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Date: Mon, 24 Oct 2016 13:20:46 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Ingo Molnar <mingo@...nel.org> Cc: linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, Stephane Eranian <eranian@...gle.com>, Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: [PATCH 26/37] perf pmu: Only print Using CPUID message once From: Andi Kleen <ak@...ux.intel.com> 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@...ux.intel.com> Cc: Jiri Olsa <jolsa@...nel.org> Cc: Stephane Eranian <eranian@...gle.com> Cc: Sukadev Bhattiprolu <sukadev@...ux.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@...hat.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 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) { -- 2.7.4
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