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 <[email protected]>
Do you have a link to this review, please? Will
