diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 838481505e08..3bcb903b6b38 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -3245,9 +3245,8 @@ static const char * const *record_mem_usage = __usage_record; static int perf_c2c__record(int argc, const char **argv) { - int rec_argc, i = 0, j, rec_tmp_nr = 0; + int rec_argc, i = 0, j; const char **rec_argv; - char **rec_tmp; int ret; bool all_user = false, all_kernel = false; bool event_set = false; @@ -3285,12 +3284,6 @@ static int perf_c2c__record(int argc, const char **argv) if (!rec_argv) return -1; - rec_tmp = calloc(rec_argc + 1, sizeof(char *)); - if (!rec_tmp) { - free(rec_argv); - return -1; - } - rec_argv[i++] = "record"; if (!event_set) { @@ -3319,7 +3312,7 @@ static int perf_c2c__record(int argc, const char **argv) rec_argv[i++] = "--phys-data"; rec_argv[i++] = "--sample-cpu"; - ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &rec_tmp_nr); + ret = perf_mem_events__record_args(rec_argv, &i); if (ret) goto out; @@ -3346,10 +3339,6 @@ static int perf_c2c__record(int argc, const char **argv) ret = cmd_record(i, rec_argv); out: - for (i = 0; i < rec_tmp_nr; i++) - free(rec_tmp[i]); - - free(rec_tmp); free(rec_argv); return ret; } diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index ef64bae77ca7..1d92e309c97c 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -72,10 +72,9 @@ static const char * const *record_mem_usage = __usage; static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) { - int rec_argc, i = 0, j, tmp_nr = 0; + int rec_argc, i = 0, j; int start, end; const char **rec_argv; - char **rec_tmp; int ret; bool all_user = false, all_kernel = false; struct perf_mem_event *e; @@ -116,15 +115,6 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) if (!rec_argv) return -1; - /* - * Save the allocated event name strings. - */ - rec_tmp = calloc(rec_argc + 1, sizeof(char *)); - if (!rec_tmp) { - free(rec_argv); - return -1; - } - rec_argv[i++] = "record"; e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD_STORE); @@ -163,7 +153,7 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) rec_argv[i++] = "--data-page-size"; start = i; - ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &tmp_nr); + ret = perf_mem_events__record_args(rec_argv, &i); if (ret) goto out; end = i; @@ -193,10 +183,6 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) ret = cmd_record(i, rec_argv); out: - for (i = 0; i < tmp_nr; i++) - free(rec_tmp[i]); - - free(rec_tmp); free(rec_argv); return ret; } diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 7d7df3d0b2b9..a20611b4fb1b 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -218,14 +218,14 @@ void perf_pmu__mem_events_list(struct perf_pmu *pmu) } } -int perf_mem_events__record_args(const char **rec_argv, int *argv_nr, - char **rec_tmp, int *tmp_nr) +int perf_mem_events__record_args(const char **rec_argv, int *argv_nr) { const char *mnt = sysfs__mount(); struct perf_pmu *pmu = NULL; - int i = *argv_nr, k = 0; struct perf_mem_event *e; - + int i = *argv_nr; + const char *s; + char *copy; while ((pmu = perf_pmus__scan_mem(pmu)) != NULL) { for (int j = 0; j < PERF_MEM_EVENTS__MAX; j++) { @@ -240,30 +240,20 @@ int perf_mem_events__record_args(const char **rec_argv, int *argv_nr, return -1; } - if (perf_pmus__num_mem_pmus() == 1) { - rec_argv[i++] = "-e"; - rec_argv[i++] = perf_pmu__mem_events_name(j, pmu); - } else { - const char *s = perf_pmu__mem_events_name(j, pmu); + s = perf_pmu__mem_events_name(j, pmu); + if (!s || !perf_pmu__mem_events_supported(mnt, pmu, e)) + continue; - if (!perf_pmu__mem_events_supported(mnt, pmu, e)) - continue; + copy = strdup(s); + if (!copy) + return -1; - rec_argv[i++] = "-e"; - if (s) { - char *copy = strdup(s); - if (!copy) - return -1; - - rec_argv[i++] = copy; - rec_tmp[k++] = copy; - } - } + rec_argv[i++] = "-e"; + rec_argv[i++] = copy; } } *argv_nr = i; - *tmp_nr = k; return 0; } diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index f817a507b106..c97cd3caa766 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -46,8 +46,7 @@ struct perf_pmu *perf_mem_events_find_pmu(void); bool is_mem_loads_aux_event(struct evsel *leader); void perf_pmu__mem_events_list(struct perf_pmu *pmu); -int perf_mem_events__record_args(const char **rec_argv, int *argv_nr, - char **rec_tmp, int *tmp_nr); +int perf_mem_events__record_args(const char **rec_argv, int *argv_nr); int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info); int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);