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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 3FAAEC433F5 for ; Tue, 11 Oct 2022 20:43:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Hvah2+mOMMpnnP/iMzuD2kOCkcsLpSf4Z3uJcOof6KY=; b=ohYtDleMhUcbWE fJbeBjt/BZ7nAE6ltHIP9wSorDIpF8m8W3PeHL0K/xTOPJQ8z9q6G57ZkJt6piQRCMmhm0yjNOwjV az5Ez/q3zGXoqBI5aBYN04XrwIZqcUJ2U6GqEqEZ3lFZqBP1LSm3GXWrokCBchgGobqFz9p57Np2/ JUN6QwZbKonVOszFybNGsE/oAdJ+0FODAArgurJqP1fDUxeAxbPW9i68/Y+6cL4c6YaWGK0gvsiGH 4BVxG23MoDLjiJgpmHnemRWdTK9gEhtFlZpOWOFex4hpqDVDLCi5kPQ5mLJ1IsldAzV0oDF+77T6D /T4eHrwaa7TdMb0ZmgpQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiM4b-005p3z-Tm; Tue, 11 Oct 2022 20:41:58 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiM4Z-005p2b-7z; Tue, 11 Oct 2022 20:41:56 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 36325B80F9B; Tue, 11 Oct 2022 20:41:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E8570C433C1; Tue, 11 Oct 2022 20:41:44 +0000 (UTC) Date: Tue, 11 Oct 2022 16:41:43 -0400 From: Steven Rostedt To: Valentin Schneider Cc: Daniel Bristot de Oliveira , 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, "Paul E. McKenney" , Peter Zijlstra , Thomas Gleixner , Sebastian Andrzej Siewior , Juri Lelli , Frederic Weisbecker , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Marc Zyngier , Mark Rutland , Russell King , Nicholas Piggin , Marcelo Tosatti , Guo Ren , "David S. Miller" , Douglas RAILLARD Subject: Re: [RFC PATCH 0/5] Generic IPI sending tracepoint Message-ID: <20221011164143.52c84421@rorschach.local.home> In-Reply-To: References: <20221007154145.1877054-1-vschneid@redhat.com> <3e680bb9-9896-3665-dd59-4f2e6f8205bb@redhat.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221011_134155_434470_D89D8C5F X-CRM114-Status: GOOD ( 17.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 11 Oct 2022 17:40:26 +0100 Valentin Schneider wrote: > > You could keep the tracepoint as a mask, and then make it pretty, like cpus=3-5,8 > > in user-space. For example with a trace-cmd/perf loadable plugin, libtracefs helper. > > > > That's a nice idea, the one downside I see is that means registering an > event handler for all events with cpumasks rather than directly targeting > cpumask fields, but that doesn't look too horrible. I'll dig a bit in that > direction. We could just make all all dynamic array's of unsigned long use that format? I don't know of any other event that has dynamic arrays of unsigned longs. And doing a search doesn't come up with any. -- Steve _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel