diff options
Diffstat (limited to 'tools/perf/builtin-mem.c')
| -rw-r--r-- | tools/perf/builtin-mem.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index b3f8a89ede40..f1fa7b8d1f69 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -40,10 +40,11 @@ static int parse_record_events(const struct option *opt, for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { struct perf_mem_event *e = &perf_mem_events[j]; - fprintf(stderr, "%-20s%s", - e->tag, verbose ? "" : "\n"); - if (verbose) - fprintf(stderr, " [%s]\n", e->name); + fprintf(stderr, "%-13s%-*s%s\n", + e->tag, + verbose ? 25 : 0, + verbose ? e->name : "", + e->supported ? ": available" : ""); } exit(0); } @@ -92,6 +93,12 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) if (!perf_mem_events[j].record) continue; + if (!perf_mem_events[j].supported) { + pr_err("failed: event '%s' not supported\n", + perf_mem_events[j].name); + return -1; + } + rec_argv[i++] = "-e"; rec_argv[i++] = perf_mem_events[j].name; }; @@ -355,6 +362,11 @@ int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) NULL }; + if (perf_mem_events__init()) { + pr_err("failed: memory events not supported\n"); + return -1; + } + argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); |