1 #include "perf.h" 2 #include "util/util.h" 3 #include "util/debug.h" 4 #include <subcmd/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_OPT("call", PERF_SAMPLE_BRANCH_CALL), 31 BRANCH_END 32 }; 33 34 int parse_branch_str(const char *str, __u64 *mode) 35 { 36 #define ONLY_PLM \ 37 (PERF_SAMPLE_BRANCH_USER |\ 38 PERF_SAMPLE_BRANCH_KERNEL |\ 39 PERF_SAMPLE_BRANCH_HV) 40 41 int ret = 0; 42 char *p, *s; 43 char *os = NULL; 44 const struct branch_mode *br; 45 46 if (str == NULL) { 47 *mode = PERF_SAMPLE_BRANCH_ANY; 48 return 0; 49 } 50 51 /* because str is read-only */ 52 s = os = strdup(str); 53 if (!s) 54 return -1; 55 56 for (;;) { 57 p = strchr(s, ','); 58 if (p) 59 *p = '\0'; 60 61 for (br = branch_modes; br->name; br++) { 62 if (!strcasecmp(s, br->name)) 63 break; 64 } 65 if (!br->name) { 66 ret = -1; 67 pr_warning("unknown branch filter %s," 68 " check man page\n", s); 69 goto error; 70 } 71 72 *mode |= br->mode; 73 74 if (!p) 75 break; 76 77 s = p + 1; 78 } 79 80 /* default to any branch */ 81 if ((*mode & ~ONLY_PLM) == 0) { 82 *mode = PERF_SAMPLE_BRANCH_ANY; 83 } 84 error: 85 free(os); 86 return ret; 87 } 88 89 int 90 parse_branch_stack(const struct option *opt, const char *str, int unset) 91 { 92 __u64 *mode = (__u64 *)opt->value; 93 94 if (unset) 95 return 0; 96 97 /* 98 * cannot set it twice, -b + --branch-filter for instance 99 */ 100 if (*mode) 101 return -1; 102 103 return parse_branch_str(str, mode); 104 } 105