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perf intel-pt: Fix system_wide dummy event for hybrid
commit6cef7dab3e
upstream. User space tasks can migrate between CPUs, so when tracing selected CPUs, system-wide sideband is still needed, however evlist->core.has_user_cpus is not set in the hybrid case, so check the target cpu_list instead. Fixes:7d189cadbe
("perf intel-pt: Track sideband system-wide when needed") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20221012082259.22394-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -871,7 +871,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
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* User space tasks can migrate between CPUs, so when tracing
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* selected CPUs, sideband for all CPUs is still needed.
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*/
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need_system_wide_tracking = evlist->core.has_user_cpus &&
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need_system_wide_tracking = opts->target.cpu_list &&
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!intel_pt_evsel->core.attr.exclude_user;
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tracking_evsel = evlist__add_aux_dummy(evlist, need_system_wide_tracking);
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