From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755172AbcETAKN (ORCPT ); Thu, 19 May 2016 20:10:13 -0400 Received: from mga01.intel.com ([192.55.52.88]:57191 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754737AbcETAKK (ORCPT ); Thu, 19 May 2016 20:10:10 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,336,1459839600"; d="scan'208";a="984956454" From: Andi Kleen To: acme@kernel.org Cc: peterz@infradead.org, jolsa@kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, Andi Kleen Subject: [PATCH 6/8] perf stat: Avoid fractional digits for integer scales Date: Thu, 19 May 2016 17:10:00 -0700 Message-Id: <1463703002-19686-7-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1463703002-19686-1-git-send-email-andi@firstfloor.org> References: <1463703002-19686-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen When the scaling factor is a full integer don't display fractional digits. This avoids unnecessary .00 output for topdown metrics with scale factors. v2: Remove redundant check. Signed-off-by: Andi Kleen --- tools/perf/builtin-stat.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 5645a8361de6..db84bfc0a478 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -66,6 +66,7 @@ #include #include #include +#include #define DEFAULT_SEPARATOR " " #define CNTR_NOT_SUPPORTED "" @@ -986,12 +987,12 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) const char *fmt; if (csv_output) { - fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; + fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; } else { if (big_num) - fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; + fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; else - fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; + fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; } aggr_printout(evsel, id, nr); -- 2.5.5