perf record: Always get text_poke events with --kcore option

kcore provides a copy of the running kernel including any modified code.
A trace that benefits from that also benefits from text_poke events, so
enable them.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220610113316.6682-2-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-record.c

@@ -3805,6 +3805,9 @@ int cmd_record(int argc, const char **argv)
 		goto out_opts;
 	}
 
+	if (rec->opts.kcore)
+		rec->opts.text_poke = true;
+
 	if (rec->opts.kcore || record__threads_enabled(rec))
 		rec->data.is_dir = true;