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Currently __die_find_scope_cb() goes to check siblings when the DIE doesn't include the given PC. However namespaces don't have a PC and could contain children that have that PC. When we encounter a namespace, we should check both its children and siblings. Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Zecheng Li <zecheng@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Xu Liu <xliuprof@google.com> Link: https://lore.kernel.org/r/20250825195817.226560-1-zecheng@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>