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perf_counter tools: Display percents of hits in callchain with overhead colors

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This adds the use of colors to signal at a glance the important
overhead thresholds in callchains hit rates.

Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Anton Blanchard <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Frederic Weisbecker 2009-07-02 20:14:35 +02:00 • committed by Ingo Molnar
commit 24b57c6988
1 changed files with 3 additions and 2 deletions
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5
tools/perf/builtin-report.c
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@ -824,7 +824,7 @@ ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth,
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 @@ hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
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,