Received: by 10.213.65.68 with SMTP id h4csp2322802imn; Mon, 2 Apr 2018 05:35:42 -0700 (PDT) X-Google-Smtp-Source: AIpwx49bWney/iYS/UeTAt7Yd8Wpb4Zj5o9SBE47HX+xu3UicEBqpY9LeIJFwcKndyao+mxB2lNn X-Received: by 10.99.103.71 with SMTP id b68mr1688278pgc.60.1522672542022; Mon, 02 Apr 2018 05:35:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522672541; cv=none; d=google.com; s=arc-20160816; b=0IAz7zfk9zV6BdLxm+j6PJUvAQ2MYzMhUU8Jv8U5iCiJkp+F7y9H0W3cJ8Zh17NKP/ GIqHP+QAoXpp+J03hR1f1wgCDDyphP25b2d7u5IiM98aWea57posMMLPFll1RtmLAVhr TXfkb0vB9roAHbF3Ve8ge1eOJ8PvMn2ql4veIMd3xORigLNSABaVUyu63iYLKBeaKA5k UTtKTMeMzb4ESYYwENMRnnecrQ/VEFJS9unD+iW3Bhc+U8xrwz9zE8AzQLCg7eaHkgfl R113Evke9zHUrjSm2HpB09AVeelGd7HVG9LavDFRVhVv8dd9lYP3FzLqKi6KyxzORe8p 2lKg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:to :from:date:arc-authentication-results; bh=Lp/38GyKfFQZ4D4mpeFe/mI5EwOtJQpenk3GOBNFl8A=; b=0XLBa4ZZgeSiIwOHkIN9zVdCmXxz65iodhZBUqTDmfgPTkcl+5g1mq2K3YoK9oYBIi eDOXpM1Obd89eHuNJ2KizLvmOIausX8Y/5h43vrLykICUlekCVAhbsHcUiwQqZKIeMxd kuio8CQiePsl3UE7yX3LMRXJH4gXezzfSPy3hCtPStoMEqARotowxRHzI/IJdU58Yg/j 0WkWOfWX96BE1P0bPzB3JGdsVENKxIZx2B45IaM+NqY73a0a5QyPM0Fc0sigCrT0Hy+q 6ucpXUYBnCgr8mJk5KCyoFFnmIHIKSJPFvd5g6FEr6h1Jc6FP3oqw4iUWHKMt9z7bRMv lnlw== 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 s10si167698pgc.129.2018.04.02.05.35.28; Mon, 02 Apr 2018 05:35:41 -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 S1751709AbeDBMeP (ORCPT + 99 others); Mon, 2 Apr 2018 08:34:15 -0400 Received: from exmail.andestech.com ([59.124.169.137]:59714 "EHLO ATCSQR.andestech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751237AbeDBMeM (ORCPT ); Mon, 2 Apr 2018 08:34:12 -0400 Received: from mail.andestech.com (atcpcs16.andestech.com [10.0.1.222]) by ATCSQR.andestech.com with ESMTP id w32CT1cr097414; Mon, 2 Apr 2018 20:29:01 +0800 (GMT-8) (envelope-from alankao@andestech.com) Received: from andestech.com (10.0.1.85) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.123.3; Mon, 2 Apr 2018 20:34:02 +0800 Date: Mon, 2 Apr 2018 20:34:03 +0800 From: Alan Kao To: Palmer Dabbelt , Albert Ou , "Peter Zijlstra" , Ingo Molnar , "Arnaldo Carvalho de Melo" , Alexander Shishkin , Jiri Olsa , "Namhyung Kim" , Alex Solomatnikov , "Jonathan Corbet" , , , Subject: Re: [PATCH v2 0/2] perf: riscv: Preliminary Perf Event Support on RISC-V Message-ID: <20180402123403.GA30097@andestech.com> References: <1522672284-29593-1-git-send-email-alankao@andestech.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1522672284-29593-1-git-send-email-alankao@andestech.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Originating-IP: [10.0.1.85] X-DNSRBL: X-MAIL: ATCSQR.andestech.com w32CT1cr097414 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sorry for the lack of version prefix in the title. This patchset should be version 2. On Mon, Apr 02, 2018 at 08:31:22PM +0800, Alan Kao wrote: > This implements the baseline PMU for RISC-V platforms. > > To ease future PMU portings, a guide is also written, containing > perf concepts, arch porting practices and some hints. > > Changes in v2: > - Fix the bug reported by Alex, which was caused by not sufficient > initialization. Check https://lkml.org/lkml/2018/3/31/251 for the > discussion. > > Alan Kao (2): > perf: riscv: preliminary RISC-V support > perf: riscv: Add Document for Future Porting Guide > > Documentation/riscv/pmu.txt | 249 +++++++++++++++++++ > arch/riscv/Kconfig | 12 + > arch/riscv/include/asm/perf_event.h | 76 +++++- > arch/riscv/kernel/Makefile | 1 + > arch/riscv/kernel/perf_event.c | 468 ++++++++++++++++++++++++++++++++++++ > 5 files changed, 802 insertions(+), 4 deletions(-) > create mode 100644 Documentation/riscv/pmu.txt > create mode 100644 arch/riscv/kernel/perf_event.c > > -- > 2.16.2 >