perf intel-pt: Move synth_opts initialization earlier

Move synth_opts initialization earlier, so it can be used earlier.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210430070309.17624-3-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/intel-pt.c

@@ -3479,6 +3479,20 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
 
 	intel_pt_log_set_name(INTEL_PT_PMU_NAME);
 
+	if (session->itrace_synth_opts->set) {
+		pt->synth_opts = *session->itrace_synth_opts;
+	} else {
+		struct itrace_synth_opts *opts = session->itrace_synth_opts;
+
+		itrace_synth_opts__set_default(&pt->synth_opts, opts->default_no_sample);
+		if (!opts->default_no_sample && !opts->inject) {
+			pt->synth_opts.branches = false;
+			pt->synth_opts.callchain = true;
+			pt->synth_opts.add_callchain = true;
+		}
+		pt->synth_opts.thread_stack = opts->thread_stack;
+	}
+
 	pt->session = session;
 	pt->machine = &session->machines.host; /* No kvm support */
 	pt->auxtrace_type = auxtrace_info->type;
@@ -3609,21 +3623,6 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
 		goto err_delete_thread;
 	}
 
-	if (session->itrace_synth_opts->set) {
-		pt->synth_opts = *session->itrace_synth_opts;
-	} else {
-		itrace_synth_opts__set_default(&pt->synth_opts,
-				session->itrace_synth_opts->default_no_sample);
-		if (!session->itrace_synth_opts->default_no_sample &&
-		    !session->itrace_synth_opts->inject) {
-			pt->synth_opts.branches = false;
-			pt->synth_opts.callchain = true;
-			pt->synth_opts.add_callchain = true;
-		}
-		pt->synth_opts.thread_stack =
-				session->itrace_synth_opts->thread_stack;
-	}
-
 	if (pt->synth_opts.log)
 		intel_pt_log_enable();