From patchwork Mon Aug 4 16:17:15 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaldo Carvalho de Melo X-Patchwork-Id: 4671661 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E41E09F375 for ; Mon, 4 Aug 2014 16:26:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 156B520149 for ; Mon, 4 Aug 2014 16:26:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2071120142 for ; Mon, 4 Aug 2014 16:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752234AbaHDQSY (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 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 78E232012F; Mon, 4 Aug 2014 16:18:21 +0000 (UTC) Received: from zoo.ghostprotocols.net (unknown [179.235.153.97]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BEDA020142; Mon, 4 Aug 2014 16:18:17 +0000 (UTC) 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> X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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");