96 lines
2.0 KiB
C
96 lines
2.0 KiB
C
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#include "perf.h"
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#include "util/util.h"
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#include "util/debug.h"
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#include <subcmd/parse-options.h>
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#include "util/parse-branch-options.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_END
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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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#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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uint64_t *mode = (uint64_t *)opt->value;
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const struct branch_mode *br;
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char *s, *os = NULL, *p;
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int ret = -1;
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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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/* str may be NULL in case no arg is passed to -b */
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if (str) {
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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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ui__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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}
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ret = 0;
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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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