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perf stat: Adjust stall cycles warning percentages 

Adjust to color thresholds to better match the percentages seen in
real workloads. Both are now a bit more sensitive.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-7y40wib8n004io7hjpn1dsrm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2011-04-29 14:16:18 +02:00
parent d3d1e86da0
commit 2b427e14b7
1 changed files with 4 additions and 4 deletions
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8
tools/perf/builtin-stat.c
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@ -492,11 +492,11 @@ static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __us
ratio = avg / total * 100.0;
color = PERF_COLOR_NORMAL;
if (ratio > 75.0)
if (ratio > 50.0)
color = PERF_COLOR_RED;
else if (ratio > 50.0)
else if (ratio > 30.0)
color = PERF_COLOR_MAGENTA;
else if (ratio > 20.0)
else if (ratio > 10.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");
@ -519,7 +519,7 @@ static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __use
color = PERF_COLOR_RED;
else if (ratio > 50.0)
color = PERF_COLOR_MAGENTA;
else if (ratio > 25.0)
else if (ratio > 20.0)
color = PERF_COLOR_YELLOW;
fprintf(stderr, " # ");