From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752588AbaHDQSY (ORCPT ); Mon, 4 Aug 2014 12:18:24 -0400 Received: from mail.kernel.org ([198.145.19.201]:38726 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751840AbaHDQSW (ORCPT ); Mon, 4 Aug 2014 12:18:22 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Christian Borntraeger , David Ahern , Jiri Olsa , Paolo Bonzini , kvm@vger.kernel.org, Arnaldo Carvalho de Melo Subject: [PATCH 04/33] perf kvm stat: Properly show submicrosecond times Date: Mon, 4 Aug 2014 13:17:15 -0300 Message-Id: <1407169064-25625-5-git-send-email-acme@kernel.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1407169064-25625-1-git-send-email-acme@kernel.org> References: <1407169064-25625-1-git-send-email-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christian Borntraeger For lots of exits the min time (and sometimes max) is 0 or 1. Lets increase the accurancy similar to what the average field alread does. Signed-off-by: Christian Borntraeger Acked-by: David Ahern Cc: David Ahern Cc: Jiri Olsa Cc: Paolo Bonzini Cc: kvm@vger.kernel.org Link: http://lkml.kernel.org/r/1406805231-10675-2-git-send-email-borntraeger@de.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-kvm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 43367eb00510..fe92dfdeab46 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -592,8 +592,8 @@ static void print_result(struct perf_kvm_stat *kvm) pr_info("%9s ", "Samples%"); pr_info("%9s ", "Time%"); - pr_info("%10s ", "Min Time"); - pr_info("%10s ", "Max Time"); + pr_info("%11s ", "Min Time"); + pr_info("%11s ", "Max Time"); pr_info("%16s ", "Avg time"); pr_info("\n\n"); @@ -610,8 +610,8 @@ static void print_result(struct perf_kvm_stat *kvm) pr_info("%10llu ", (unsigned long long)ecount); pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100); pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100); - pr_info("%8" PRIu64 "us ", min / 1000); - pr_info("%8" PRIu64 "us ", max / 1000); + pr_info("%9.2fus ", (double)min / 1e3); + pr_info("%9.2fus ", (double)max / 1e3); pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount/1e3, kvm_event_rel_stddev(vcpu, event)); pr_info("\n"); -- 1.9.3