Messages in this thread Patch in this message | | | Date | Mon, 24 Oct 2016 12:02:50 -0700 | From | tip-bot for Andi Kleen <> | Subject | [tip:perf/core] perf pmu: Only print Using CPUID message once |
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Commit-ID: fb967063699e25ae73f0991672f99bd7104f70c8 Gitweb: http://git.kernel.org/tip/fb967063699e25ae73f0991672f99bd7104f70c8 Author: Andi Kleen <ak@linux.intel.com> AuthorDate: Thu, 13 Oct 2016 14:15:24 -0700 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Mon, 24 Oct 2016 11:07:41 -0300
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> --- tools/perf/util/pmu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index b1474dc..d7174f3 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) {
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