1 #include "perf.h" 2 #include "util/util.h" 3 #include "util/debug.h" 4 #include "util/parse-options.h" 5 #include "util/parse-branch-options.h" 6 7 #define BRANCH_OPT(n, m) \ 8 { .name = n, .mode = (m) } 9 10 #define BRANCH_END { .name = NULL } 11 12 struct branch_mode { 13 const char *name; 14 int mode; 15 }; 16 17 static const struct branch_mode branch_modes[] = { 18 BRANCH_OPT("u", PERF_SAMPLE_BRANCH_USER), 19 BRANCH_OPT("k", PERF_SAMPLE_BRANCH_KERNEL), 20 BRANCH_OPT("hv", PERF_SAMPLE_BRANCH_HV), 21 BRANCH_OPT("any", PERF_SAMPLE_BRANCH_ANY), 22 BRANCH_OPT("any_call", PERF_SAMPLE_BRANCH_ANY_CALL), 23 BRANCH_OPT("any_ret", PERF_SAMPLE_BRANCH_ANY_RETURN), 24 BRANCH_OPT("ind_call", PERF_SAMPLE_BRANCH_IND_CALL), 25 BRANCH_OPT("abort_tx", PERF_SAMPLE_BRANCH_ABORT_TX), 26 BRANCH_OPT("in_tx", PERF_SAMPLE_BRANCH_IN_TX), 27 BRANCH_OPT("no_tx", PERF_SAMPLE_BRANCH_NO_TX), 28 BRANCH_OPT("cond", PERF_SAMPLE_BRANCH_COND), 29 BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP), 30 BRANCH_END 31 }; 32 33 int 34 parse_branch_stack(const struct option *opt, const char *str, int unset) 35 { 36 #define ONLY_PLM \ 37 (PERF_SAMPLE_BRANCH_USER |\ 38 PERF_SAMPLE_BRANCH_KERNEL |\ 39 PERF_SAMPLE_BRANCH_HV) 40 41 uint64_t *mode = (uint64_t *)opt->value; 42 const struct branch_mode *br; 43 char *s, *os = NULL, *p; 44 int ret = -1; 45 46 if (unset) 47 return 0; 48 49 /* 50 * cannot set it twice, -b + --branch-filter for instance 51 */ 52 if (*mode) 53 return -1; 54 55 /* str may be NULL in case no arg is passed to -b */ 56 if (str) { 57 /* because str is read-only */ 58 s = os = strdup(str); 59 if (!s) 60 return -1; 61 62 for (;;) { 63 p = strchr(s, ','); 64 if (p) 65 *p = '\0'; 66 67 for (br = branch_modes; br->name; br++) { 68 if (!strcasecmp(s, br->name)) 69 break; 70 } 71 if (!br->name) { 72 ui__warning("unknown branch filter %s," 73 " check man page\n", s); 74 goto error; 75 } 76 77 *mode |= br->mode; 78 79 if (!p) 80 break; 81 82 s = p + 1; 83 } 84 } 85 ret = 0; 86 87 /* default to any branch */ 88 if ((*mode & ~ONLY_PLM) == 0) { 89 *mode = PERF_SAMPLE_BRANCH_ANY; 90 } 91 error: 92 free(os); 93 return ret; 94 } 95