libperf: Add group support to perf_evsel__open()
Add support to set group_fd in perf_evsel__open() and make it follow the group setup. Signed-off-by:Jiri Olsa <jolsa@kernel.org> Requested-by:
Shunsuke Nakamura <nakamura.shun@fujitsu.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210706151704.73662-7-jolsa@kernel.org Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
parent
c47a5599
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