From patchwork Sat May 13 01:55:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umesh Nerlige Ramappa X-Patchwork-Id: 13240068 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 25AABC77B75 for ; Sat, 13 May 2023 01:56:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EF77C10E710; Sat, 13 May 2023 01:55:51 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 415D910E08F for ; Sat, 13 May 2023 01:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683942949; x=1715478949; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=hIeeG5rlbgf77K4mukdLesfdTd8rILXqGvcbVSsdklU=; b=Pk3L5Jmsa6cIQI6O/u51VNhVOvTU/UIlUT8lk0O1kHU1C/JDO+LQMZmh eBTiFln5yYxMrT2HtZtKL2bXBC4YBkOv0spMMe0OiIcASKLVbnPFn9ZvQ jzzaalt7RBILSXcIpevUbotPO2j/ILZPi010F2eSoz79KADsjECcc4c1i PmLtdTA7KWN+zNdBeDiGh3OsAkojxOtxCwliQhU5xEFPeGr8emyb7qJSg 369sl/sLNCE6KV6f6RsqblSx2hdckaAlmq70lC7W/PrQvEAabvdONCpTl qW+Td10fG0NsDH/dyvzcZYGtujbHZEnLzL8WQzWZXWLpVjchrgYNseeyC g==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="354054419" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="354054419" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="731017010" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="731017010" Received: from orsosgc001.jf.intel.com ([10.165.21.138]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 From: Umesh Nerlige Ramappa To: intel-gfx@lists.freedesktop.org, Tvrtko Ursulin , Ashutosh Dixit Date: Fri, 12 May 2023 18:55:40 -0700 Message-Id: <20230513015545.2807282-2-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> References: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/6] drm/i915/pmu: Support PMU for all engines X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin Given how the metrics are already exported, we also need to run sampling over engines from all GTs. Problem of GT frequencies is left for later. Signed-off-by: Tvrtko Ursulin Reviewed-by: Umesh Nerlige Ramappa Signed-off-by: Umesh Nerlige Ramappa --- drivers/gpu/drm/i915/i915_pmu.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 7ece883a7d95..67fa6cd77529 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -10,6 +10,7 @@ #include "gt/intel_engine_pm.h" #include "gt/intel_engine_regs.h" #include "gt/intel_engine_user.h" +#include "gt/intel_gt.h" #include "gt/intel_gt_pm.h" #include "gt/intel_gt_regs.h" #include "gt/intel_rc6.h" @@ -414,8 +415,9 @@ static enum hrtimer_restart i915_sample(struct hrtimer *hrtimer) struct drm_i915_private *i915 = container_of(hrtimer, struct drm_i915_private, pmu.timer); struct i915_pmu *pmu = &i915->pmu; - struct intel_gt *gt = to_gt(i915); unsigned int period_ns; + struct intel_gt *gt; + unsigned int i; ktime_t now; if (!READ_ONCE(pmu->timer_enabled)) @@ -431,8 +433,13 @@ static enum hrtimer_restart i915_sample(struct hrtimer *hrtimer) * grabbing the forcewake. However the potential error from timer call- * back delay greatly dominates this so we keep it simple. */ - engines_sample(gt, period_ns); - frequency_sample(gt, period_ns); + + for_each_gt(gt, i915, i) { + engines_sample(gt, period_ns); + + if (i == 0) /* FIXME */ + frequency_sample(gt, period_ns); + } hrtimer_forward(hrtimer, now, ns_to_ktime(PERIOD)); From patchwork Sat May 13 01:55:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umesh Nerlige Ramappa X-Patchwork-Id: 13240066 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 2D6CDC77B7C for ; Sat, 13 May 2023 01:55:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B59D410E08F; Sat, 13 May 2023 01:55:51 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6023810E053 for ; Sat, 13 May 2023 01:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683942949; x=1715478949; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=2lTPJeOCyYVDWgwi21L73AWP3vd7P8OPhOEaO6TAQtk=; b=ZbyK9dlGRsc3GXxiCIpxGajAlU+AOuwThkigUndx8n0D4rxD1Z7sYN1O 1hoGLDLXlrNy2FW/Vky/h+B6zua0itM6gf6A2ZQrUT68lOHrc8rl/3nPt QaleBMRIL9PB305Dc1i2ReR2C/+v7qAeGg2EJGYzBumB87OZEp/KmRBbq XB6SV8GerXTAcwJC9jG7/yxK/88fc9lgIgOK6zR2fBRYQ+c+GLscOLK+g Ae+pAu/ccFpyhTuuBtWnxUkJ6DSTaY6a9rx++4g/pvCfajXwxoNtPa++B oWfMZNnfIKejJd/RUBr8IB8AkhJdYpygN6P2G1Nf+T6R9zHRBs6fTVbLP