> From: Tomasz Duszynski [mailto:tduszyn...@marvell.com] > 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 <m...@smartsharesystems.com>
