diff options
Diffstat (limited to 'tools/perf/arch/x86')
-rw-r--r-- | tools/perf/arch/x86/util/pmu.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c index f428cffb0378..8b53ca468a50 100644 --- a/tools/perf/arch/x86/util/pmu.c +++ b/tools/perf/arch/x86/util/pmu.c @@ -17,15 +17,6 @@ #include "../../../util/pmus.h" #include "env.h" -struct pmu_alias { - char *name; - char *alias; - struct list_head list; -}; - -static LIST_HEAD(pmu_alias_name_list); -static bool cached_list; - struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused) { #ifdef HAVE_AUXTRACE_SUPPORT @@ -41,136 +32,6 @@ struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu __mayb return NULL; } -static void pmu_alias__delete(struct pmu_alias *pmu_alias) -{ - if (!pmu_alias) - return; - - zfree(&pmu_alias->name); - zfree(&pmu_alias->alias); - free(pmu_alias); -} - -static struct pmu_alias *pmu_alias__new(char *name, char *alias) -{ - struct pmu_alias *pmu_alias = zalloc(sizeof(*pmu_alias)); - - if (pmu_alias) { - pmu_alias->name = strdup(name); - if (!pmu_alias->name) - goto out_delete; - - pmu_alias->alias = strdup(alias); - if (!pmu_alias->alias) - goto out_delete; - } - return pmu_alias; - -out_delete: - pmu_alias__delete(pmu_alias); - return NULL; -} - -static int setup_pmu_alias_list(void) -{ - int fd, dirfd; - DIR *dir; - struct dirent *dent; - struct pmu_alias *pmu_alias; - char buf[MAX_PMU_NAME_LEN]; - FILE *file; - int ret = -ENOMEM; - - dirfd = perf_pmu__event_source_devices_fd(); - if (dirfd < 0) - return -1; - - dir = fdopendir(dirfd); - if (!dir) - return -errno; - - while ((dent = readdir(dir))) { - if (!strcmp(dent->d_name, ".") || - !strcmp(dent->d_name, "..")) - continue; - - fd = perf_pmu__pathname_fd(dirfd, dent->d_name, "alias", O_RDONLY); - if (fd < 0) - continue; - - file = fdopen(fd, "r"); - if (!file) - continue; - - if (!fgets(buf, sizeof(buf), file)) { - fclose(file); - continue; - } - - fclose(file); - - /* Remove the last '\n' */ - buf[strlen(buf) - 1] = 0; - - pmu_alias = pmu_alias__new(dent->d_name, buf); - if (!pmu_alias) - goto close_dir; - - list_add_tail(&pmu_alias->list, &pmu_alias_name_list); - } - - ret = 0; - -close_dir: - closedir(dir); - return ret; -} - -static const char *__pmu_find_real_name(const char *name) -{ - struct pmu_alias *pmu_alias; - - list_for_each_entry(pmu_alias, &pmu_alias_name_list, list) { - if (!strcmp(name, pmu_alias->alias)) - return pmu_alias->name; - } - - return name; -} - -const char *pmu_find_real_name(const char *name) -{ - if (cached_list) - return __pmu_find_real_name(name); - - setup_pmu_alias_list(); - cached_list = true; - - return __pmu_find_real_name(name); -} - -static const char *__pmu_find_alias_name(const char *name) -{ - struct pmu_alias *pmu_alias; - - list_for_each_entry(pmu_alias, &pmu_alias_name_list, list) { - if (!strcmp(name, pmu_alias->name)) - return pmu_alias->alias; - } - return NULL; -} - -const char *pmu_find_alias_name(const char *name) -{ - if (cached_list) - return __pmu_find_alias_name(name); - - setup_pmu_alias_list(); - cached_list = true; - - return __pmu_find_alias_name(name); -} - int perf_pmus__num_mem_pmus(void) { /* AMD uses IBS OP pmu and not a core PMU for perf mem/c2c */ |