diff options
| author | Andi Kleen <ak@linux.intel.com> | 2016-10-13 14:15:24 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-10-24 11:07:41 -0300 |
| commit | fb967063699e25ae73f0991672f99bd7104f70c8 (patch) | |
| tree | 6b27bc144c5c447605ebdea45c4efddddda10fb3 /tools/perf/util/pmu.c | |
| parent | b3151ea500655f232255ddcdf2bbcf691cb39646 (diff) | |
perf pmu: Only print Using CPUID message once
With uncore event aliases which are duplicated over multiple PMUs the
"Using CPUID" message with -v could be printed many times. Only print
it once.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1476393332-20732-3-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/pmu.c')
| -rw-r--r-- | tools/perf/util/pmu.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index b1474dcadfa2..d7174f340b53 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -504,6 +504,7 @@ static void pmu_add_cpu_aliases(struct list_head *head) struct pmu_events_map *map; struct pmu_event *pe; char *cpuid; + static bool printed; cpuid = getenv("PERF_CPUID"); if (cpuid) @@ -513,7 +514,10 @@ static void pmu_add_cpu_aliases(struct list_head *head) if (!cpuid) return; - pr_debug("Using CPUID %s\n", cpuid); + if (!printed) { + pr_debug("Using CPUID %s\n", cpuid); + printed = true; + } i = 0; while (1) { |