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SubjectRe: [PATCH v8 0/2] add performance reporting support to FPGA DFL drivers
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

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