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 9F37DC7EE23 for ; Mon, 5 Jun 2023 07:26:50 +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:In-Reply-To:MIME-Version:References: 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=wUbjcqFLO081u3kbETNvQ/8qnYzc8I7H6AxvWPtOjY4=; b=1rY3nc2ye+NfgB wvh5zMyVgDojLdDAic0XbSGR8SrmpkUVnyWSzOWImV+JbxEnjvcZDV2TKGhhhozhYLU3EqY0pRZU+ JrfH2K/KP5xSUUw+WTThh67wOLeejV069Zcz6m10xp2fLB34f8e6IFNuRpVgW3CHghDHZHXhxqKzD DiiFumyqdbwS8REwrMkTZ1f0zyFMm2F8flJR7T1dEKeF5tLUhL8tRYNGcZtG4FBDfjDQ5PZzrRdd/ 3gdGBR2aHzSH3uKNyDEUUb5QRoIcyLnGAs1vT2sC5/jucL3MYi6jenqHWs4PYBqopy2qdlwjONqQw JfngJlKH6WQobr+tG/kA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q64be-00EXXc-1c; Mon, 05 Jun 2023 07:26:22 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q64bc-00EXWl-0G for linux-arm-kernel@lists.infradead.org; Mon, 05 Jun 2023 07:26:21 +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 E98D6D75; Mon, 5 Jun 2023 00:27:00 -0700 (PDT) Received: from FVFF77S0Q05N (unknown [10.57.24.244]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3454D3F793; Mon, 5 Jun 2023 00:26:13 -0700 (PDT) Date: Mon, 5 Jun 2023 08:26:10 +0100 From: Mark Rutland To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, will@kernel.org, catalin.marinas@arm.com, 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: Re: [PATCH V11 01/10] drivers: perf: arm_pmu: Add new sched_task() callback Message-ID: References: <20230531040428.501523-1-anshuman.khandual@arm.com> <20230531040428.501523-2-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230531040428.501523-2-anshuman.khandual@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230605_002620_168364_BABA0B50 X-CRM114-Status: GOOD ( 20.23 ) 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 Wed, May 31, 2023 at 09:34:19AM +0530, Anshuman Khandual wrote: > 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 > Signed-off-by: Anshuman Khandual Acked-by: Mark Rutland > --- > 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 15bd1e34a88e..aada47e3b126 100644 > --- a/drivers/perf/arm_pmu.c > +++ b/drivers/perf/arm_pmu.c > @@ -517,6 +517,14 @@ 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); > @@ -858,6 +866,7 @@ 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 525b5d64e394..f7fbd162ca4c 100644 > --- a/include/linux/perf/arm_pmu.h > +++ b/include/linux/perf/arm_pmu.h > @@ -100,6 +100,7 @@ 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