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
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),
29	BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP),
30	BRANCH_OPT("call", PERF_SAMPLE_BRANCH_CALL),
 
 
 
 
 
 
 
31	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}

  1// SPDX-License-Identifier: GPL-2.0
 
  2#include "util/debug.h"
  3#include "util/event.h"
  4#include <subcmd/parse-options.h>
  5#include "util/parse-branch-options.h"
  6#include <stdlib.h>
  7#include <string.h>
  8
  9#define BRANCH_OPT(n, m) \
 10	{ .name = n, .mode = (m) }
 11
 12#define BRANCH_END { .name = NULL }
 13
 14struct branch_mode {
 15	const char *name;
 16	int mode;
 17};
 18
 19static const struct branch_mode branch_modes[] = {
 20	BRANCH_OPT("u", PERF_SAMPLE_BRANCH_USER),
 21	BRANCH_OPT("k", PERF_SAMPLE_BRANCH_KERNEL),
 22	BRANCH_OPT("hv", PERF_SAMPLE_BRANCH_HV),
 23	BRANCH_OPT("any", PERF_SAMPLE_BRANCH_ANY),
 24	BRANCH_OPT("any_call", PERF_SAMPLE_BRANCH_ANY_CALL),
 25	BRANCH_OPT("any_ret", PERF_SAMPLE_BRANCH_ANY_RETURN),
 26	BRANCH_OPT("ind_call", PERF_SAMPLE_BRANCH_IND_CALL),
 27	BRANCH_OPT("abort_tx", PERF_SAMPLE_BRANCH_ABORT_TX),
 28	BRANCH_OPT("in_tx", PERF_SAMPLE_BRANCH_IN_TX),
 29	BRANCH_OPT("no_tx", PERF_SAMPLE_BRANCH_NO_TX),
 30	BRANCH_OPT("cond", PERF_SAMPLE_BRANCH_COND),
 31	BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP),
 32	BRANCH_OPT("call", PERF_SAMPLE_BRANCH_CALL),
 33	BRANCH_OPT("no_flags", PERF_SAMPLE_BRANCH_NO_FLAGS),
 34	BRANCH_OPT("no_cycles", PERF_SAMPLE_BRANCH_NO_CYCLES),
 35	BRANCH_OPT("save_type", PERF_SAMPLE_BRANCH_TYPE_SAVE),
 36	BRANCH_OPT("stack", PERF_SAMPLE_BRANCH_CALL_STACK),
 37	BRANCH_OPT("hw_index", PERF_SAMPLE_BRANCH_HW_INDEX),
 38	BRANCH_OPT("priv", PERF_SAMPLE_BRANCH_PRIV_SAVE),
 39	BRANCH_OPT("counter", PERF_SAMPLE_BRANCH_COUNTERS),
 40	BRANCH_END
 41};
 42
 43int parse_branch_str(const char *str, __u64 *mode)
 
 44{
 45#define ONLY_PLM \
 46	(PERF_SAMPLE_BRANCH_USER	|\
 47	 PERF_SAMPLE_BRANCH_KERNEL	|\
 48	 PERF_SAMPLE_BRANCH_HV)
 49
 50	int ret = 0;
 51	char *p, *s;
 52	char *os = NULL;
 53	const struct branch_mode *br;
 
 
 54
 55	if (str == NULL) {
 56		*mode = PERF_SAMPLE_BRANCH_ANY;
 57		return 0;
 58	}
 59
 60	/* because str is read-only */
 61	s = os = strdup(str);
 62	if (!s)
 
 63		return -1;
 64
 65	for (;;) {
 66		p = strchr(s, ',');
 67		if (p)
 68			*p = '\0';
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 69
 70		for (br = branch_modes; br->name; br++) {
 71			if (!strcasecmp(s, br->name))
 72				break;
 
 
 73		}
 74		if (!br->name) {
 75			ret = -1;
 76			pr_warning("unknown branch filter %s,"
 77				    " check man page\n", s);
 78			goto error;
 79		}
 80
 81		*mode |= br->mode;
 82
 83		if (!p)
 84			break;
 85
 86		s = p + 1;
 87	}
 
 88
 89	/* default to any branch */
 90	if ((*mode & ~ONLY_PLM) == 0) {
 91		*mode = PERF_SAMPLE_BRANCH_ANY;
 92	}
 93error:
 94	free(os);
 95	return ret;
 96}
 97
 98int
 99parse_branch_stack(const struct option *opt, const char *str, int unset)
100{
101	__u64 *mode = (__u64 *)opt->value;
102
103	if (unset)
104		return 0;
105
106	/*
107	 * cannot set it twice, -b + --branch-filter for instance
108	 */
109	if (*mode) {
110		pr_err("Error: Can't use --branch-any (-b) with --branch-filter (-j).\n");
111		return -1;
112	}
113
114	return parse_branch_str(str, mode);
115}