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 mail.librecores.org (lists.librecores.org [88.198.125.70]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87171C4332F for ; Sat, 8 Oct 2022 05:01:09 +0000 (UTC) Received: from [172.31.1.100] (localhost.localdomain [127.0.0.1]) by mail.librecores.org (Postfix) with ESMTP id 754E8248EF; Sat, 8 Oct 2022 07:01:07 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mail.librecores.org (Postfix) with ESMTP id 5DA6C24B27 for ; Fri, 7 Oct 2022 17:45:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1665157556; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LMgaXogbXPhOabUcxt7UADYdICMU0udr545Ze04p+j4=; b=JLKCLgP01KrpZnpdQTyLB+vQBvObhVF+1bTIkpjtJsHK4AbD3/AJ25iW93ClmJ0iBWwN1O KycWJyaYmtoStwJY/dqAmPEHxb5G+M31gaUfcMzyTYM3nDc4AHl5yt6uUH+C7LslcXHg5Q Q3izfD3tb4+8q5tULBFCDtKV5aU9tAE= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-184-2ctj2GMKP7-q0SE9ILUxmw-1; Fri, 07 Oct 2022 11:45:53 -0400 X-MC-Unique: 2ctj2GMKP7-q0SE9ILUxmw-1 Received: by mail-wm1-f69.google.com with SMTP id o18-20020a05600c339200b003bf24961658so2845485wmp.6 for ; Fri, 07 Oct 2022 08:45:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=LMgaXogbXPhOabUcxt7UADYdICMU0udr545Ze04p+j4=; b=oDsc5tDVsCGgQusG7UAGiOln35TMvqwtXRwzPiX45qwCakuJL735l0H/8VgI3bVEMw dMWtcMnHWqZy7A6OV6bhz+PCGlXckTQdsFh6Yar9oJ5RDnVJ1g6NYAUbenbzms8SNYkd Aja9mDqHH35PfK+a1dggN415jOU4Zy0JaHbBc3CLyXjAqlnZIAYETOCKa2yuTNqdFrW7 SAhowVmwddnHhEYg21yAOJ/2U9O6lMPcXBHFao+Y8uWw5Pyf64ejIq7PBpTAuo1ZdWct ZuVEKEpIFbPqGAFRXwTpyEilYy32L91wyGUMYMEBry+cO4LNSKC8Vfpc0nhA7ti0ujtS z0Tg== X-Gm-Message-State: ACrzQf1OoMJFtta6aRy9Xp9XP0rBh7pHBNYncwUDD+Wb5sPlCAqQ/6R/ U7G2ah5fdWK3UfroKYoYuX7iF/tf1BxmpwaZizxXuNFiB5VRQJjbKDKyx+rWACwWSsO+wXfp9MA SMQKyDVcuzJKS+7zIPbpKP742RQ== X-Received: by 2002:a05:600c:458d:b0:3c3:bf4e:5c60 with SMTP id r13-20020a05600c458d00b003c3bf4e5c60mr1331376wmo.189.1665157552449; Fri, 07 Oct 2022 08:45:52 -0700 (PDT) X-Google-Smtp-Source: AMsMyM53pm8pDMF8tAvcpsQYCd9DEpAeQROExvsQCCHMjVMrngwHmXq+ii3h5Ne2OaugbAyINh7v6Q== X-Received: by 2002:a05:600c:458d:b0:3c3:bf4e:5c60 with SMTP id r13-20020a05600c458d00b003c3bf4e5c60mr1331352wmo.189.1665157552172; Fri, 07 Oct 2022 08:45:52 -0700 (PDT) Received: from vschneid.remote.csb ([149.71.65.94]) by smtp.gmail.com with ESMTPSA id i18-20020adfb652000000b0022e38c93195sm2339428wre.34.2022.10.07.08.45.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Oct 2022 08:45:51 -0700 (PDT) From: Valentin Schneider To: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org Subject: [RFC PATCH 1/5] trace: Add trace_ipi_send_{cpu, cpumask} Date: Fri, 7 Oct 2022 16:45:29 +0100 Message-Id: <20221007154533.1878285-1-vschneid@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221007154145.1877054-1-vschneid@redhat.com> References: <20221007154145.1877054-1-vschneid@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-Mailman-Approved-At: Sat, 08 Oct 2022 07:01:05 +0200 X-BeenThere: openrisc@lists.librecores.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Discussion around the OpenRISC processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , Mark Rutland , Dave Hansen , "Paul E. McKenney" , Peter Zijlstra , Marc Zyngier , Sebastian Andrzej Siewior , Marcelo Tosatti , Russell King , Steven Rostedt , "David S. Miller" , Ingo Molnar , Borislav Petkov , Nicholas Piggin , "H. Peter Anvin" , Guo Ren , Thomas Gleixner , Daniel Bristot de Oliveira , Frederic Weisbecker Errors-To: openrisc-bounces@lists.librecores.org Sender: "OpenRISC" trace_ipi_raise is unsuitable for generically tracing IPI sources; add a variant of it that takes a callsite and a CPU. Define a macro helper for handling IPIs sent to multiple CPUs. Signed-off-by: Valentin Schneider --- include/trace/events/ipi.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/include/trace/events/ipi.h b/include/trace/events/ipi.h index 0be71dad6ec0..fd2f2aeb36fe 100644 --- a/include/trace/events/ipi.h +++ b/include/trace/events/ipi.h @@ -35,6 +35,33 @@ TRACE_EVENT(ipi_raise, TP_printk("target_mask=%s (%s)", __get_bitmask(target_cpus), __entry->reason) ); +TRACE_EVENT(ipi_send_cpu, + + TP_PROTO(unsigned long callsite, unsigned int cpu), + + TP_ARGS(callsite, cpu), + + TP_STRUCT__entry( + __field(unsigned long, callsite) + __field(unsigned int, cpu) + ), + + TP_fast_assign( + __entry->callsite = callsite; + __entry->cpu = cpu; + ), + + TP_printk("callsite=%pS target_cpu=%d", (void *)__entry->callsite, __entry->cpu) +); + +#define trace_ipi_send_cpumask(callsite, mask) do { \ + if (static_key_false(&__tracepoint_ipi_send_cpu.key)) { \ + int cpu; \ + for_each_cpu(cpu, mask) \ + trace_ipi_send_cpu(callsite, cpu); \ + } \ +} while (0) + DECLARE_EVENT_CLASS(ipi_handler, TP_PROTO(const char *reason), -- 2.31.1