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: 7d189cadbeebc778 ("perf intel-pt: Track sideband system-wide when needed")
Signed-off-by: Adrian Hunter <[e-mail]>
Acked-by: Namhyung Kim <[e-mail]>
Cc: Adrian Hunter <[e-mail]>
Cc: Ian Rogers <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/arch/x86/util/intel-pt.c

···
 		 * User space tasks can migrate between CPUs, so when tracing
 		 * selected CPUs, sideband for all CPUs is still needed.
 		 */
-		need_system_wide_tracking = evlist->core.has_user_cpus &&
+		need_system_wide_tracking = opts->target.cpu_list &&
 					    !intel_pt_evsel->core.attr.exclude_user;
 
 		tracking_evsel = evlist__add_aux_dummy(evlist, need_system_wide_tracking);