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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 C1178C433ED for ; Fri, 16 Apr 2021 14:08:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FF0A610F7 for ; Fri, 16 Apr 2021 14:08:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244324AbhDPOIe (ORCPT ); Fri, 16 Apr 2021 10:08:34 -0400 Received: from mga11.intel.com ([192.55.52.93]:23086 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241911AbhDPOHd (ORCPT ); Fri, 16 Apr 2021 10:07:33 -0400 IronPort-SDR: RguX0Q6x0qMK/oZnGv6YCuW1EPQVaeuEpqJLpBHFKgK5G/IRn3p+4CFDNV60I/xOs+V0BymRF9 ZUlL0jTi6OZw== X-IronPort-AV: E=McAfee;i="6200,9189,9956"; a="191854363" X-IronPort-AV: E=Sophos;i="5.82,226,1613462400"; d="scan'208";a="191854363" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2021 07:07:09 -0700 IronPort-SDR: h8z3Qmug4moNMleLlc2UO7ltWGZ0DyWaavEEtVjqxpS155MPeP9LK8iZBnOrCmV9SpXj3Cl4sW CX15ykpMKyew== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,226,1613462400"; d="scan'208";a="612766862" Received: from kbl-ppc.sh.intel.com ([10.239.159.163]) by fmsmga006.fm.intel.com with ESMTP; 16 Apr 2021 07:07:04 -0700 From: Jin Yao To: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com, Jin Yao Subject: [PATCH v4 17/25] perf record: Uniquify hybrid event name Date: Fri, 16 Apr 2021 22:05:09 +0800 Message-Id: <20210416140517.18206-18-yao.jin@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210416140517.18206-1-yao.jin@linux.intel.com> References: <20210416140517.18206-1-yao.jin@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For perf-record, it would be useful to tell user the pmu which the event belongs to. For example, # perf record -a -- sleep 1 # perf report # To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 106 of event 'cpu_core/cycles/' # Event count (approx.): 22043448 # # Overhead Command Shared Object Symbol # ........ ............ ....................... ............................ # ... Signed-off-by: Jin Yao --- v4: - No change. tools/perf/builtin-record.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 6af46c6a4fd8..3337b5f93336 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1605,6 +1605,32 @@ static void hit_auxtrace_snapshot_trigger(struct record *rec) } } +static void record__uniquify_name(struct record *rec) +{ + struct evsel *pos; + struct evlist *evlist = rec->evlist; + char *new_name; + int ret; + + if (!perf_pmu__has_hybrid()) + return; + + evlist__for_each_entry(evlist, pos) { + if (!evsel__is_hybrid(pos)) + continue; + + if (strchr(pos->name, '/')) + continue; + + ret = asprintf(&new_name, "%s/%s/", + pos->pmu_name, pos->name); + if (ret) { + free(pos->name); + pos->name = new_name; + } + } +} + static int __cmd_record(struct record *rec, int argc, const char **argv) { int err; @@ -1709,6 +1735,8 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (data->is_pipe && rec->evlist->core.nr_entries == 1) rec->opts.sample_id = true; + record__uniquify_name(rec); + if (record__open(rec) != 0) { err = -1; goto out_child; -- 2.17.1