From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Date: Mon, 9 Mar 2020 15:47:58 +0800 From: Wu Hao Subject: Re: [PATCH v8 0/2] add performance reporting support to FPGA DFL drivers Message-ID: <20200309074758.GA4295@hao-dev> References: <1582503707-10737-1-git-send-email-hao.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1582503707-10737-1-git-send-email-hao.wu@intel.com> To: mdf@kernel.org, will@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 List-ID: Hi Will, Just a gentle ping. Do you have Any comments to this new version? Hao On Mon, Feb 24, 2020 at 08:21:45AM +0800, Wu Hao wrote: > 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. > > This patchset is generated based on 5.6-rc2. > > 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 | 1021 ++++++++++++++++++++ > drivers/fpga/dfl-fme.h | 2 + > drivers/fpga/dfl.h | 2 + > 8 files changed, 1219 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 > > -- > 1.8.3.1