A==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="354054421" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="354054421" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="731017013" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="731017013" Received: from orsosgc001.jf.intel.com ([10.165.21.138]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 From: Umesh Nerlige Ramappa To: intel-gfx@lists.freedesktop.org, Tvrtko Ursulin , Ashutosh Dixit Date: Fri, 12 May 2023 18:55:41 -0700 Message-Id: <20230513015545.2807282-3-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> References: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/6] drm/i915/pmu: Skip sampling engines with no enabled counters X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin As we have more and more engines do not waste time sampling the ones no- one is monitoring. Signed-off-by: Tvrtko Ursulin Reviewed-by: Umesh Nerlige Ramappa Signed-off-by: Umesh Nerlige Ramappa --- drivers/gpu/drm/i915/i915_pmu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 67fa6cd77529..ba769f7fc385 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -339,6 +339,9 @@ engines_sample(struct intel_gt *gt, unsigned int period_ns) return; for_each_engine(engine, gt, id) { + if (!engine->pmu.enable) + continue; + if (!intel_engine_pm_get_if_awake(engine)) continue; From patchwork Sat May 13 01:55:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umesh Nerlige Ramappa X-Patchwork-Id: 13240069 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 C137FC77B7C for ; Sat, 13 May 2023 01:56:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1579D10E717; Sat, 13 May 2023 01:55:52 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9BBE910E053 for ; Sat, 13 May 2023 01:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683942949; x=1715478949; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=916hXGphRZb5CRfvE7cuXgAYE5B39UiPyV1ZZY0wzEA=; b=YSGYP8O01ECdczBgXnynXf821v7JMqW4QQzgZVruu/de+w/3cLmlTM0a LVo59BXqGgfkJVNks3Mv8bGE8NK4+RIOMN42rFkodvUzkgTFIlPnmAIU+ smKqzBNIVw6vdx2ID/v551Xlu/k4jfz4ZAf1ZW07+WCzVlPURbbEQEMEP s+SL9eWmrzTBVf9xJ8YR+qwrLRqoAnKtfkmZZE9VN8KYqkXkg6czKzRRP 1yvIktegBvuqg4nOG/d1BsOFRxpv++xTb96H5RbSQGyoEKU2TnLby/Z23 is8YdgJ9MTqE2vDeO4LMHPn+LtCBNVqUADxyuyLvjRneVDz6XKa545+ma Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="354054422" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="354054422" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="731017017" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="731017017" Received: from orsosgc001.jf.intel.com ([10.165.21.138]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 From: Umesh Nerlige Ramappa To: intel-gfx@lists.freedesktop.org, Tvrtko Ursulin , Ashutosh Dixit Date: Fri, 12 May 2023 18:55:42 -0700 Message-Id: <20230513015545.2807282-4-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> References: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/6] drm/i915/pmu: Transform PMU parking code to be GT based X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin Trivial prep work for full multi-tile enablement later. Signed-off-by: Tvrtko Ursulin Signed-off-by: Vinay Belgaumkar Reviewed-by: Umesh Nerlige Ramappa Signed-off-by: Umesh Nerlige Ramappa --- drivers/gpu/drm/i915/gt/intel_gt_pm.c | 4 ++-- drivers/gpu/drm/i915/i915_pmu.c | 16 ++++++++-------- drivers/gpu/drm/i915/i915_pmu.h | 9 +++++---- 3 files changed, 15 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index e02cb90723ae..c2e69bafd02b 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -87,7 +87,7 @@ static int __gt_unpark(struct intel_wakeref *wf) intel_rc6_unpark(>->rc6); intel_rps_unpark(>->rps); - i915_pmu_gt_unparked(i915); + i915_pmu_gt_unparked(gt); intel_guc_busyness_unpark(gt); intel_gt_unpark_requests(gt); @@ -109,7 +109,7 @@ static int __gt_park(struct intel_wakeref *wf) intel_guc_busyness_park(gt); i915_vma_parked(gt); - i915_pmu_gt_parked(i915); + i915_pmu_gt_parked(gt); intel_rps_park(>->rps); intel_rc6_park(>->rc6); diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index ba769f7fc385..2b63ee31e1b3 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -217,11 +217,11 @@ static void init_rc6(struct i915_pmu *pmu) } } -static void park_rc6(struct drm_i915_private *i915) +static void park_rc6(struct intel_gt *gt) { - struct i915_pmu *pmu = &i915->pmu; + struct