[6.6-velinux] Intel: Backport PMU support and dependency for CWF platform

[x56Jason]

Description

This is to backport PMU core/uncore/tool upstream patches for CWF platform.

Test

• core PMU perf counting test

[root@cwf linux]# tools/perf/perf stat -a sleep 1
Performance counter stats for 'system wide':

        491,357.35 msec cpu-clock                        #  482.195 CPUs utilized
             2,471      context-switches                 #    5.029 /sec
               481      cpu-migrations                   #    0.979 /sec
                88      page-faults                      #    0.179 /sec
       650,502,887      cycles                           #    0.001 GHz
       185,129,269      instructions                     #    0.28  insn per cycle
        37,198,246      branches                         #   75.705 K/sec
           216,984      branch-misses                    #    0.58% of all branches

       1.019001085 seconds time elapsed

• core PMU perf recording tests (fixed and GP counters) pass.

[root@cwf linux]# tools/perf/perf record -e instructions -Iax,bx -b -c 100000 sleep 1
[ perf record: Woken up 2 times to write data ]
[ perf record: Captured and wrote 0.047 MB perf.data (27 samples) ]

[root@cwf linux]# tools/perf/perf record -e branches -Iax,bx -b -c 10000 sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.066 MB perf.data (60 samples) ]

• uncore devices can be seen in sysfs

[root@cwf linux]# ls /sys/devices/* | grep uncore

• uncore PMU perf counting tests pass.

[root@cwf linux]# tools/perf/perf stat -e uncore_upi/event=0x1/,uncore_cha/event=0x1/,uncore_imc/event=0x1/ -a sleep 1
Performance counter stats for 'system wide':

    25,144,619,084      uncore_upi/event=0x1/
   109,517,186,568      uncore_cha/event=0x1/
    22,178,643,523      uncore_imc/event=0x1/

       1.004042980 seconds time elapsed

• CWF specific perf event counting test pass.

[root@cwf linux]# tools/perf/perf stat -e LONGEST_LAT_CACHE.MISS,LONGEST_LAT_CACHE.REFERENCE -a sleep 1
Performance counter stats for 'system wide':

           825,684      LONGEST_LAT_CACHE.MISS
        11,596,700      LONGEST_LAT_CACHE.REFERENCE

       1.014799623 seconds time elapsed

• CWF specific perf event sampling test pass.

[root@cwf linux]# tools/perf/perf record -e LONGEST_LAT_CACHE.MISS,LONGEST_LAT_CACHE.REFERENCE -c 10000 -a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.852 MB perf.data (1082 samples) ]

• GNR TPMI based RAPL PMU events available

$ perf list | grep -i energy
      power/energy-pkg/                                  [Kernel PMU event]
      power/energy-ram/                                  [Kernel PMU event]