diff options
Diffstat (limited to 'tools/perf/util/util.c')
| -rw-r--r-- | tools/perf/util/util.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index b7766c577b01..23504ad5d6dd 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -33,6 +33,9 @@ struct callchain_param callchain_param = { unsigned int page_size; int cacheline_size; +int sysctl_perf_event_max_stack = PERF_MAX_STACK_DEPTH; +int sysctl_perf_event_max_contexts_per_stack = PERF_MAX_CONTEXTS_PER_STACK; + bool test_attr__enabled; bool perf_host = true; @@ -117,6 +120,40 @@ int rm_rf(char *path) return rmdir(path); } +/* A filter which removes dot files */ +bool lsdir_no_dot_filter(const char *name __maybe_unused, struct dirent *d) +{ + return d->d_name[0] != '.'; +} + +/* lsdir reads a directory and store it in strlist */ +struct strlist *lsdir(const char *name, + bool (*filter)(const char *, struct dirent *)) +{ + struct strlist *list = NULL; + DIR *dir; + struct dirent *d; + + dir = opendir(name); + if (!dir) + return NULL; + + list = strlist__new(NULL, NULL); + if (!list) { + errno = ENOMEM; + goto out; + } + + while ((d = readdir(dir)) != NULL) { + if (!filter || filter(name, d)) + strlist__add(list, d->d_name); + } + +out: + closedir(dir); + return list; +} + static int slow_copyfile(const char *from, const char *to) { int err = -1; @@ -471,7 +508,6 @@ int parse_callchain_record(const char *arg, struct callchain_param *param) "needed for --call-graph fp\n"); break; -#ifdef HAVE_DWARF_UNWIND_SUPPORT /* Dwarf style */ } else if (!strncmp(name, "dwarf", sizeof("dwarf"))) { const unsigned long default_stack_dump_size = 8192; @@ -487,7 +523,6 @@ int parse_callchain_record(const char *arg, struct callchain_param *param) ret = get_stack_size(tok, &size); param->dump_size = size; } -#endif /* HAVE_DWARF_UNWIND_SUPPORT */ } else if (!strncmp(name, "lbr", sizeof("lbr"))) { if (!strtok_r(NULL, ",", &saveptr)) { param->record_mode = CALLCHAIN_LBR; |