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Commit 2b427e14 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

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: default avatarIngo Molnar <mingo@elte.hu>
parent d3d1e86d

tools/perf/builtin-stat.c

+4 −4
Original line number Diff line number Diff line
@@ -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, " #   ");