Messages in this thread | | | Date | Thu, 8 Apr 2021 10:01:57 +0100 | From | Jonathan Cameron <> | Subject | Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU |
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On Wed, 7 Apr 2021 21:40:05 +0100 Will Deacon <will@kernel.org> wrote:
> On Wed, Apr 07, 2021 at 05:49:02PM +0800, Qi Liu wrote: > > PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported > > to sample bandwidth, latency, buffer occupation etc. > > > > Each PMU RCiEP device monitors multiple root ports, and each RCiEP is > > registered as a pmu in /sys/bus/event_source/devices, so users can > > select target PMU, and use filter to do further sets. > > > > Filtering options contains: > > event - select the event. > > subevent - select the subevent. > > port - select target root ports. Information of root ports > > are shown under sysfs. > > bdf - select requester_id of target EP device. > > trig_len - set trigger condition for starting event statistics. > > trigger_mode - set trigger mode. 0 means starting to statistic when > > bigger than trigger condition, and 1 means smaller. > > thr_len - set threshold for statistics. > > thr_mode - set threshold mode. 0 means count when bigger than > > threshold, and 1 means smaller. > > > > Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > > Do you have a link to this review, please?
Internal review, so drop the tag.
Jonathan
> > Will > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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