From patchwork Mon Nov 26 11:12:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Murray X-Patchwork-Id: 10698015 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 97AE1109C for ; Mon, 26 Nov 2018 11:16:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 86AFB28935 for ; Mon, 26 Nov 2018 11:16:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 79EE428A16; Mon, 26 Nov 2018 11:16:09 +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 2EF6E28935 for ; Mon, 26 Nov 2018 11:16:09 +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=4U+p0L8+qF+hlULsPaQ0j1eIQ5xyoFT4EW987eB9AWI=; b=L3aU+VjGq70837IcU55Akv0L/+ 7d5Zlu1hoVPeDnJKFVUIXuGj6cY5C2pO0g57w0EPTUeOyYoUtE60NSyjRQF41tspTuNDZnKX4+jnm VYDztdu+2uL64QSiRPEBo4htbg1f5E+CSxC/C3rTPSKmPcZNlApb1A3TaOcojM3zhJT0EVWv12/+i 90J5wCmWb2ySLms5uifQt4dL99+FoNzFNSn+410KJXTAl8daioGaoJnkB7x5e8aHGm4OAGujIxPn2 nb5HCeDaFPXstrr8kqlb7j7BICCdhXiIDnBTndv8fhd48tIgaYcORChbGyC641xohYHKtT73eQ5VZ XD3SkSLA==; 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 1gRErr-00071S-Ff; Mon, 26 Nov 2018 11:15:55 +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 1gREqK-0004HD-0i for linux-arm-kernel@lists.infradead.org; Mon, 26 Nov 2018 11:14:45 +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 C6809391A; Mon, 26 Nov 2018 03:14:19 -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 1B0853F5AF; Mon, 26 Nov 2018 03:14:14 -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 11/20] drivers/perf: perf/core: advertise PMU exclusion capability Date: Mon, 26 Nov 2018 11:12:27 +0000 Message-Id: <1543230756-15319-12-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_031420_388268_90CB902C X-CRM114-Status: GOOD ( 14.48 ) 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 arm_pse PMU has the capability to exclude events based on context. Let's advertise that we support the PERF_PMU_CAP_EXCLUDE capability to ensure that perf doesn't prevent us from handling events where any exclusion flags are set. Signed-off-by: Andrew Murray --- drivers/perf/arm_spe_pmu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c index 54ec278..a09c38a 100644 --- a/drivers/perf/arm_spe_pmu.c +++ b/drivers/perf/arm_spe_pmu.c @@ -902,7 +902,8 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu) spe_pmu->pmu = (struct pmu) { .module = THIS_MODULE, - .capabilities = PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE, + .capabilities = PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE | + PERF_PMU_CAP_EXCLUDE, .attr_groups = arm_spe_pmu_attr_groups, /* * We hitch a ride on the software context here, so that