blob: afc088dd7d20948929aa087661f13f913b850b97 [file] [log] [blame]
Andi Kleenf00898f2015-05-27 10:51:51 -07001#include "perf.h"
2#include "util/util.h"
3#include "util/debug.h"
Josh Poimboeuf4b6ab942015-12-15 09:39:39 -06004#include <subcmd/parse-options.h>
Andi Kleenf00898f2015-05-27 10:51:51 -07005#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
12struct branch_mode {
13 const char *name;
14 int mode;
15};
16
17static 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),
Stephane Eranian5b681642015-05-14 23:10:00 +020029 BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP),
Stephane Eranian43e41ad2015-10-13 09:09:11 +020030 BRANCH_OPT("call", PERF_SAMPLE_BRANCH_CALL),
Andi Kleenf00898f2015-05-27 10:51:51 -070031 BRANCH_END
32};
33
34int
35parse_branch_stack(const struct option *opt, const char *str, int unset)
36{
37#define ONLY_PLM \
38 (PERF_SAMPLE_BRANCH_USER |\
39 PERF_SAMPLE_BRANCH_KERNEL |\
40 PERF_SAMPLE_BRANCH_HV)
41
42 uint64_t *mode = (uint64_t *)opt->value;
43 const struct branch_mode *br;
44 char *s, *os = NULL, *p;
45 int ret = -1;
46
47 if (unset)
48 return 0;
49
50 /*
51 * cannot set it twice, -b + --branch-filter for instance
52 */
53 if (*mode)
54 return -1;
55
56 /* str may be NULL in case no arg is passed to -b */
57 if (str) {
58 /* because str is read-only */
59 s = os = strdup(str);
60 if (!s)
61 return -1;
62
63 for (;;) {
64 p = strchr(s, ',');
65 if (p)
66 *p = '\0';
67
68 for (br = branch_modes; br->name; br++) {
69 if (!strcasecmp(s, br->name))
70 break;
71 }
72 if (!br->name) {
73 ui__warning("unknown branch filter %s,"
74 " check man page\n", s);
75 goto error;
76 }
77
78 *mode |= br->mode;
79
80 if (!p)
81 break;
82
83 s = p + 1;
84 }
85 }
86 ret = 0;
87
88 /* default to any branch */
89 if ((*mode & ~ONLY_PLM) == 0) {
90 *mode = PERF_SAMPLE_BRANCH_ANY;
91 }
92error:
93 free(os);
94 return ret;
95}