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1// SPDX-License-Identifier: GPL-2.02#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_END41};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 98int99parse_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 instance108 */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}116