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perf intel-pt: Fix system_wide dummy event for hybrid
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: 7d189ca ("perf intel-pt: Track sideband system-wide when needed") Signed-off-by: Adrian Hunter <[email protected]> Acked-by: Namhyung Kim <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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tools/perf/arch/x86/util/intel-pt.c

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@@ -866,7 +866,7 @@ 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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