Ping for update What is the status of this feature?
04/05/2023 10:02, David Marchand: > Hello Tomasz, > > On Thu, Feb 16, 2023 at 6:55 PM Tomasz Duszynski <tduszyn...@marvell.com> > wrote: > > > > 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 advantages when application runs on > > isolated cores running dedicated tasks. > > > > 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. > > > > Tomasz Duszynski (4): > > lib: add generic support for reading PMU events > > pmu: support reading ARM PMU events in runtime > > pmu: support reading Intel x86_64 PMU events in runtime > > eal: add PMU support to tracing library > > There are still some pending comments on this series and it can't be > merged until they get sorted out. > > I noted two points : > - Konstantin asked for better explanations in the implementation. > - He also pointed out at using this feature with non EAL lcores. > > Could you work on this so we can consider this series for v23.07?
