From patchwork Tue Sep 22 03:13:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Li X-Patchwork-Id: 11791459 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A83076CA for ; Tue, 22 Sep 2020 03:16:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7A4A823A32 for ; Tue, 22 Sep 2020 03:16:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="h/z3e38E" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A4A823A32 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=QHe88+6Bb5ixMgwc32DBLBzwq9cSVZJYsmE8+By/VYw=; b=h/z3e38EzrSZCpOXXt0wm6RcRD DilHz9J5QtplMgqf4goczhZYkGaF1QtKEf/LL4mH5+WKOYM8hMsdQux0+6e2KV5iLsWmg54w0IgMR BOWi6FhydJzIq6aDbNwfEVvJJSYxxv64gT4GpkbNSOFvBmtiQJu4pP1wSuqSBnLcVPXPXo3Es4oqI gv4lEucqZerhtxzkoKBjW7SqMVjW/rdc5bVaii9y9Eq3I2OYzsqgeQ5PIX6CyUOJ6sw8mDZNUMJyj jXewiJCKU7EWplIp+0uGKt+KpUPtRNuF3U1+PrqdthIGnDmZeB+DZ8j4eSIRfHAeBfBdlQs+XG0Ga hlnuxAgQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKYlM-0006Kk-Kc; Tue, 22 Sep 2020 03:14:40 +0000 Received: from szxga07-in.huawei.com ([45.249.212.35] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKYlJ-0006Il-1a for linux-arm-kernel@lists.infradead.org; Tue, 22 Sep 2020 03:14:38 +0000 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 87DC96CE8889B44836E5; Tue, 22 Sep 2020 11:14:26 +0800 (CST) Received: from euler.huawei.com (10.175.124.27) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Tue, 22 Sep 2020 11:14:19 +0800 From: Wei Li To: Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , "Namhyung Kim" , Andi Kleen , Alexey Budankov , Adrian Hunter Subject: [PATCH 0/2] perf stat: Unbreak perf stat with ARMv8 PMU events Date: Tue, 22 Sep 2020 11:13:44 +0800 Message-ID: <20200922031346.15051-1-liwei391@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200921_231437_338394_8FC97B9E X-CRM114-Status: UNSURE ( 7.51 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [45.249.212.35 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [45.249.212.35 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , huawei.libin@huawei.com, Ingo Molnar , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Currently, perf-stat with armv8_pmu events with a workload is broken. This patch set just fixes that. Before the patch set: [root@localhost hulk]# tools/perf/perf stat -e armv8_pmuv3_0/ll_cache_rd/,armv8_pmuv3_0/ll_cache_miss_rd/ ls > /dev/null Segmentation fault After the patch set: [root@localhost hulk]# tools/perf/perf stat -e armv8_pmuv3_0/ll_cache_rd/,armv8_pmuv3_0/ll_cache_miss_rd/ ls > /dev/null Performance counter stats for 'ls': 39,882 armv8_pmuv3_0/ll_cache_rd/ 9,639 armv8_pmuv3_0/ll_cache_miss_rd/ 0.001416690 seconds time elapsed 0.001469000 seconds user 0.000000000 seconds sys Wei Li (2): perf stat: Fix segfault when counting armv8 PMU events perf stat: Unbreak perf stat with armv8 PMU events tools/lib/perf/include/internal/evlist.h | 1 + tools/perf/builtin-stat.c | 37 ++++++++++++++++-------- tools/perf/util/evlist.c | 23 ++++++++++++++- 3 files changed, 48 insertions(+), 13 deletions(-)