page_fault") && he->stat.period == 100); |
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|
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node = rb_next(node); |
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he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 1 && PID(he) == 300 && |
|
!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && |
|
!strcmp(SYM(he), "page_fault") && he->stat.period == 100); |
|
|
|
node = rb_next(node); |
|
he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 0 && PID(he) == 300 && |
|
!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && |
|
!strcmp(SYM(he), "xmalloc") && he->stat.period == 100); |
|
|
|
node = rb_next(node); |
|
he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 3 && PID(he) == 300 && |
|
!strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && |
|
!strcmp(SYM(he), "main") && he->stat.period == 100); |
|
|
|
node = rb_next(node); |
|
he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 1 && PID(he) == 100 && |
|
!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && |
|
!strcmp(SYM(he), "malloc") && he->stat.period == 100); |
|
|
|
node = rb_next(node); |
|
he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 2 && PID(he) == 100 && |
|
!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && |
|
!strcmp(SYM(he), "free") && he->stat.period == 100); |
|
|
|
node = rb_next(node); |
|
he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 1 && PID(he) == 100 && |
|
!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && |
|
!strcmp(SYM(he), "cmd_record") && he->stat.period == 100); |
|
|
|
node = rb_next(node); |
|
he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 1 && PID(he) == 100 && |
|
!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && |
|
!strcmp(SYM(he), "main") && he->stat.period == 100); |
|
|
|
node = rb_next(node); |
|
he = rb_entry(node, struct hist_entry, rb_node); |
|
TEST_ASSERT_VAL("Invalid hist entry", |
|
CPU(he) == 2 && PID(he) == 200 && |
|
!strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && |
|
!strcmp(SYM(he), "main") && he->stat.period == 100); |
|
|
|
out: |
|
del_hist_entries(hists); |
|
reset_output_field(); |
|
return err; |
|
} |
|
|
|
int test__hists_output(struct test *test __maybe_unused, int subtest __maybe_unused) |
|
{ |
|
int err = TEST_FAIL; |
|
struct machines machines; |
|
struct machine *machine; |
|
struct evsel *evsel; |
|
struct evlist *evlist = evlist__new(); |
|
size_t i; |
|
test_fn_t testcases[] = { |
|
test1, |
|
test2, |
|
test3, |
|
test4, |
|
test5, |
|
}; |
|
|
|
TEST_ASSERT_VAL("No memory", evlist); |
|
|
|
err = parse_events(evlist, "cpu-clock", NULL); |
|
if (err) |
|
goto out; |
|
err = TEST_FAIL; |
|
|
|
machines__init(&machines); |
|
|
|
/* setup threads/dso/map/symbols also */ |
|
machine = setup_fake_machine(&machines); |
|
if (!machine) |
|
goto out; |
|
|
|
if (verbose > 1) |
|
machine__fprintf(machine, stderr); |
|
|
|
evsel = evlist__first(evlist); |
|
|
|
for (i = 0; i < ARRAY_SIZE(testcases); i++) { |
|
err = testcases[i](evsel, machine); |
|
if (err < 0) |
|
break; |
|
} |
|
|
|
out: |
|
/* tear down everything */ |
|
evlist__delete(evlist); |
|
machines__exit(&machines); |
|
|
|
return err; |
|
}
|
|
|