perf test: Add pmu-events sys event support

mainline inclusion
from mainline-v5.15-rc1
commit 8ee465a1
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I63VF5
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=8ee465a181d0100533c6039bbbcea5517a049aec



--------------------------------------------------------------------------

Add support for system events, along with core and uncore events.

Support for a sample PMU is also added.

Signed-off-by: John Garry <john.garry@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linuxarm@huawei.com
Link: https //lore.kernel.org/r/1627566986-30605-12-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Junhao He <hejunhao3@huawei.com>