perf test: Add test for Intel TPEBS counting mode

Intel TPEBS sampling mode is supported through perf record. The counting mode
code uses perf record to capture retire_latency value and use it in metric
calculation. This test checks the counting mode code on Intel platforms.

Committer testing:

  root@x1:~# perf test tpebs
  123: test Intel TPEBS counting mode                                  : Ok
  root@x1:~# set -o vi
  root@x1:~# perf test tpebs
  123: test Intel TPEBS counting mode                                  : Ok
  root@x1:~# perf test -v tpebs
  123: test Intel TPEBS counting mode                                  : Ok
  root@x1:~# perf test -vvv tpebs
  123: test Intel TPEBS counting mode:
  --- start ---
  test child forked, pid 16603
  Testing without --record-tpebs
  Testing with --record-tpebs
  ---- end(0) ----
  123: test Intel TPEBS counting mode                                  : Ok
  root@x1:~#

Reviewed-by: Namhyung Kim <[email protected]>
Signed-off-by: Weilin Wang <[email protected]>
Acked-by: Ian Rogers <[email protected]>
Tested-by: Arnaldo Carvalho de Melo <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Caleb Biggers <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Perry Taylor <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Samantha Alt <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

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