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 7F316EB64DD for ; Tue, 11 Jul 2023 08:25:54 +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:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YVcC5gyGUsCRLzejpk8c1bIRdywMomkJ2aDMN+z2apI=; b=NhCOTbesin6u9r aI6JxMDQ3+a7JYkFt1qd3UrJSACAs+j59xyZ3R0Co6Rm08oIbUM9El/e13ESctMUnDWDj+6KUq5zv Ir5wrEwC+vYlNDSpaHSN9Nzmfap8Wj3vnUnI8+eDzpCDNZSngsW9KFqdn3uk+F5vpEX+FMoTWwPhG B7TLOB5300OaCDxtHYpDT2GlROYMT0sLobLsCdL+ZH+HH7kik1ot/OhYbFIX64k4oyEYzbeYe7Bwx 35Ye1LndfatGWwGqoBZ8w6RpcwGn72kcg/2g+bOlv9kDQNfZ8bs42F3qlxZcieZw8Hk4X3wBkYqvT wNeo/WEBsU67g/qHXEuA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qJ8gU-00E659-34; Tue, 11 Jul 2023 08:25:22 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qJ8gR-00E62R-02 for linux-arm-kernel@lists.infradead.org; Tue, 11 Jul 2023 08:25:20 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C0093D75; Tue, 11 Jul 2023 01:25:57 -0700 (PDT) Received: from a077893.arm.com (unknown [10.163.47.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9C4E23F740; Tue, 11 Jul 2023 01:25:10 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, will@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com Cc: Anshuman Khandual , Mark Brown , James Clark , Rob Herring , Marc Zyngier , Suzuki Poulose , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , linux-perf-users@vger.kernel.org Subject: [PATCH V13 - RESEND 01/10] drivers: perf: arm_pmu: Add new sched_task() callback Date: Tue, 11 Jul 2023 13:54:46 +0530 Message-Id: <20230711082455.215983-2-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230711082455.215983-1-anshuman.khandual@arm.com> References: <20230711082455.215983-1-anshuman.khandual@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230711_012519_114920_2CFA754E X-CRM114-Status: GOOD ( 12.51 ) 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 This adds armpmu_sched_task(), as generic pmu's sched_task() override which in turn can utilize a new arm_pmu.sched_task() callback when available from the arm_pmu instance. This new callback will be used while enabling BRBE in ARMV8 PMU. Cc: Catalin Marinas Cc: Will Deacon Cc: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Tested-by: James Clark Acked-by: Mark Rutland Signed-off-by: Anshuman Khandual --- drivers/perf/arm_pmu.c | 9 +++++++++ include/linux/perf/arm_pmu.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index f6ccb2cd4dfc..c0475a96c2a0 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -519,6 +519,14 @@ static int armpmu_event_init(struct perf_event *event) return __hw_perf_event_init(event); } +static void armpmu_sched_task(struct perf_event_pmu_context *pmu_ctx, bool sched_in) +{ + struct arm_pmu *armpmu = to_arm_pmu(pmu_ctx->pmu); + + if (armpmu->sched_task) + armpmu->sched_task(pmu_ctx, sched_in); +} + static void armpmu_enable(struct pmu *pmu) { struct arm_pmu *armpmu = to_arm_pmu(pmu); @@ -865,6 +873,7 @@ struct arm_pmu *armpmu_alloc(void) } pmu->pmu = (struct pmu) { + .sched_task = armpmu_sched_task, .pmu_enable = armpmu_enable, .pmu_disable = armpmu_disable, .event_init = armpmu_event_init, diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h index a0801f68762b..3d3bd944d630 100644 --- a/include/linux/perf/arm_pmu.h +++ b/include/linux/perf/arm_pmu.h @@ -102,6 +102,7 @@ struct arm_pmu { void (*stop)(struct arm_pmu *); void (*reset)(void *); int (*map_event)(struct perf_event *event); + void (*sched_task)(struct perf_event_pmu_context *pmu_ctx, bool sched_in); int num_events; bool secure_access; /* 32-bit ARM only */ #define ARMV8_PMUV3_MAX_COMMON_EVENTS 0x40 -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel