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=-7.9 required=3.0 tests=DATE_IN_PAST_06_12, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 C08E0C169C4 for ; Tue, 12 Feb 2019 02:19:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E94E21B18 for ; Tue, 12 Feb 2019 02:19:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727879AbfBLCTW (ORCPT ); Mon, 11 Feb 2019 21:19:22 -0500 Received: from mga03.intel.com ([134.134.136.65]:25316 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727265AbfBLCTV (ORCPT ); Mon, 11 Feb 2019 21:19:21 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Feb 2019 18:19:21 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,361,1544515200"; d="scan'208";a="123748582" Received: from aubrey-skl.sh.intel.com ([10.239.53.19]) by fmsmga008.fm.intel.com with ESMTP; 11 Feb 2019 18:19:19 -0800 From: Aubrey Li To: tglx@linutronix.de, mingo@redhat.com, peterz@infradead.org, hpa@zytor.com Cc: ak@linux.intel.com, tim.c.chen@linux.intel.com, dave.hansen@intel.com, arjan@linux.intel.com, aubrey.li@intel.com, linux-kernel@vger.kernel.org, Aubrey Li Subject: [PATCH v9 1/3] /proc/pid/status: Add support for architecture specific output Date: Tue, 12 Feb 2019 02:59:29 +0800 Message-Id: <20190211185931.4386-1-aubrey.li@intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The architecture specific information of the running processes could be useful to the userland. Add support to examine process architecture specific information externally. Signed-off-by: Aubrey Li Cc: Peter Zijlstra Cc: Andi Kleen Cc: Tim Chen Cc: Dave Hansen Cc: Arjan van de Ven --- fs/proc/array.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/proc/array.c b/fs/proc/array.c index 0ceb3b6b37e7..d8cb5b5fd7bb 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -392,6 +392,10 @@ static inline void task_core_dumping(struct seq_file *m, struct mm_struct *mm) seq_putc(m, '\n'); } +void __weak arch_proc_pid_status(struct seq_file *m, struct task_struct *task) +{ +} + int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) { @@ -414,6 +418,7 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, task_cpus_allowed(m, task); cpuset_task_status_allowed(m, task); task_context_switch_counts(m, task); + arch_proc_pid_status(m, task); return 0; } -- 2.17.1