System-wide events do not have threads, so do not propagate threads to
them.
Signed-off-by: NAdrian Hunter <adrian.hunter@intel.com>
Acked-by: NIan Rogers <irogers@google.com>
Acked-by: NNamhyung Kim <namhyung@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220524075436.29144-16-adrian.hunter@intel.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>