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[23.128.96.19]) by mx.google.com with ESMTPS id pf10-20020a17090b1d8a00b001c9b7f08a94si6761179pjb.139.2022.04.15.19.03.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Apr 2022 19:03:22 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=cSau7DOu; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 010B21C7EA8; Fri, 15 Apr 2022 18:22:07 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348240AbiDNPDe (ORCPT + 99 others); Thu, 14 Apr 2022 11:03:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346583AbiDNN5n (ORCPT ); Thu, 14 Apr 2022 09:57:43 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CFCAFB0A4E for ; Thu, 14 Apr 2022 06:47:26 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1649944043; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=DskRBwo4rT1rGp5QQmzQS42mfpKQLeowJJ61wZ0sDW4=; b=cSau7DOuRTJNXQB0QHHE/kiUNmafm8uRqmUsMWa1R7Ic8A345Or+QOmhjYSenoOHFrS++5 tNEEM225xr4rVy2ml7vqsrBtti8HzYcOHrbPs6WZlSqd8clwjDxjX35A5DYOifA1BOZM82 DOntAAbKK9u438FJ4qkXK20JJ7UPKHbzwUpmn+4n76bzVFPeXujaJE3eN+5GJBWGraodmP kzxl/2BwnGMf7ps+1hMZv6UXCGlaCuQBMBnk9qauD1wP8MjekNg3dubvYnwAOo3eYQ0vVn pog1XVECkVbDVX7k9AYgGzdH2qQzZ/LvxusyvLudO88lw3gBRH6WN0O3BNoVtw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1649944043; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=DskRBwo4rT1rGp5QQmzQS42mfpKQLeowJJ61wZ0sDW4=; b=q1MoJDHv8bT1KKL0R1zPtEOsCoqB24WzPb3ZqCjUqcabVHcPQACN3uJ9Uk2lITkirC63zH msEQBu2gOm/FoIAw== To: Zqiang , akpm@linux-foundation.org, peterz@infradead.org Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] irq_work: Add event-tracing points for irq_work In-Reply-To: <20220414063829.2472251-1-qiang1.zhang@intel.com> References: <20220414063829.2472251-1-qiang1.zhang@intel.com> Date: Thu, 14 Apr 2022 15:47:22 +0200 Message-ID: <87h76vepzp.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 14 2022 at 14:38, Zqiang wrote: > +#define CREATE_TRACE_POINTS > +#include > + > static DEFINE_PER_CPU(struct llist_head, raised_list); > static DEFINE_PER_CPU(struct llist_head, lazy_list); > static DEFINE_PER_CPU(struct task_struct *, irq_workd); > @@ -81,7 +84,9 @@ static void __irq_work_queue_local(struct irq_work *work) > bool rt_lazy_work = false; > bool lazy_work = false; > int work_flags; > + int cpu = smp_processor_id(); > > + trace_irq_work_queue_on(cpu, work); What about work_flags to see on which list this ends up? Thanks, tglx