From patchwork Mon Apr 27 01:06:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wu, Hao" X-Patchwork-Id: 11511061 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 160B81392 for ; Mon, 27 Apr 2020 01:28:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08804206A5 for ; Mon, 27 Apr 2020 01:28:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726323AbgD0B2l (ORCPT ); Sun, 26 Apr 2020 21:28:41 -0400 Received: from mga01.intel.com ([192.55.52.88]:7235 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726186AbgD0B2l (ORCPT ); Sun, 26 Apr 2020 21:28:41 -0400 IronPort-SDR: sdfhW7e5DVaNfpK9ALhIw1kR1t9/vGKWZOdL7/qyRGp5dcNla9wonJP4Bvsl9MRba38gl5bJMc Tq3aedzKVzOQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2020 18:28:40 -0700 IronPort-SDR: jhm8ZNG/VEGtwVKT4QNRNsKMaqzmn7DEYKZUp+4A3ZUQvdUU4zZbBrIoloGIrKsFg7C900ps5B 3EVmfHEu8MsQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,321,1583222400"; d="scan'208";a="257060223" Received: from hao-dev.bj.intel.com ([10.238.157.66]) by orsmga003.jf.intel.com with ESMTP; 26 Apr 2020 18:28:21 -0700 From: Wu Hao To: will@kernel.org, mdf@kernel.org, mark.rutland@arm.com, gregkh@linuxfoundation.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-api@vger.kernel.org, atull@kernel.org, yilun.xu@intel.com, trix@redhat.com, bhu@redhat.com, rdunlap@infradead.org, Wu Hao Subject: [PATCH v10 0/2] add performance reporting support to FPGA DFL drivers Date: Mon, 27 Apr 2020 09:06:21 +0800 Message-Id: <1587949583-12058-1-git-send-email-hao.wu@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-fpga-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.org Hi all, This patchset adds performance reporting support for FPGA DFL drivers. It introduces one pmu to expose userspace interfaces via standard perf API. User could use standard perf tool to access perf events exposed via pmu. Main changes from v9: - fix Randy's comments on documentation in patch #1. Main changes from v8: - rebase against 5.7-rc1. Main changes from v7: - rename pmu name from "fme%d" to "dfl_fme%d". - monitor cpu hotplug for cpumask sysfs and update cpumask sysfs doc. - add extra read for 64bit counter registers to avoid 2-32bit readl issue. Main changes from v6: - add a new ABI/testing/ sysfs documentation in patch #2. - fix a warning reported by kbuild in patch #2. Main changes from v5: - use dev_ext_attribute instead of fme_perf_event_attr. - use is_visible function to decide which events to expose per hardware capability, and add event_init checking for all events. Main changes from v4: - rebase and clean up. - update Kconfig for PERF_EVENTS dependency. Main changes from v3: - add more descriptions in doc, including how to use perf tool for these hardware counters. (patch #1) - use standard perf API instead of sysfs entries. (patch #2) Wu Hao (1): fpga: dfl: fme: add performance reporting support Xu Yilun (1): Documentation: fpga: dfl: add description for performance reporting support .../testing/sysfs-bus-event_source-devices-dfl_fme | 104 ++ Documentation/fpga/dfl.rst | 84 ++ drivers/fpga/Kconfig | 2 +- drivers/fpga/Makefile | 1 + drivers/fpga/dfl-fme-main.c | 4 + drivers/fpga/dfl-fme-perf.c | 1020 ++++++++++++++++++++ drivers/fpga/dfl-fme.h | 2 + drivers/fpga/dfl.h | 2 + 8 files changed, 1218 insertions(+), 1 deletion(-) create mode 100644 Documentation/ABI/testing/sysfs-bus-event_source-devices-dfl_fme create mode 100644 drivers/fpga/dfl-fme-perf.c