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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 AB8A0C10F14 for ; Thu, 3 Oct 2019 17:19:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D4C920830 for ; Thu, 3 Oct 2019 17:19:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570123190; bh=nrvU+TCofrQxh44dgJtqKNLuAH30NreF7C0BN1Tm5+k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Dv/iH85Ipt1FS098gBqyhYCIyWZ6akfPdGD6oe2xwCLbB6cPjaQhoF6BZrjwzp7Vs 07i72J+vCLpU30Dggeja0bCmH/dZuw2oPLJ6ddE7KZzLHPCf8TPVSQq4TEExnZTM6f gMbAKvUJL2uNbKlR4bx7dspPIx3WFFA2xLa0Nu4A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390823AbfJCRTt (ORCPT ); Thu, 3 Oct 2019 13:19:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:46408 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388457AbfJCQTY (ORCPT ); Thu, 3 Oct 2019 12:19:24 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1589220865; Thu, 3 Oct 2019 16:19:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119563; bh=nrvU+TCofrQxh44dgJtqKNLuAH30NreF7C0BN1Tm5+k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fZU869fvbZwslV3lxe/DrUSsOISH4kqIYiSzyBgYE7tgf9YsN3t0+b+cV//PzUW/5 FFHRISMwP5nL/H5lxIB2oWcXo9FOQ16iSW+FbyI7/EzbzQKJcasaBz5806AoOeAMGs cD22DbXpxVETKniJ8m9ymM1KaSD52I2PL9TO2MC8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tan Xiaojun , Jiri Olsa , Alexander Shishkin , Alexey Budankov , Kan Liang , Namhyung Kim , Peter Zijlstra , Song Liu , "Steven Rostedt (VMware)" , "Tzvetomir Stoyanov (VMware)" , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 4.19 074/211] perf record: Support aarch64 random socket_id assignment Date: Thu, 3 Oct 2019 17:52:20 +0200 Message-Id: <20191003154504.715208544@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154447.010950442@linuxfoundation.org> References: <20191003154447.010950442@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tan Xiaojun [ Upstream commit 0a4d8fb229dd78f9e0752817339e19e903b37a60 ] Same as in the commit 01766229533f ("perf record: Support s390 random socket_id assignment"), aarch64 also have this problem. Without this fix: [root@localhost perf]# ./perf report --header -I -v ... socket_id number is too big.You may need to upgrade the perf tool. # ======== # captured on : Thu Aug 1 22:58:38 2019 # header version : 1 ... # Core ID and Socket ID information is not available ... With this fix: [root@localhost perf]# ./perf report --header -I -v ... cpumask list: 0-31 cpumask list: 32-63 cpumask list: 64-95 cpumask list: 96-127 # ======== # captured on : Thu Aug 1 22:58:38 2019 # header version : 1 ... # CPU 0: Core ID 0, Socket ID 36 # CPU 1: Core ID 1, Socket ID 36 ... # CPU 126: Core ID 126, Socket ID 8442 # CPU 127: Core ID 127, Socket ID 8442 ... Signed-off-by: Tan Xiaojun Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Kan Liang Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Song Liu Cc: Steven Rostedt (VMware) Cc: Tzvetomir Stoyanov (VMware) Link: http://lkml.kernel.org/r/1564717737-21602-1-git-send-email-tanxiaojun@huawei.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/util/header.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 54c34c107cab5..0c70788593c8d 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2184,8 +2184,10 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused) /* On s390 the socket_id number is not related to the numbers of cpus. * The socket_id number might be higher than the numbers of cpus. * This depends on the configuration. + * AArch64 is the same. */ - if (ph->env.arch && !strncmp(ph->env.arch, "s390", 4)) + if (ph->env.arch && (!strncmp(ph->env.arch, "s390", 4) + || !strncmp(ph->env.arch, "aarch64", 7))) do_core_id_test = false; for (i = 0; i < (u32)cpu_nr; i++) { -- 2.20.1