lkml.org 
[lkml]   [2016]   [Oct]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 02/10] perf, tools: Only print Using CPUID message once
Date
From: Andi Kleen <ak@linux.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@linux.intel.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 9adae7e7477c..b36bf9e77799 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -508,6 +508,7 @@ 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)
@@ -517,7 +518,10 @@ 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) {
--
2.5.5
\
 
 \ /
  Last update: 2016-10-13 23:18    [W:0.149 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site