From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755844Ab3KAJ3c (ORCPT ); Fri, 1 Nov 2013 05:29:32 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:38152 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755800Ab3KAJ3a (ORCPT ); Fri, 1 Nov 2013 05:29:30 -0400 From: Chenggang Qin To: linux-kernel@vger.kernel.org Cc: Chenggang Qin , David Ahern , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Arjan van de Ven , Namhyung Kim , Yanmin Zhang , Wu Fengguang , Mike Galbraith , Andrew Morton , Chenggang Qin Subject: [PATCH 1/4] perf report: add parameter 'start' & 'end' to perf report Date: Fri, 1 Nov 2013 17:29:03 +0800 Message-Id: <1383298146-3860-2-git-send-email-chenggang.qin@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1383298146-3860-1-git-send-email-chenggang.qin@gmail.com> References: <1383298146-3860-1-git-send-email-chenggang.qin@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org perf report --start time1 --end time2 The unit of time1 & time2 are millsecond. Cc: David Ahern Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Arjan van de Ven Cc: Namhyung Kim Cc: Yanmin Zhang Cc: Wu Fengguang Cc: Mike Galbraith Cc: Andrew Morton Signed-off-by: Chenggang Qin --- tools/perf/builtin-report.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 72eae74..e9e9d0a 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -733,6 +733,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) { struct perf_session *session; struct stat st; + u64 tstart = 0, tend = 0; bool has_br_stack = false; int branch_mode = -1; int ret = -1; @@ -843,6 +844,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), OPT_CALLBACK(0, "percent-limit", &report, "percent", "Don't show entries under that percent", parse_percent_limit), + OPT_U64(0, "start", &tstart, "Start time of analysis interval. (Unit: ms)"), + OPT_U64(0, "end", &tend, "End time of analysis interval. (Unit: ms)"), OPT_END() }; @@ -850,6 +853,12 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) argc = parse_options(argc, argv, options, report_usage, 0); + if (tend && tstart >= tend) { + fprintf(stderr, "start [%" PRIu64 "] is greater than end [%" + PRIu64 "].\n", tstart, tend); + return -1; + } + if (report.use_stdio) use_browser = 0; else if (report.use_tui) -- 1.7.8.rc2.5.g815b