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108 lines
2.2 KiB
108 lines
2.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include "util/debug.h" |
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#include "util/event.h" |
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#include <subcmd/parse-options.h> |
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#include "util/parse-branch-options.h" |
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#include <stdlib.h> |
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#include <string.h> |
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#define BRANCH_OPT(n, m) \ |
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{ .name = n, .mode = (m) } |
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#define BRANCH_END { .name = NULL } |
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struct branch_mode { |
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const char *name; |
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int mode; |
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}; |
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static const struct branch_mode branch_modes[] = { |
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BRANCH_OPT("u", PERF_SAMPLE_BRANCH_USER), |
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BRANCH_OPT("k", PERF_SAMPLE_BRANCH_KERNEL), |
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BRANCH_OPT("hv", PERF_SAMPLE_BRANCH_HV), |
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BRANCH_OPT("any", PERF_SAMPLE_BRANCH_ANY), |
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BRANCH_OPT("any_call", PERF_SAMPLE_BRANCH_ANY_CALL), |
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BRANCH_OPT("any_ret", PERF_SAMPLE_BRANCH_ANY_RETURN), |
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BRANCH_OPT("ind_call", PERF_SAMPLE_BRANCH_IND_CALL), |
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BRANCH_OPT("abort_tx", PERF_SAMPLE_BRANCH_ABORT_TX), |
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BRANCH_OPT("in_tx", PERF_SAMPLE_BRANCH_IN_TX), |
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BRANCH_OPT("no_tx", PERF_SAMPLE_BRANCH_NO_TX), |
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BRANCH_OPT("cond", PERF_SAMPLE_BRANCH_COND), |
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BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP), |
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BRANCH_OPT("call", PERF_SAMPLE_BRANCH_CALL), |
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BRANCH_OPT("save_type", PERF_SAMPLE_BRANCH_TYPE_SAVE), |
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BRANCH_OPT("stack", PERF_SAMPLE_BRANCH_CALL_STACK), |
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BRANCH_END |
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}; |
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int parse_branch_str(const char *str, __u64 *mode) |
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{ |
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#define ONLY_PLM \ |
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(PERF_SAMPLE_BRANCH_USER |\ |
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PERF_SAMPLE_BRANCH_KERNEL |\ |
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PERF_SAMPLE_BRANCH_HV) |
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int ret = 0; |
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char *p, *s; |
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char *os = NULL; |
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const struct branch_mode *br; |
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if (str == NULL) { |
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*mode = PERF_SAMPLE_BRANCH_ANY; |
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return 0; |
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} |
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/* because str is read-only */ |
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s = os = strdup(str); |
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if (!s) |
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return -1; |
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for (;;) { |
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p = strchr(s, ','); |
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if (p) |
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*p = '\0'; |
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for (br = branch_modes; br->name; br++) { |
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if (!strcasecmp(s, br->name)) |
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break; |
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} |
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if (!br->name) { |
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ret = -1; |
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pr_warning("unknown branch filter %s," |
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" check man page\n", s); |
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goto error; |
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} |
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*mode |= br->mode; |
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if (!p) |
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break; |
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s = p + 1; |
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} |
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/* default to any branch */ |
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if ((*mode & ~ONLY_PLM) == 0) { |
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*mode = PERF_SAMPLE_BRANCH_ANY; |
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} |
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error: |
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free(os); |
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return ret; |
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} |
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int |
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parse_branch_stack(const struct option *opt, const char *str, int unset) |
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{ |
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__u64 *mode = (__u64 *)opt->value; |
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if (unset) |
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return 0; |
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/* |
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* cannot set it twice, -b + --branch-filter for instance |
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*/ |
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if (*mode) |
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return -1; |
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return parse_branch_str(str, mode); |
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}
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