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("save_type", PERF_SAMPLE_BRANCH_TYPE_SAVE),
 34	BRANCH_OPT("stack", PERF_SAMPLE_BRANCH_CALL_STACK),
 
 
 
 35	BRANCH_END
 36};
 37
 38int parse_branch_str(const char *str, __u64 *mode)
 39{
 40#define ONLY_PLM \
 41	(PERF_SAMPLE_BRANCH_USER	|\
 42	 PERF_SAMPLE_BRANCH_KERNEL	|\
 43	 PERF_SAMPLE_BRANCH_HV)
 44
 45	int ret = 0;
 46	char *p, *s;
 47	char *os = NULL;
 48	const struct branch_mode *br;
 49
 50	if (str == NULL) {
 51		*mode = PERF_SAMPLE_BRANCH_ANY;
 52		return 0;
 53	}
 54
 55	/* because str is read-only */
 56	s = os = strdup(str);
 57	if (!s)
 58		return -1;
 59
 60	for (;;) {
 61		p = strchr(s, ',');
 62		if (p)
 63			*p = '\0';
 64
 65		for (br = branch_modes; br->name; br++) {
 66			if (!strcasecmp(s, br->name))
 67				break;
 68		}
 69		if (!br->name) {
 70			ret = -1;
 71			pr_warning("unknown branch filter %s,"
 72				    " check man page\n", s);
 73			goto error;
 74		}
 75
 76		*mode |= br->mode;
 77
 78		if (!p)
 79			break;
 80
 81		s = p + 1;
 82	}
 83
 84	/* default to any branch */
 85	if ((*mode & ~ONLY_PLM) == 0) {
 86		*mode = PERF_SAMPLE_BRANCH_ANY;
 87	}
 88error:
 89	free(os);
 90	return ret;
 91}
 92
 93int
 94parse_branch_stack(const struct option *opt, const char *str, int unset)
 95{
 96	__u64 *mode = (__u64 *)opt->value;
 97
 98	if (unset)
 99		return 0;
100
101	/*
102	 * cannot set it twice, -b + --branch-filter for instance
103	 */
104	if (*mode)
 
105		return -1;
 
106
107	return parse_branch_str(str, mode);
108}

  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}