i915_pmu *pmu = >->i915->pmu; - pmu->sample[__I915_SAMPLE_RC6].cur = __get_rc6(to_gt(i915)); + pmu->sample[__I915_SAMPLE_RC6].cur = __get_rc6(gt); pmu->sleep_last = ktime_get_raw(); } @@ -236,16 +236,16 @@ static void __i915_pmu_maybe_start_timer(struct i915_pmu *pmu) } } -void i915_pmu_gt_parked(struct drm_i915_private *i915) +void i915_pmu_gt_parked(struct intel_gt *gt) { - struct i915_pmu *pmu = &i915->pmu; + struct i915_pmu *pmu = >->i915->pmu; if (!pmu->base.event_init) return; spin_lock_irq(&pmu->lock); - park_rc6(i915); + park_rc6(gt); /* * Signal sampling timer to stop if only engine events are enabled and @@ -256,9 +256,9 @@ void i915_pmu_gt_parked(struct drm_i915_private *i915) spin_unlock_irq(&pmu->lock); } -void i915_pmu_gt_unparked(struct drm_i915_private *i915) +void i915_pmu_gt_unparked(struct intel_gt *gt) { - struct i915_pmu *pmu = &i915->pmu; + struct i915_pmu *pmu = >->i915->pmu; if (!pmu->base.event_init) return; diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h index c30f43319a78..a686fd7ccedf 100644 --- a/drivers/gpu/drm/i915/i915_pmu.h +++ b/drivers/gpu/drm/i915/i915_pmu.h @@ -13,6 +13,7 @@ #include struct drm_i915_private; +struct intel_gt; /* * Non-engine events that we need to track enabled-disabled transition and @@ -151,15 +152,15 @@ int i915_pmu_init(void); void i915_pmu_exit(void); void i915_pmu_register(struct drm_i915_private *i915); void i915_pmu_unregister(struct drm_i915_private *i915); -void i915_pmu_gt_parked(struct drm_i915_private *i915); -void i915_pmu_gt_unparked(struct drm_i915_private *i915); +void i915_pmu_gt_parked(struct intel_gt *gt); +void i915_pmu_gt_unparked(struct intel_gt *gt); #else static inline int i915_pmu_init(void) { return 0; } static inline void i915_pmu_exit(void) {} static inline void i915_pmu_register(struct drm_i915_private *i915) {} static inline void i915_pmu_unregister(struct drm_i915_private *i915) {} -static inline void i915_pmu_gt_parked(struct drm_i915_private *i915) {} -static inline void i915_pmu_gt_unparked(struct drm_i915_private *i915) {} +static inline void i915_pmu_gt_parked(struct intel_gt *gt) {} +static inline void i915_pmu_gt_unparked(struct intel_gt *gt) {} #endif #endif From patchwork Sat May 13 01:55:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umesh Nerlige Ramappa X-Patchwork-Id: 13240065 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 BD25DC77B75 for ; Sat, 13 May 2023 01:55:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A0A9110E053; Sat, 13 May 2023 01:55:50 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7D2F710E707 for ; Sat, 13 May 2023 01:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683942949; x=1715478949; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=unMvCkOTOOW83X8twgaU3mrHt7rAYMhRCygjH1rMllA=; b=jgfJsj7HAXuMQDmx1IDqkC5/3y7wBtLCdIDE3xYVFzzOcZ5HDn/leO97 YbyjtCVHLJrCzT7SG8plCQ7KD2haZ9Ihi5Xwn8xI9wOfyXNlwYvhg5zYt Y6+Sqt6GWG61b77WLUxAYWPVjnganhqzOaAEhz8oH+0L+Cky8Qv1zKaGB iqTQqr94ThkAMBGYGKlxF1lGjawt76BflSxxgtC+liW+j0JVstIMCh/NY dzphHWxXlkGJ8ONlzP1pjdoXPFRflifHUjHhJRrtctcf3psK5RuMK4uAA eHgOksIafjfZFKpq1MRx9uQ/H2GQFrg8Ad/HaaJWWE2En2jrxVDneEgrD A==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="354054423" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="354054423" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="731017019" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="731017019" Received: from orsosgc001.jf.intel.com ([10.165.21.138]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 From: Umesh Nerlige Ramappa To: intel-gfx@lists.freedesktop.org, Tvrtko Ursulin , Ashutosh Dixit Date: Fri, 12 May 2023 18:55:43 -0700 Message-Id: <20230513015545.2807282-5-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> References: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/6] drm/i915/pmu: Add reference counting to the sampling timer X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin We do not want to have timers per tile and waste CPU cycles and energy via multiple wake-up sources, for a relatively un-important task of PMU sampling, so keeping a single timer works well. But we also do not want the first GT which goes idle to turn off the timer. Add some reference counting, via a mask of unparked