Avoid grouping events especially in cases where the kernel's PMU
driver fails to not open the events, causing the events to report back
as "<not counted>".

This update comes from:

  https://github.com/intel/perfmon/pull/94

Fixes issues reported with patch:

  https://lore.kernel.org/lkml/20230719001836.198363-3-irogers@google.com/Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20230801053634.1142634-5-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>