From patchwork Mon Nov 26 11:12:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Murray X-Patchwork-Id: 10697989 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 543A413AD for ; Mon, 26 Nov 2018 11:14:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 43A9F286D0 for ; Mon, 26 Nov 2018 11:14:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 363C52872F; Mon, 26 Nov 2018 11:14:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 352BA286D0 for ; Mon, 26 Nov 2018 11:14:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=qG+xP0qyQ8AGHpQN4bXtgrnQf9g4jBbSkz9hah44sMg=; b=SJoIuhyy+g1syLdxBQ0TTuajLR ogjpn15q3Evo406piNtC8ua3UIp19p03zI+8oS/yfpTPmwGNdO1fboMaTj56DoJQ+282vzJ57XZKc pH4L4Ue4Qqo9kCLGlqG++OxUqBjFuITdR7zL4hr4H63VmabQ5dEq/+6zB62T6rgwikidse/JvgpwT FD5RHQYYaU10j7GWnJw28MBCRUrXorted4LXyPUDsIvp7NQ+i4ttBwkhcvEWjGIM/zKjNn6abFTv7 gTf5gNf6clVqJ5P7wENyFmvaItatcC+iixclhM1ovPTH2bV1p3gtaFDIzaCK4bXU6MRM2JK1GBWSH qMeue7aw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gREqd-0004my-H0; Mon, 26 Nov 2018 11:14:39 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gREpq-00043K-3c for linux-arm-kernel@lists.infradead.org; Mon, 26 Nov 2018 11:13:52 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B2CAB2D91; Mon, 26 Nov 2018 03:13:44 -0800 (PST) Received: from e119886-lin.cambridge.arm.com (unknown [10.37.6.11]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0839C3F5AF; Mon, 26 Nov 2018 03:13:39 -0800 (PST) From: Andrew Murray To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Shawn Guo , Sascha Hauer , Will Deacon , Mark Rutland , Benjamin Herrenschmidt , Thomas Gleixner , Borislav Petkov , x86@kernel.org, Ralf Baechle , Paul Burton , James Hogan , Martin Schwidefsky , Heiko Carstens , "David S . Miller" , sparclinux@vger.kernel.org, Michael Ellerman Subject: [PATCH v2 04/20] perf/hw_breakpoint: perf/core: advertise PMU exclusion capability Date: Mon, 26 Nov 2018 11:12:20 +0000 Message-Id: <1543230756-15319-5-git-send-email-andrew.murray@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> References: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181126_031350_667801_E16747EA X-CRM114-Status: GOOD ( 12.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The breakpoint PMU has the capability to exclude kernel contexts, let's advertise that we support the PERF_PMU_CAP_EXCLUDE capability so that perf doesn't prevent us from handling events with any exclusion flags set. Signed-off-by: Andrew Murray --- kernel/events/hw_breakpoint.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c index d6b5618..fefe3d5 100644 --- a/kernel/events/hw_breakpoint.c +++ b/kernel/events/hw_breakpoint.c @@ -669,6 +669,8 @@ static struct pmu perf_breakpoint = { .start = hw_breakpoint_start, .stop = hw_breakpoint_stop, .read = hw_breakpoint_pmu_read, + + .capabilities = PERF_PMU_CAP_EXCLUDE, }; int __init init_hw_breakpoint(void)