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f00898f4 AK |
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), | |
5b68164d | 29 | BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP), |
f00898f4 AK |
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 | } |