GTs, to solve this. v2: Drop the check for unparked in i915_sample (Ashutosh) Signed-off-by: Tvrtko Ursulin Reviewed-by: Umesh Nerlige Ramappa Signed-off-by: Umesh Nerlige Ramappa Reviewed-by: Ashutosh Dixit --- drivers/gpu/drm/i915/i915_pmu.c | 9 +++++++-- drivers/gpu/drm/i915/i915_pmu.h | 4 ++++ 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 2b63ee31e1b3..725b01b00775 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -251,7 +251,9 @@ void i915_pmu_gt_parked(struct intel_gt *gt) * Signal sampling timer to stop if only engine events are enabled and * GPU went idle. */ - pmu->timer_enabled = pmu_needs_timer(pmu, false); + pmu->unparked &= ~BIT(gt->info.id); + if (pmu->unparked == 0) + pmu->timer_enabled = pmu_needs_timer(pmu, false); spin_unlock_irq(&pmu->lock); } @@ -268,7 +270,10 @@ void i915_pmu_gt_unparked(struct intel_gt *gt) /* * Re-enable sampling timer when GPU goes active. */ - __i915_pmu_maybe_start_timer(pmu); + if (pmu->unparked == 0) + __i915_pmu_maybe_start_timer(pmu); + + pmu->unparked |= BIT(gt->info.id); spin_unlock_irq(&pmu->lock); } diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h index a686fd7ccedf..3a811266ac6a 100644 --- a/drivers/gpu/drm/i915/i915_pmu.h +++ b/drivers/gpu/drm/i915/i915_pmu.h @@ -76,6 +76,10 @@ struct i915_pmu { * @lock: Lock protecting enable mask and ref count handling. */ spinlock_t lock; + /** + * @unparked: GT unparked mask. + */ + unsigned int unparked; /** * @timer: Timer for internal i915 PMU sampling. */ From patchwork Sat May 13 01:55:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umesh Nerlige Ramappa X-Patchwork-Id: 13240071 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 6E290C77B7C for ; Sat, 13 May 2023 01:56:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0ED5810E714; Sat, 13 May 2023 01:55:53 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id B74C310E08F for ; Sat, 13 May 2023 01:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683942949; x=1715478949; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=3+93WRwHTTVau2X2vTsKrl4S1s+RRBmZpfmVxoM4PoQ=; b=ia2jykjxDdi3jJLiPLQQJOOTc1n5fiH2qhOng3FRoMpkQz9F6eaZajCR nCsalY1nmQVZT9TT5tFOEzMau9/EJmDeFX4NsUe2/7Rs5KE2WFaqR8Dy4 rB5CkO7Vxv8xkd+XwcABpJV24zQTxcDD/Igjj7/r9vfV+07tcZs6Wjf2U qFu/V+XgGVD09uUYi1NP4IY+NejV3y++M4/7g3qeWW8q0xHCauPZS0xKV k77+j31U6csDxIBXNL003XuMtUmJYmrF7bGGSCm4qfqHfArDKlbORbWW4 pzWDa7XXpp8uA/Jxn53RxLtdiNCrwSWesVB6YPUPDqp5NtE5p7R3JIOxY Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="354054424" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="354054424" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="731017023" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="731017023" Received: from orsosgc001.jf.intel.com ([10.165.21.138]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 From: Umesh Nerlige Ramappa To: intel-gfx@lists.freedesktop.org, Tvrtko Ursulin , Ashutosh Dixit Date: Fri, 12 May 2023 18:55:44 -0700 Message-Id: <20230513015545.2807282-6-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> References: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 5/6] drm/i915/pmu: Prepare for multi-tile non-engine counters X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin Reserve some bits in the counter config namespace which will carry the tile id and prepare the code to handle this. No per tile counters have been added yet. v2: - Fix checkpatch issues - Use 4 bits for gt id in non-engine counters. Drop FIXME. - Set MAX GTs to 4. Drop FIXME. v3: (Ashutosh, Tvrtko) - Drop BUG_ON that would never fire - Make enable u64 - Pull in some code from next patch Signed-off-by: Tvrtko Ursulin Signed-off-by: Umesh Nerlige Ramappa Reviewed-by: Ashutosh Dixit --- drivers/gpu/drm/i915/i915_pmu.c | 148 +++++++++++++++++++++++--------- drivers/gpu/drm/i915/i915_pmu.h | 11 ++- include/uapi/drm/i915_drm.h | 17 +++- 3 files changed, 129 insertions(+), 47 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 725b01b00775..b3dd9e51c5cc 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -56,11 +56,21 @@ static bool is_engine_config(u64 config) return config < __I915_PMU_OTHER(0); } +static unsigned int config_gt_id(const u64 config) +{ + return config >> __I915_PMU_GT_SHIFT; +} + +static u64 config_counter(const