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Date: Thu, 29 Sep 2011 19:48:03 -0300 From: Arnaldo Carvalho de Melo <acme@...radead.org> To: Ingo Molnar <mingo@...e.hu> Cc: linux-kernel@...r.kernel.org, Jim Cromie <jim.cromie@...il.com>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: [PATCH 09/16] perf stat: Suppress printing std-dev when its 0 From: Jim Cromie <jim.cromie@...il.com> For pretty output only (preserve column for cvs output), dont print std-deviation when its 0.00. Do this based upon value, instead of checking for --no-aggr, since the stats could conceivably be computed over the runs on each CPU, and theres no reason to preclude that. Link: http://lkml.kernel.org/r/1315437244-3788-4-git-send-email-jim.cromie@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> Signed-off-by: Jim Cromie <jim.cromie@...il.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- tools/perf/builtin-stat.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index af0d65b..076eda5 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -528,7 +528,7 @@ static void print_noise_pct(double total, double avg) if (csv_output) fprintf(output, "%s%.2f%%", csv_sep, pct); - else + else if (pct) fprintf(output, " ( +-%6.2f%% )", pct); } -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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