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 5FC61C352BE for ; Sat, 18 Apr 2020 20:21:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B777221F7 for ; Sat, 18 Apr 2020 20:21:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="o6EpWV3V" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728815AbgDRUVZ (ORCPT ); Sat, 18 Apr 2020 16:21:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728685AbgDRUUv (ORCPT ); Sat, 18 Apr 2020 16:20:51 -0400 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E14EC061A0F for ; Sat, 18 Apr 2020 13:20:51 -0700 (PDT) Received: by mail-wr1-x442.google.com with SMTP id f13so7134137wrm.13 for ; Sat, 18 Apr 2020 13:20:51 -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=rBtphzshsTJT+agYSVfMzy6VHv96OSjVYiPTsDxjpkc=; b=o6EpWV3VVSXvpl/hrQGc10y7cAUTC0DcFWtmI0xzDg16KHP4Zxe5M9rGYf6JvRnunz wztn5ICbEybWn/EUa1IbDKG6EyHgHDOeJbFDQjmIhFPWvuVzSm1bZwBIq9ZiMuOk8ZGb wxvnAXWL5hMGD8tvQwAsrwrgOtBtmWtGx1eCdGY49RVhsRXV6zXcHBlv1gUC0XyHhRu1 PBriJZDJyVoM3mYBQ0HCMDstIWzLr+h1Jz8S9j9tOMHkoqFLZHr34sLZB8Q9JWLdHNga rv/nTLA7ww7IgsJjziYK9WPyXd9TN69IQ7jvExyAAD0/5nTPTEHev+xomjwN9cwHIDiB JErQ== 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=rBtphzshsTJT+agYSVfMzy6VHv96OSjVYiPTsDxjpkc=; b=EhOiixsX8WHtnZQHM5jFK51rV33f0uwLe3p3PDwCKdBwLzJQi0ifmaF80ImIY5GUf8 2nqvXbm7EogkGRAk+lDhcCgmOLYpJ4cqAbaqhVmI2bVqWm8GI4/6XOscC+v+kGeM/CYO rUQVX+WuGdhoPYb7JJVpRc5i68JR2FWTbDLCvyTsHg1Rrxon6PAV5Fag0jibZTCREtST M65oqFWs7ll0KzmAXj3T8CdwK6AtWndZZvOHX6hwlhcUZH9aaFTHIlz/vsYwxqKH8LE0 jvZLBILLLVrv1JaNLDsxa8tXXM8/Uzkb7m5ya+ogJbWgQ/nELlI43mFu6zvbPWhGvXxG AeGg== X-Gm-Message-State: AGi0PuZRYQzHdZNgduMAMVrVw64JIPXJaToS0Of+zUA3ZPbXSd8I1Hsq M5G3I3Ukim9rpS2IdoRpIJUlDjPpQKo= X-Google-Smtp-Source: APiQypLVzU9qJCfqyhfMat7fp+t5PJcUPMe8hdQuHtXodAIdOVArOCTZ86ab+1BziVRpuCYO4/6hWA== X-Received: by 2002:adf:b344:: with SMTP id k4mr10081517wrd.76.1587241250001; Sat, 18 Apr 2020 13:20:50 -0700 (PDT) Received: from localhost.localdomain ([2a02:8084:e84:2480:228:f8ff:fe6f:83a8]) by smtp.gmail.com with ESMTPSA id m1sm31735255wro.64.2020.04.18.13.20.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Apr 2020 13:20:49 -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: [PATCHv3 44/50] sysrq: Use show_stack_loglvl() Date: Sat, 18 Apr 2020 21:19:38 +0100 Message-Id: <20200418201944.482088-45-dima@arista.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200418201944.482088-1-dima@arista.com> References: <20200418201944.482088-1-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 5e0d0813da55..b11300b16f62 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -232,7 +232,7 @@ 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); -- 2.26.0