From patchwork Thu May 18 17:24:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 100114 Delivered-To: patch@linaro.org Received: by 10.140.96.100 with SMTP id j91csp825555qge; Thu, 18 May 2017 10:25:33 -0700 (PDT) X-Received: by 10.98.133.88 with SMTP id u85mr5691235pfd.211.1495128333725; Thu, 18 May 2017 10:25:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1495128333; cv=none; d=google.com; s=arc-20160816; b=Dr1LQcZFa/y0wlYnpVEaANvN80mei56YIhBT8leDR8skefSJIPob2jAZJnXpU+1cVZ 44L1YKJZPETKz/uf8KQA5r352AOKnUzyqe6QJmyvw4RENf8E1Cx5gWnY4/dwB/RteZOQ xR9iaK3CJnYTaWha2fzTO23+kTIa11/858Stulq/XTxH05uUrYnaUdILgMEKTfpWpdO0 M6+6JSgkUQWvlPF0eiJrSEu+snDYrCph6nlpJ28LKbbksUQwSDUiiLnDWF7mP8+Bg8j1 xyRrgA1uc7TcSZ+c4ySb0zwcMihcCuQ3E9oM6waPELSZ4I/Jj2m7rn9WcXxBaQ5+fSyd zVRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=OBcY+rsxQ6oam/XOyyQf4whcAo0l6IdntREKXOtOq7Y=; b=v/dC17hL1B/h8U09P5y8WN+N181KIspaGu0fqmFLsaRNFegTl3JiEzGl/0u+h/ewuk RoFJpoCFAAeK0aD9zE4sGI8Q3w/hvTwqWt1sPaEFU0Ye0Z0FZ/pxRmez+KBwjvy/agCE AF6uNZsWAMv2MDnJH0bK5280p0q5NZqDWnm2kNDC5WJ4VVqGUO/N80m2VFbc9u14JdMp T3gFef4Kv1qFbrxrsNqBUbihRdP8p3Nxan/uYVpD5llie/blJKQh59xDsTrNTnArHEJH 6AZOix/fPOWAcRAY3fiBm6rXun5na7QKYPSdqyblQNOn8+JRe6DnReD4HpqZPvTpIT5G yLwg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l22si1436870pgu.27.2017.05.18.10.25.33; Thu, 18 May 2017 10:25:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964801AbdERRZP (ORCPT + 25 others); Thu, 18 May 2017 13:25:15 -0400 Received: from foss.arm.com ([217.140.101.70]:34676 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932935AbdERRYf (ORCPT ); Thu, 18 May 2017 13:24:35 -0400 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 72573344; Thu, 18 May 2017 10:24:34 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 41C133F41F; Thu, 18 May 2017 10:24:34 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id B9B231AE38BF; Thu, 18 May 2017 18:24:34 +0100 (BST) From: Will Deacon To: linux-arm-kernel@lists.infradead.org Cc: marc.zyngier@arm.com, mark.rutland@arm.com, kim.phillips@arm.com, tglx@linutronix.de, peterz@infradead.org, alexander.shishkin@linux.intel.com, robh@kernel.org, suzuki.poulose@arm.com, pawel.moll@arm.com, mathieu.poirier@linaro.org, mingo@redhat.com, linux-kernel@vger.kernel.org, Will Deacon Subject: [PATCH v3 0/5] Add support for the ARMv8.2 Statistical Profiling Extension Date: Thu, 18 May 2017 18:24:28 +0100 Message-Id: <1495128273-13941-1-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This is the fifth posting of the patches previously posted here: rfcv1: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-January/476450.html rfcv2: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-January/479387.html v1: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-January/483684.html v2: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-April/499938.html Changes since v2 include: * Rebased onto v4.12-rc1, which includes some rework to AUX flag handling * Removed VHE-dependent exclude_hv support in light of recent change to CPU PMU code [1] The architecture documentation is available here: https://developer.arm.com/products/architecture/a-profile/docs/ddi0586/latest/arm-architecture-reference-manual-supplement-statistical-profiling-extension-for-armv8-a and there's a high-level overview on this official ARM blog: https://community.arm.com/processors/b/blog/posts/statistical-profiling-extension-for-armv8-a All comments welcome, Will [1] http://lkml.kernel.org/r/1493742574-25955-1-git-send-email-ganapatrao.kulkarni@cavium.com --->8 Will Deacon (5): genirq: export irq_get_percpu_devid_partition to modules perf/core: Export AUX buffer helpers to modules perf/core: Add PERF_AUX_FLAG_COLLISION to report colliding samples drivers/perf: Add support for ARMv8.2 Statistical Profiling Extension dt-bindings: Document devicetree binding for ARM SPE Documentation/devicetree/bindings/arm/spe-pmu.txt | 20 + drivers/perf/Kconfig | 8 + drivers/perf/Makefile | 1 + drivers/perf/arm_spe_pmu.c | 1246 +++++++++++++++++++++ include/uapi/linux/perf_event.h | 1 + kernel/events/ring_buffer.c | 4 + kernel/irq/irqdesc.c | 1 + 7 files changed, 1281 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/spe-pmu.txt create mode 100644 drivers/perf/arm_spe_pmu.c -- 2.1.4