u64 config) +{ + return config & ~(~0ULL << __I915_PMU_GT_SHIFT); +} + static unsigned int other_bit(const u64 config) { unsigned int val; - switch (config) { + switch (config_counter(config)) { case I915_PMU_ACTUAL_FREQUENCY: val = __I915_PMU_ACTUAL_FREQUENCY_ENABLED; break; @@ -78,7 +88,9 @@ static unsigned int other_bit(const u64 config) return -1; } - return I915_ENGINE_SAMPLE_COUNT + val; + return I915_ENGINE_SAMPLE_COUNT + + config_gt_id(config) * __I915_PMU_TRACKED_EVENT_COUNT + + val; } static unsigned int config_bit(const u64 config) @@ -104,10 +116,22 @@ static unsigned int event_bit(struct perf_event *event) return config_bit(event->attr.config); } +static u64 frequency_enabled_mask(void) +{ + unsigned int i; + u64 mask = 0; + + for (i = 0; i < I915_PMU_MAX_GTS; i++) + mask |= config_mask(__I915_PMU_ACTUAL_FREQUENCY(i)) | + config_mask(__I915_PMU_REQUESTED_FREQUENCY(i)); + + return mask; +} + static bool pmu_needs_timer(struct i915_pmu *pmu, bool gpu_active) { struct drm_i915_private *i915 = container_of(pmu, typeof(*i915), pmu); - u32 enable; + u64 enable; /* * Only some counters need the sampling timer. @@ -120,9 +144,7 @@ static bool pmu_needs_timer(struct i915_pmu *pmu, bool gpu_active) * Mask out all the ones which do not need the timer, or in * other words keep all the ones that could need the timer. */ - enable &= config_mask(I915_PMU_ACTUAL_FREQUENCY) | - config_mask(I915_PMU_REQUESTED_FREQUENCY) | - ENGINE_SAMPLE_MASK; + enable &= frequency_enabled_mask() | ENGINE_SAMPLE_MASK; /* * When the GPU is idle per-engine counters do not need to be @@ -164,9 +186,37 @@ static inline s64 ktime_since_raw(const ktime_t kt) return ktime_to_ns(ktime_sub(ktime_get_raw(), kt)); } +static unsigned int +__sample_idx(struct i915_pmu *pmu, unsigned int gt_id, int sample) +{ + unsigned int idx = gt_id * __I915_NUM_PMU_SAMPLERS + sample; + + GEM_BUG_ON(idx >= ARRAY_SIZE(pmu->sample)); + + return idx; +} + +static u64 read_sample(struct i915_pmu *pmu, unsigned int gt_id, int sample) +{ + return pmu->sample[__sample_idx(pmu, gt_id, sample)].cur; +} + +static void +store_sample(struct i915_pmu *pmu, unsigned int gt_id, int sample, u64 val) +{ + pmu->sample[__sample_idx(pmu, gt_id, sample)].cur = val; +} + +static void +add_sample_mult(struct i915_pmu *pmu, unsigned int gt_id, int sample, u32 val, u32 mul) +{ + pmu->sample[__sample_idx(pmu, gt_id, sample)].cur += mul_u32_u32(val, mul); +} + static u64 get_rc6(struct intel_gt *gt) { struct drm_i915_private *i915 = gt->i915; + const unsigned int gt_id = gt->info.id; struct i915_pmu *pmu = &i915->pmu; unsigned long flags; bool awake = false; @@ -181,7 +231,7 @@ static u64 get_rc6(struct intel_gt *gt) spin_lock_irqsave(&pmu->lock, flags); if (awake) { - pmu->sample[__I915_SAMPLE_RC6].cur = val; + store_sample(pmu, gt_id, __I915_SAMPLE_RC6, val); } else { /* * We think we are runtime suspended. @@ -190,14 +240,14 @@ static u64 get_rc6(struct intel_gt *gt) * on top of the last known real value, as the approximated RC6 * counter value. */ - val = ktime_since_raw(pmu->sleep_last); - val += pmu->sample[__I915_SAMPLE_RC6].cur; + val = ktime_since_raw(pmu->sleep_last[gt_id]); + val += read_sample(pmu, gt_id, __I915_SAMPLE_RC6); } - if (val < pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur) - val = pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur; + if (val < read_sample(pmu, gt_id, __I915_SAMPLE_RC6_LAST_REPORTED)) + val = read_sample(pmu, gt_id, __I915_SAMPLE_RC6_LAST_REPORTED); else - pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur = val; + store_sample(pmu, gt_id, __I915_SAMPLE_RC6_LAST_REPORTED, val); spin_unlock_irqrestore(&pmu->lock, flags); @@ -207,13 +257,20 @@ static u64 get_rc6(struct intel_gt *gt) static void init_rc6(struct i915_pmu *pmu) { struct drm_i915_private *i915 = container_of(pmu, typeof(*i915), pmu); - intel_wakeref_t wakeref; + struct intel_gt *gt; + unsigned int i; + + for_each_gt(gt, i915, i) { + intel_wakeref_t wakeref; + + with_intel_runtime_pm(gt->uncore->rpm, wakeref) { + u64 val = __get_rc6(gt); - with_intel_runtime_pm(to_gt(i915)->uncore->rpm, wakeref) { - pmu->sample[__I915_SAMPLE_RC6].cur = __get_rc6(to_gt(i915)); - pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur = - pmu->sample[__I915_SAMPLE_RC6].cur; - pmu->sleep_last = ktime_get_raw(); + store_sample(pmu, i, __I915_SAMPLE_RC6, val); + store_sample(pmu, i, __I915_SAMPLE_RC6_LAST_REPORTED, + val); + pmu->sleep_last[i] = ktime_get_raw(); + } } } @@ -221,8 +278,8 @@ static void park_rc6(struct intel_gt *gt) { struct i915_pmu *pmu = >->i915->pmu; - pmu->sample[__I915_SAMPLE_RC6].cur = __get_rc6(gt); - pmu->sleep_last = ktime_get_raw(); + store_sample(pmu, gt->info.id, __I915_SAMPLE_RC6, __get_rc6(gt)); + pmu->sleep_last[gt->info.id] = ktime_get_raw(); } static void __i915_pmu_maybe_start_timer(struct i915_pmu *pmu) @@ -362,34 +419,30 @@ engines_sample(struct intel_gt *gt, unsigned int period_ns) } } -static void -add_sample_mult(struct i915_pmu_sample *sample, u32 val, u32 mul) -{ - sample->cur += mul_u32_u32(val, mul); -} - -static bool frequency_sampling_enabled(struct i915_pmu *pmu) +static bool +frequency_sampling_enabled(struct i915_pmu *pmu, unsigned int gt) { return pmu->enable & - (config_mask(I915_PMU_ACTUAL_FREQUENCY) | - config_mask(I915_PMU_REQUESTED_FREQUENCY)); + (config_mask(__I915_PMU_ACTUAL_FREQUENCY(gt)) | + config_mask(__I915_PMU_REQUESTED_FREQUENCY(gt))); } static void frequency_sample(struct intel_gt *gt, unsigned int period_ns) { struct drm_i915_private *i915 = gt->i915; + const unsigned int gt_id = gt->info.id; struct i915_pmu *pmu = &i915->pmu; struct intel_rps *rps = >->rps; - if (!frequency_sampling_enabled(pmu)) + if (!frequency_sampling_enabled(pmu, gt_id)) return; /* Report 0/0 (actual/requested) frequency while parked. */ if (!intel_gt_pm_get_if_awake(gt)) return; - if (pmu->enable & config_mask(I915_PMU_ACTUAL_FREQUENCY)) { + if (pmu->enable & config_mask(__I915_PMU_ACTUAL_FREQUENCY(gt_id))) { u32 val; /* @@ -405,12 +458,12 @@ frequency_sample(struct intel_gt *gt, unsigned int period_ns) if (!val) val = intel_gpu_freq(rps, rps->cur_freq); - add_sample_mult(&pmu->sample[__I915_SAMPLE_FREQ_ACT], + add_sample_mult(pmu, gt_id, __I915_SAMPLE_FREQ_ACT, val, period_ns / 1000); } - if (pmu->enable & config_mask(I915_PMU_REQUESTED_FREQUENCY)) { - add_sample_mult(&pmu->sample[__I915_SAMPLE_FREQ_REQ], + if (pmu->enable & config_mask(__I915_PMU_REQUESTED_FREQUENCY(gt_id))) { + add_sample_mult(pmu, gt_id, __I915_SAMPLE_FREQ_REQ, intel_rps_get_requested_frequency(rps), period_ns / 1000); } @@ -444,9 +497,7 @@ static enum hrtimer_restart i915_sample(struct hrtimer *hrtimer) for_each_gt(gt, i915, i) { engines_sample(gt, period_ns); - - if (i == 0) /* FIXME */ - frequency_sample(gt, period_ns); + frequency_sample(gt, period_ns); } hrtimer_forward(hrtimer, now, ns_to_ktime(PERIOD)); @@ -488,7 +539,13 @@ config_status(struct drm_i915_private *i915, u64 config) { struct intel_gt *gt = to_gt(i915); - switch (config) { + unsigned int gt_id = config_gt_id(config); + unsigned int max_gt_id = HAS_EXTRA_GT_LIST(i915) ? 1 : 0; + + if (gt_id > max_gt_id) + return -ENOENT; + + switch (config_counter(config)) { case I915_PMU_ACTUAL_FREQUENCY: if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) /* Requires a mutex for sampling! */ @@ -499,6 +556,8 @@ config_status(struct drm_i915_private *i915, u64 config) return -ENODEV; break; case I915_PMU_INTERRUPTS: + if (gt_id) + return -ENOENT; break; case I915_PMU_RC6_RESIDENCY: if (!gt->rc6.supported) @@ -596,22 +655,27 @@ static u64 __i915_pmu_event_read(struct perf_event *event) val = engine->pmu.sample[sample].cur; } } else { - switch (event->attr.config) { + const unsigned int gt_id = config_gt_id(event->attr.config); + const u64 config = config_counter(event->attr.config); + + switch (config) { case I915_PMU_ACTUAL_FREQUENCY: val = - div_u64(pmu->sample[__I915_SAMPLE_FREQ_ACT].cur, + div_u64(read_sample(pmu, gt_id, + __I915_SAMPLE_FREQ_ACT), USEC_PER_SEC /* to MHz */); break; case I915_PMU_REQUESTED_FREQUENCY: val = - div_u64(pmu->sample[__I915_SAMPLE_FREQ_REQ].cur, + div_u64(read_sample(pmu, gt_id, + __I915_SAMPLE_FREQ_REQ), USEC_PER_SEC /* to MHz */); break; case I915_PMU_INTERRUPTS: val = READ_ONCE(pmu->irq_count); break; case I915_PMU_RC6_RESIDENCY: - val = get_rc6(to_gt(i915)); + val = get_rc6(i915->gt[gt_id]); break; case I915_PMU_SOFTWARE_GT_AWAKE_TIME: val = ktime_to_ns(intel_gt_get_awake_time(to_gt(i915))); diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h