Does anyone know how to read intel "uncore events" by perf tools?
I used to exploit some commands to read core's performance counters like below.
- perf stat -e cpu/event=0xd3,umask=0x01/pp <command>
But, I am sure how to read uncore events such as Ingress_occupancy on CHA.
when I try to a command like below, it doesn't work well..
- perf state -e uncore_cha_0/event=0x11,umask=0x01 <command>
Note that I am using Knights Landing machine.
Is there any idea?