diff options
Diffstat (limited to 'tools/perf/builtin-stat.c')
| -rw-r--r-- | tools/perf/builtin-stat.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index ef067c193f93..1c2ac148a7d5 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -247,6 +247,7 @@ static int read_counter(struct perf_evsel *counter) static int __run_perf_stat(int argc __maybe_unused, const char **argv) { + char msg[512]; unsigned long long t0, t1; struct perf_evsel *counter; int status = 0; @@ -324,20 +325,13 @@ static int __run_perf_stat(int argc __maybe_unused, const char **argv) continue; } - if (errno == EPERM || errno == EACCES) { - error("You may not have permission to collect %sstats.\n" - "\t Consider tweaking" - " /proc/sys/kernel/perf_event_paranoid or running as root.", - target.system_wide ? "system-wide " : ""); - } else { - error("open_counter returned with %d (%s). " - "/bin/dmesg may provide additional information.\n", - errno, strerror(errno)); - } + perf_evsel__open_strerror(counter, &target, + errno, msg, sizeof(msg)); + ui__error("%s\n", msg); + if (child_pid != -1) kill(child_pid, SIGTERM); - pr_err("Not all events could be opened.\n"); return -1; } counter->supported = true; |