index 3a811266ac6a..ea2d24ef5664 100644 --- a/drivers/gpu/drm/i915/i915_pmu.h +++ b/drivers/gpu/drm/i915/i915_pmu.h @@ -38,13 +38,16 @@ enum { __I915_NUM_PMU_SAMPLERS }; +#define I915_PMU_MAX_GTS 4 + /* * How many different events we track in the global PMU mask. * * It is also used to know to needed number of event reference counters. */ #define I915_PMU_MASK_BITS \ - (I915_ENGINE_SAMPLE_COUNT + __I915_PMU_TRACKED_EVENT_COUNT) + (I915_ENGINE_SAMPLE_COUNT + \ + I915_PMU_MAX_GTS * __I915_PMU_TRACKED_EVENT_COUNT) #define I915_ENGINE_SAMPLE_COUNT (I915_SAMPLE_SEMA + 1) @@ -95,7 +98,7 @@ struct i915_pmu { * * Low bits are engine samplers and other events continue from there. */ - u32 enable; + u64 enable; /** * @timer_last: @@ -124,11 +127,11 @@ struct i915_pmu { * Only global counters are held here, while the per-engine ones are in * struct intel_engine_cs. */ - struct i915_pmu_sample sample[__I915_NUM_PMU_SAMPLERS]; + struct i915_pmu_sample sample[I915_PMU_MAX_GTS * __I915_NUM_PMU_SAMPLERS]; /** * @sleep_last: Last time GT parked for RC6 estimation. */ - ktime_t sleep_last; + ktime_t sleep_last[I915_PMU_MAX_GTS]; /** * @irq_count: Number of interrupts * diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index dba7c5a5b25e..d5ac1fdeb2b1 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -280,7 +280,16 @@ enum drm_i915_pmu_engine_sample { #define I915_PMU_ENGINE_SEMA(class, instance) \ __I915_PMU_ENGINE(class, instance, I915_SAMPLE_SEMA) -#define __I915_PMU_OTHER(x) (__I915_PMU_ENGINE(0xff, 0xff, 0xf) + 1 + (x)) +/* + * Top 4 bits of every non-engine counter are GT id. + */ +#define __I915_PMU_GT_SHIFT (60) + +#define ___I915_PMU_OTHER(gt, x) \ + (((__u64)__I915_PMU_ENGINE(0xff, 0xff, 0xf) + 1 + (x)) | \ + ((__u64)(gt) << __I915_PMU_GT_SHIFT)) + +#define __I915_PMU_OTHER(x) ___I915_PMU_OTHER(0, x) #define I915_PMU_ACTUAL_FREQUENCY __I915_PMU_OTHER(0) #define I915_PMU_REQUESTED_FREQUENCY __I915_PMU_OTHER(1) @@ -290,6 +299,12 @@ enum drm_i915_pmu_engine_sample { #define I915_PMU_LAST /* Deprecated - do not use */ I915_PMU_RC6_RESIDENCY +#define __I915_PMU_ACTUAL_FREQUENCY(gt) ___I915_PMU_OTHER(gt, 0) +#define __I915_PMU_REQUESTED_FREQUENCY(gt) ___I915_PMU_OTHER(gt, 1) +#define __I915_PMU_INTERRUPTS(gt) ___I915_PMU_OTHER(gt, 2) +#define __I915_PMU_RC6_RESIDENCY(gt) ___I915_PMU_OTHER(gt, 3) +#define __I915_PMU_SOFTWARE_GT_AWAKE_TIME(gt) ___I915_PMU_OTHER(gt, 4) + /* Each region is a minimum of 16k, and there are at most 255 of them. */ #define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use From patchwork Sat May 13 01:55:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umesh Nerlige Ramappa X-Patchwork-Id: 13240067 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 72650C7EE24 for ; Sat, 13 May 2023 01:55:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CE80410E707; Sat, 13 May 2023 01:55:51 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id E06B610E707 for ; Sat, 13 May 2023 01:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683942949; x=1715478949; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=oo3QnetPNo70i7nMJsUorvIGRz+tB0fXF48/RMOfDDU=; b=BSoV1s+FC279TIG1fpwqO3TNsTtH53cgOqW04ZYqz8NWajjWiC+ZXrjB sPQNZH8eGlGNDbswMocvsWlnUzkgGVHi/kC7yxMRKLFzAeB7qPZA38yRY 4PHz2Cs+n3fMMUq3sT//lWn+CbKmAyoRLNK+XEdzXb/3n4ZQIkknbAX8Z TPr+wHJpHP59icdat2TeqVmMWWv8avWGEsYGNay03joKfNQ0l5pbM2+hP bFJkU5xJKRimmXh67iCuteTPwHk7vWihyX9OudDEHRym0qTF3w/88SASY oWpdE+4jugFUW1TOQu1WBwOsdZKNvB/FRDMpRNtFCin8pjuU8bE7IcFoT A==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="354054425" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="354054425" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="731017025" X-IronPort-AV: E=Sophos;i="5.99,271,1677571200"; d="scan'208";a="731017025" Received: from orsosgc001.jf.intel.com ([10.165.21.138]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 18:55:48 -0700 From: Umesh Nerlige Ramappa To: intel-gfx@lists.freedesktop.org, Tvrtko Ursulin , Ashutosh Dixit Date: Fri, 12 May 2023 18:55:45 -0700 Message-Id: <20230513015545.2807282-7-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> References: <20230513015545.2807282-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 