From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BE94C433E0 for ; Thu, 9 Jul 2020 17:37:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7CC802085B for ; Thu, 9 Jul 2020 17:37:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728535AbgGIRhb (ORCPT ); Thu, 9 Jul 2020 13:37:31 -0400 Received: from mga09.intel.com ([134.134.136.24]:35052 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728485AbgGIRh1 (ORCPT ); Thu, 9 Jul 2020 13:37:27 -0400 IronPort-SDR: TKl9PNqxJhl4TRfpgA/4PZ6p1mLKhAUght9d5FQi4aH8z546HlDF65L3UgJf4SrVDqm7JA1UWp lOZbldc4ueLg== X-IronPort-AV: E=McAfee;i="6000,8403,9677"; a="149537125" X-IronPort-AV: E=Sophos;i="5.75,332,1589266800"; d="scan'208";a="149537125" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2020 10:37:27 -0700 IronPort-SDR: EALHoU8sNmtjqo6TRgSnsXDJDA6Syl7Xjfz8/JK5hPX652mjThliY+ftLCdOYURQ6NcS+N74dM rjiLoA6MYf1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,332,1589266800"; d="scan'208";a="324292546" Received: from ahunter-desktop.fi.intel.com ([10.237.72.73]) by orsmga007.jf.intel.com with ESMTP; 09 Jul 2020 10:37:25 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Andi Kleen , linux-kernel@vger.kernel.org Subject: [PATCH 09/11] perf auxtrace: Add itrace 'q' option for quicker, less detailed decoding Date: Thu, 9 Jul 2020 20:36:26 +0300 Message-Id: <20200709173628.5613-10-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200709173628.5613-1-adrian.hunter@intel.com> References: <20200709173628.5613-1-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The 'q' option is for modes of decoding that are quicker because they skip or omit decoding some aspects of trace data. If supported, the 'q' option may be repeated to increase the effect. Signed-off-by: Adrian Hunter --- tools/perf/Documentation/itrace.txt | 3 +++ tools/perf/util/auxtrace.c | 3 +++ tools/perf/util/auxtrace.h | 2 ++ 3 files changed, 8 insertions(+) diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index 3dd8fddb8b1b..d4ffa11b9d50 100644 --- a/tools/perf/Documentation/itrace.txt +++ b/tools/perf/Documentation/itrace.txt @@ -18,6 +18,7 @@ l synthesize last branch entries (use with i or x) L synthesize last branch entries on existing event records s skip initial number of events + q quicker (less detailed) decoding The default is all events i.e. the same as --itrace=ibxwpe, except for perf script where it is --itrace=ce @@ -53,3 +54,5 @@ If supported, The 'd' option may be followed by an architecture-specific number which flags what kind of debug messages will or will not be logged. + + If supported, the 'q' option may be repeated to increase the effect. diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 3f806c2881c9..81726c014237 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1511,6 +1511,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str, case 'a': synth_opts->remote_access = true; break; + case 'q': + synth_opts->quick += 1; + break; case ' ': case ',': break; diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index f41dbdc98175..d3b5520fa992 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -93,6 +93,7 @@ enum itrace_period_type { * @range_num: number of time intervals to trace * @error_flags: arch-specific flags to affect what errors are reported * @log_flags: arch-specific flags to affect what is logged + * @quick: quicker (less detailed) decoding */ struct itrace_synth_opts { bool set; @@ -128,6 +129,7 @@ struct itrace_synth_opts { int range_num; unsigned int error_flags; unsigned int log_flags; + unsigned int quick; }; /** -- 2.25.1