perf_counter tools: Display percents of hits in callchain with overhead colors
This adds the use of colors to signal at a glance the important
overhead thresholds in callchains hit rates.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1246558475-10624-3-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index c9dbe33..283773d 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -824,7 +824,7 @@
double percent;
percent = hits * 100.0 / total_samples;
- ret += fprintf(fp, "--%2.2f%%-- ", percent);
+ ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
} else
ret += fprintf(fp, "%s", " ");
}
@@ -924,7 +924,8 @@
chain = rb_entry(rb_node, struct callchain_node, rb_node);
percent = chain->hit * 100.0 / total_samples;
if (callchain_mode == FLAT) {
- ret += fprintf(fp, " %6.2f%%\n", percent);
+ ret += percent_color_fprintf(fp, " %6.2f%%\n",
+ percent);
ret += callchain__fprintf_flat(fp, chain, total_samples);
} else if (callchain_mode == GRAPH) {
ret += callchain__fprintf_graph(fp, chain,