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perf lock: Limit bad rate precision 

Two decimal precision should be enough for this.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Aswin Chandramouleeswaran <aswin@hp.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1378693159-8747-7-git-send-email-davidlohr@hp.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Davidlohr Bueso 2013-09-08 19:19:18 -07:00 committed by Arnaldo Carvalho de Melo
parent 375eb2be55
commit 60a25cbc4a
1 changed files with 1 additions and 1 deletions
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2
tools/perf/builtin-lock.c
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@ -686,7 +686,7 @@ static void print_bad_events(int bad, int total)
pr_info("\n=== output for debug===\n\n");
pr_info("bad: %d, total: %d\n", bad, total);
pr_info("bad rate: %f %%\n", (double)bad / (double)total * 100);
pr_info("bad rate: %.2f %%\n", (double)bad / (double)total * 100);
pr_info("histogram of events caused bad sequence\n");
for (i = 0; i < BROKEN_MAX; i++)
pr_info(" %10s: %d\n", name[i], bad_hist[i]);