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perf trace: No need to enable evsels for workload started from perf
As they will have perf_event_attr.enable_on_exec set, starting as soon as we exec() the workload. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-vmj3f6o3vxrg7mrdipts09li@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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1 changed files with 2 additions and 2 deletions
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@ -2109,10 +2109,10 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
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if (err < 0)
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goto out_error_mmap;
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perf_evlist__enable(evlist);
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if (forks)
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perf_evlist__start_workload(evlist);
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else
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perf_evlist__enable(evlist);
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trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1;
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again:
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