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=-9.9 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,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 9C05CC18E5B for ; Mon, 16 Mar 2020 14:43:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 74A312051A for ; Mon, 16 Mar 2020 14:43:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="W+9dXAtn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731635AbgCPOnB (ORCPT ); Mon, 16 Mar 2020 10:43:01 -0400 Received: from mail-pj1-f68.google.com ([209.85.216.68]:53126 "EHLO mail-pj1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731589AbgCPOm7 (ORCPT ); Mon, 16 Mar 2020 10:42:59 -0400 Received: by mail-pj1-f68.google.com with SMTP id ng8so1482129pjb.2 for ; Mon, 16 Mar 2020 07:42:58 -0700 (PDT) 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=WmFBS14JXMEXPenWApvnYz3pDrUtv1d4djT5B5BXbiU=; b=W+9dXAtnYaZ8gb9dzNSVG2ORLV6t4E0Aw9yad9zGvnMHRdAnmYdLvqOpnjRH3txku+ CkFoOxCrvYtY6PyjpDzY9T2nIRDxc5ESHZVHH3Ko+NMh1lHdpBvJgeGw+Qy9uKAMJcwZ WnlHIGHklBepL82SiSnp/chQZf+mTihOY83u0FzXQ2J9o8bqHa8p96PWeKFV3BRme73V WruhZA4xc4G6jr5mUrEtgCqAzFFyTKmMssum/4wcbpR3+oWGXbau5Szo6wQBLjv6UwHj ixWmn9LDQlFA82iAl6nDHirGb+Jk8YUH3WXSEWmPP0km+cwKQV7n1ZYmRgoTGSqZLS5A 3f2A== 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=WmFBS14JXMEXPenWApvnYz3pDrUtv1d4djT5B5BXbiU=; b=j/7X2DmF/Ukth0ORKK+lbIpQlYPrJRuqdf20l8DjuuyNfjYM51Vxunra/CGji7j8YZ MUvQASHLi3Ca7ZA8vOYBTZ+z1631LhvYRN5vThycJ9XjNWOtxxCZPhkT7GTq21ujG74S DFpAUf1RmBGkXjL4vKC2Xv1IOOTf15QQ08AzXHpZ4FTyKEsmgmCqZ3HKpXEIvPdKdCzY y5wJaB1lowzSmEATZLw+Gcl1sUV8Tzag52IIo/zfRpRTwGdbxCgW28CHX5kFjDVBfpMG EUB6dzfy+5BM/sPC5yPc3Jx6H5BgEHnU/evdGt7s3WxJZPwWptXA04jfhcGo6sJwm9Os w0cA== X-Gm-Message-State: ANhLgQ1lDyNn+LJ8hQ7dY0p8NPL989N2l5JpuXjHiPCRmC1Gz8/mYCsY dRX2KSQfnfOXEKD2rXIEOAJQZqy+FEuMng== X-Google-Smtp-Source: ADFU+vth/ejP9tW5A/PSBxo3pnW44jD9HKUmh+HMKxy95ZAtVhdr53IZZdydEPgOzA/jnF8ZkONEqQ== X-Received: by 2002:a17:902:9a08:: with SMTP id v8mr24845571plp.251.1584369778057; Mon, 16 Mar 2020 07:42:58 -0700 (PDT) Received: from Mindolluin.aristanetworks.com ([2a02:8084:e84:2480:228:f8ff:fe6f:83a8]) by smtp.gmail.com with ESMTPSA id i2sm81524pjs.21.2020.03.16.07.42.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Mar 2020 07:42:57 -0700 (PDT) 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: [PATCHv2 44/50] sysrq: Use show_stack_loglvl() Date: Mon, 16 Mar 2020 14:39:10 +0000 Message-Id: <20200316143916.195608-45-dima@arista.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200316143916.195608-1-dima@arista.com> References: <20200316143916.195608-1-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 f724962a5906..fe1ffcbda194 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); -- 2.25.1