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,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 B3BEDC5DF62 for ; Wed, 6 Nov 2019 03:08:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 74D32217F4 for ; Wed, 6 Nov 2019 03:08:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="YcT0bydu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731117AbfKFDI6 (ORCPT ); Tue, 5 Nov 2019 22:08:58 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:33621 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731100AbfKFDIz (ORCPT ); Tue, 5 Nov 2019 22:08:55 -0500 Received: by mail-pl1-f194.google.com with SMTP id ay6so3739921plb.0 for ; Tue, 05 Nov 2019 19:08:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com; s=googlenew; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0nZYMsOi5mcRth8oOVQQZBR6zcPxsEPCmybPjjDUDBQ=; b=YcT0byduE/9KFd2MCNkG4yW3kh1PcJzeAFU0GWE5oVDfvDzJDyafRRqBK1srxH8Wju wzXk48QWXJIk0XhJPKeYH4PiSLdA6O+udWuaLt+rRwmUr12kA/1C4zTKnHKKkdmnzY0m fE2drf3Mhv9u209pIqj7go4+SbuwiE1LUEMvHPuMJHyP4u4ThjizTbKYVk6AlzJwpXLo OkmjuyU+7cw2SFwOHjTSL12JT9aM1HLqr/0NpOOYioeh2R0sWjnYV/azAeCBBnIcYwpi AyvmFV8Yedojjfz+xRh/9dMfRmg68o4vpEPzFsFvasL9hLoDMBIIeXySK7ntff76gQl2 Hg9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0nZYMsOi5mcRth8oOVQQZBR6zcPxsEPCmybPjjDUDBQ=; b=PQdTF+CIcaIZFh028Rtt4fw7gsESNlxI979/4aM9JSyYR+abm8ZsEaVc749SdP1O7X oTfT5zOG2l5XbqzwvcdcruVvvKHsGAYBA6/koXmNYIjID42toxMw+7c4/VuksBZXOBBH 9xauaYmSVuZhDCeN9m8ekl0Yo+VWwJXcaD2OSAyC+t6OdA+c0pRZcqSEWLorPXJSmrOI oWtdJQqUB21nGEiwjP8B7rGuy4bu8P7N9HTWjXwIxmkP6njBq+hT0GZLUZKaf0vR9v78 +qB/rLFy4JZdXcHYH124wfkUBWcPhY4FKf20xfuYnl5Jrbd2weQRZYN5Cl2GATz8nTFz 9SCg== X-Gm-Message-State: APjAAAXs60iP7eYiqFKd1WyI8oh9elakI5w16SR5GQY+yGRjNoXyRr8f DyKZ26/bM2J9bnqM++zPWNS48OMclh0= X-Google-Smtp-Source: APXvYqwKzVUbjez12V9LmSz50kP69UJh7Qv4UbK5y90D6KWEHaNDRr/hqyelGzSwMspfxfZeFUuPhA== X-Received: by 2002:a17:902:9688:: with SMTP id n8mr180345plp.206.1573009734290; Tue, 05 Nov 2019 19:08:54 -0800 (PST) Received: from Mindolluin.ire.aristanetworks.com ([217.173.96.166]) by smtp.gmail.com with ESMTPSA id k24sm19570487pgl.6.2019.11.05.19.08.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2019 19:08:52 -0800 (PST) From: Dmitry Safonov To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Dmitry Safonov , Andrew Morton , Greg Kroah-Hartman , Ingo Molnar , Jiri Slaby , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , Tetsuo Handa Subject: [PATCH 44/50] sysrq: Use show_stack_loglvl() Date: Wed, 6 Nov 2019 03:05:35 +0000 Message-Id: <20191106030542.868541-45-dima@arista.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191106030542.868541-1-dima@arista.com> References: <20191106030542.868541-1-dima@arista.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Show the stack trace on a CPU with the same log level as "CPU%d" header. Cc: Greg Kroah-Hartman Cc: Jiri Slaby Signed-off-by: Dmitry Safonov --- drivers/tty/sysrq.c | 2 +- include/linux/sched/debug.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 573b2055173c..fc5f84fa5347 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -220,7 +220,7 @@ static void showacpu(void *dummy) raw_spin_lock_irqsave(&show_lock, flags); pr_info("CPU%d:\n", smp_processor_id()); - show_stack(NULL, NULL); + show_stack_loglvl(NULL, NULL, KERN_INFO); raw_spin_unlock_irqrestore(&show_lock, flags); } diff --git a/include/linux/sched/debug.h b/include/linux/sched/debug.h index 95fb9e025247..373e4e3faf2a 100644 --- a/include/linux/sched/debug.h +++ b/include/linux/sched/debug.h @@ -31,6 +31,8 @@ extern void show_regs(struct pt_regs *); * trace (or NULL if the entire call-chain of the task should be shown). */ extern void show_stack(struct task_struct *task, unsigned long *sp); +extern void show_stack_loglvl(struct task_struct *task, unsigned long *sp, + const char *loglvl); extern void sched_show_task(struct task_struct *p); -- 2.23.0