Hi Morten, >-----Original Message----- >From: Morten Brørup <[email protected]> >Sent: Wednesday, February 1, 2023 2:51 PM >To: Tomasz Duszynski <[email protected]>; [email protected] >Cc: [email protected]; [email protected]; >[email protected]; Jerin Jacob >Kollanukkaran <[email protected]>; [email protected]; >[email protected]; >[email protected] >Subject: [EXT] RE: [PATCH v7 0/4] add support for self monitoring > >External Email > >---------------------------------------------------------------------- >> From: Tomasz Duszynski [mailto:[email protected]] >> Sent: Wednesday, 1 February 2023 14.18 >> >> This series adds self monitoring support i.e allows to configure and >> read performance measurement unit (PMU) counters in runtime without >> using perf utility. This has certain adventages when application runs >> on isolated cores with nohz_full kernel parameter. >> >> Events can be read directly using rte_pmu_read() or using dedicated >> tracepoint rte_eal_trace_pmu_read(). The latter will cause events to >> be stored inside CTF file. >> >> By design, all enabled events are grouped together and the same group >> is attached to lcores that use self monitoring funtionality. >> >> Events are enabled by names, which need to be read from standard >> location under sysfs i.e >> >> /sys/bus/event_source/devices/PMU/events >> >> where PMU is a core pmu i.e one measuring cpu events. As of today raw >> events are not supported. > >I like the modifications in v7. > >Series-acked-by: Morten Brørup <[email protected]>
Thanks.
