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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 37DD0C54E41 for ; Wed, 6 Mar 2024 11:10:31 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=UYyNF/Dh; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4TqV8j5s8xz3vYw for ; Wed, 6 Mar 2024 22:10:29 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=UYyNF/Dh; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.101; helo=out30-101.freemail.mail.aliyun.com; envelope-from=yaoma@linux.alibaba.com; receiver=lists.ozlabs.org) Received: from out30-101.freemail.mail.aliyun.com (out30-101.freemail.mail.aliyun.com [115.124.30.101]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4TqV7r2Vlfz3cML for ; Wed, 6 Mar 2024 22:09:42 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1709723374; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=ceV/dYyY4lcQMo0rvtqY++7MI8S81r5Jn7ui5rksdP4=; b=UYyNF/DhVtuENrhLbkQqg/AwofiffYrNphckSKAiWUO7JIi1P79HxiHBMIMz7ItN2DkTgJv1PTDwTpzeCa5yR8YgFbNAVUYWQZ7cnoBnHJ9c7HNRay0iVA0vnBoN7wbHEkOK3qGwrDGeZN0l56g05Gr3xHv/w2/kq8sYTpwHibM= X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=yaoma@linux.alibaba.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---0W1xQ1s7_1709723370; Received: from 30.178.67.110(mailfrom:yaoma@linux.alibaba.com fp:SMTPD_---0W1xQ1s7_1709723370) by smtp.aliyun-inc.com; Wed, 06 Mar 2024 19:09:32 +0800 Message-ID: <5ab46413-5810-475a-b8c1-3c9b142ea35c@linux.alibaba.com> Date: Wed, 6 Mar 2024 19:09:29 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv11 2/4] genirq: Provide a snapshot mechanism for interrupt statistics Content-Language: en-US To: Thomas Gleixner , Doug Anderson References: <20240228072216.95130-1-yaoma@linux.alibaba.com> <20240228072216.95130-3-yaoma@linux.alibaba.com> <87plwdwycx.ffs@tglx> <3a89fafb-f62e-472f-b40b-8bf97954e9e3@linux.alibaba.com> <87wmqiulaw.ffs@tglx> <28a24e4b-c322-4631-ad6d-7259ca3d084d@linux.alibaba.com> <87h6hkvcor.ffs@tglx> From: Bitao Hu In-Reply-To: <87h6hkvcor.ffs@tglx> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pmladek@suse.com, tsbogend@alpha.franken.de, linux-parisc@vger.kernel.org, jan.kiszka@siemens.com, deller@gmx.de, liusong@linux.alibaba.com, npiggin@gmail.com, linux-kernel@vger.kernel.org, James.Bottomley@hansenpartnership.com, yaoma@linux.alibaba.com, kernelfans@gmail.com, akpm@linux-foundation.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi, On 2024/3/6 00:57, Thomas Gleixner wrote: > >> diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig >> index 2531f3496ab6..a28e5ac5fc79 100644 >> --- a/kernel/irq/Kconfig >> +++ b/kernel/irq/Kconfig >> @@ -108,6 +108,10 @@ config GENERIC_IRQ_MATRIX_ALLOCATOR >> config GENERIC_IRQ_RESERVATION_MODE >> bool >> >> +# Snapshot for interrupt statistics >> +config GENERIC_IRQ_STAT_SNAPSHOT >> + bool >> + >> # Support forced irq threading >> config IRQ_FORCED_THREADING >> bool >> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug >> index 49f652674bd8..899b69fcb598 100644 >> --- a/lib/Kconfig.debug >> +++ b/lib/Kconfig.debug >> @@ -1032,6 +1032,7 @@ config SOFTLOCKUP_DETECTOR >> config SOFTLOCKUP_DETECTOR_INTR_STORM >> bool "Detect Interrupt Storm in Soft Lockups" >> depends on SOFTLOCKUP_DETECTOR && IRQ_TIME_ACCOUNTING >> + select GENERIC_IRQ_STAT_SNAPSHOT > > This goes into the patch which adds the lockup detector parts. > OK, I will implement this in the next version. Best Regards, Bitao Hu