6/6] drm/i915/pmu: Export counters from all tiles X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin Start exporting frequency and RC6 counters from all tiles. Existing counters keep their names and config values and new one use the namespace added in the previous patch, with the "-gtN" added to their names. Interrupts counter is an odd one off. Because it is the global device counters (not only GT) we choose not to add per tile versions for now. Signed-off-by: Tvrtko Ursulin Signed-off-by: Aravind Iddamsetty Signed-off-by: Umesh Nerlige Ramappa --- drivers/gpu/drm/i915/i915_pmu.c | 82 ++++++++++++++++++++++----------- 1 file changed, 55 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index b3dd9e51c5cc..12345fd0b2cd 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -927,11 +927,20 @@ static const struct attribute_group i915_pmu_cpumask_attr_group = { .attrs = i915_cpumask_attrs, }; -#define __event(__config, __name, __unit) \ +#define __event(__counter, __name, __unit) \ { \ - .config = (__config), \ + .counter = (__counter), \ .name = (__name), \ .unit = (__unit), \ + .global = false, \ +} + +#define __global_event(__counter, __name, __unit) \ +{ \ + .counter = (__counter), \ + .name = (__name), \ + .unit = (__unit), \ + .global = true, \ } #define __engine_event(__sample, __name) \ @@ -970,15 +979,16 @@ create_event_attributes(struct i915_pmu *pmu) { struct drm_i915_private *i915 = container_of(pmu, typeof(*i915), pmu); static const struct { - u64 config; + unsigned int counter; const char *name; const char *unit; + bool global; } events[] = { - __event(I915_PMU_ACTUAL_FREQUENCY, "actual-frequency", "M"), - __event(I915_PMU_REQUESTED_FREQUENCY, "requested-frequency", "M"), - __event(I915_PMU_INTERRUPTS, "interrupts", NULL), - __event(I915_PMU_RC6_RESIDENCY, "rc6-residency", "ns"), - __event(I915_PMU_SOFTWARE_GT_AWAKE_TIME, "software-gt-awake-time", "ns"), + __event(0, "actual-frequency", "M"), + __event(1, "requested-frequency", "M"), + __global_event(2, "interrupts", NULL), + __event(3, "rc6-residency", "ns"), + __event(4, "software-gt-awake-time", "ns"), }; static const struct { enum drm_i915_pmu_engine_sample sample; @@ -993,12 +1003,17 @@ create_event_attributes(struct i915_pmu *pmu) struct i915_ext_attribute *i915_attr = NULL, *i915_iter; struct attribute **attr = NULL, **attr_iter; struct intel_engine_cs *engine; - unsigned int i; + struct intel_gt *gt; + unsigned int i, j; /* Count how many counters we will be exposing. */ - for (i = 0; i < ARRAY_SIZE(events); i++) { - if (!config_status(i915, events[i].config)) - count++; + for_each_gt(gt, i915, j) { + for (i = 0; i < ARRAY_SIZE(events); i++) { + u64 config = ___I915_PMU_OTHER(j, events[i].counter); + + if (!config_status(i915, config)) + count++; + } } for_each_uabi_engine(engine, i915) { @@ -1028,26 +1043,39 @@ create_event_attributes(struct i915_pmu *pmu) attr_iter = attr; /* Initialize supported non-engine counters. */ - for (i = 0; i < ARRAY_SIZE(events); i++) { - char *str; - - if (config_status(i915, events[i].config)) - continue; - - str = kstrdup(events[i].name, GFP_KERNEL); - if (!str) - goto err; + for_each_gt(gt, i915, j) { + for (i = 0; i < ARRAY_SIZE(events); i++) { + u64 config = ___I915_PMU_OTHER(j, events[i].counter); + char *str; - *attr_iter++ = &i915_iter->attr.attr; - i915_iter = add_i915_attr(i915_iter, str, events[i].config); + if (config_status(i915, config)) + continue; - if (events[i].unit) { - str = kasprintf(GFP_KERNEL, "%s.unit", events[i].name); + if (events[i].global || !HAS_EXTRA_GT_LIST(i915)) + str = kstrdup(events[i].name, GFP_KERNEL); + else + str = kasprintf(GFP_KERNEL, "%s-gt%u", + events[i].name, j); if (!str) goto err; - *attr_iter++ = &pmu_iter->attr.attr; - pmu_iter = add_pmu_attr(pmu_iter, str, events[i].unit); + *attr_iter++ = &i915_iter->attr.attr; + i915_iter = add_i915_attr(i915_iter, str, config); + + if (events[i].unit) { + if (events[i].global || !HAS_EXTRA_GT_LIST(i915)) + str = kasprintf(GFP_KERNEL, "%s.unit", + events[i].name); + else + str = kasprintf(GFP_KERNEL, "%s-gt%u.unit", + events[i].name, j); + if (!str) + goto err; + + *attr_iter++ = &pmu_iter->attr.attr; + pmu_iter = add_pmu_attr(pmu_iter, str, + events[i].unit); + } } }