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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 50042C433ED for ; Thu, 20 May 2021 07:02:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2581A6135A for ; Thu, 20 May 2021 07:02:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231124AbhETHDl (ORCPT ); Thu, 20 May 2021 03:03:41 -0400 Received: from mga05.intel.com ([192.55.52.43]:53040 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230460AbhETHDi (ORCPT ); Thu, 20 May 2021 03:03:38 -0400 IronPort-SDR: pO24zgEBxdNL/xg/o7dmURGISaU9tOlYKkh4IOFQZ42kjyf7IF7g+BWJlHTuL024qD/WC4M67D z0cQjx2QDo0w== X-IronPort-AV: E=McAfee;i="6200,9189,9989"; a="286691074" X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="286691074" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2021 00:02:17 -0700 IronPort-SDR: gJ18iSheBGtxdrVlC0gqsqOle0u4CpiiIB50yMdhowyIB3fkAOqLNz0bcW7eWgLGQoFu1Vhb2n LQ61Dd6oNnlQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="543206925" Received: from kbl-ppc.sh.intel.com ([10.239.159.163]) by fmsmga001.fm.intel.com with ESMTP; 20 May 2021 00:02:15 -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 v1 5/5] perf c2c: Support record for hybrid platform Date: Thu, 20 May 2021 15:00:40 +0800 Message-Id: <20210520070040.710-6-yao.jin@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210520070040.710-1-yao.jin@linux.intel.com> References: <20210520070040.710-1-yao.jin@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Support 'perf c2c record' for hybrid platform. On hybrid platform, such as Alderlake, when executing 'perf c2c record', it actually calls: record -W -d --phys-data --sample-cpu -e {cpu_core/mem-loads-aux/,cpu_core/mem-loads,ldlat=30/}:P -e cpu_atom/mem-loads,ldlat=30/P -e cpu_core/mem-stores/P -e cpu_atom/mem-stores/P Signed-off-by: Jin Yao --- tools/perf/builtin-c2c.c | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index a4fd375acdd1..70804ad9017a 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2907,8 +2907,9 @@ static const char * const *record_mem_usage = __usage_record; static int perf_c2c__record(int argc, const char **argv) { - int rec_argc, i = 0, j; + int rec_argc, i = 0, j, rec_nr = 0; const char **rec_argv; + char **rec_tmp; int ret; bool all_user = false, all_kernel = false; bool event_set = false; @@ -2932,11 +2933,17 @@ static int perf_c2c__record(int argc, const char **argv) argc = parse_options(argc, argv, options, record_mem_usage, PARSE_OPT_KEEP_UNKNOWN); - rec_argc = argc + 11; /* max number of arguments */ + rec_argc = argc + 64; /* max number of arguments */ rec_argv = calloc(rec_argc + 1, sizeof(char *)); if (!rec_argv) return -1; + rec_tmp = calloc(rec_argc + 1, sizeof(char *)); + if (!rec_tmp) { + free(rec_argv); + return -1; + } + rec_argv[i++] = "record"; if (!event_set) { @@ -2964,21 +2971,9 @@ static int perf_c2c__record(int argc, const char **argv) rec_argv[i++] = "--phys-data"; rec_argv[i++] = "--sample-cpu"; - for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { - e = perf_mem_events__ptr(j); - if (!e->record) - continue; - - if (!e->supported) { - pr_err("failed: event '%s' not supported\n", - perf_mem_events__name(j, NULL)); - free(rec_argv); - return -1; - } - - rec_argv[i++] = "-e"; - rec_argv[i++] = perf_mem_events__name(j, NULL); - } + ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &rec_nr); + if (ret) + goto out; if (all_user) rec_argv[i++] = "--all-user"; @@ -3002,6 +2997,13 @@ static int perf_c2c__record(int argc, const char **argv) } ret = cmd_record(i, rec_argv); +out: + for (i = 0; i < rec_nr; i++) { + if (rec_tmp[i]) + free(rec_tmp[i]); + } + + free(rec_tmp); free(rec_argv); return ret; } -- 2.17.1