void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
                                   struct evlist *evlist,
-                                  struct evsel *evsel, int idx,
-                                  bool per_cpu)
+                                  struct evsel *evsel, int idx)
 {
+       bool per_cpu = !perf_cpu_map__empty(evlist->core.user_requested_cpus);
+
        mp->mmap_needed = evsel->needs_auxtrace_mmap;
 
        if (!mp->mmap_needed)
 
                                bool auxtrace_overwrite);
 void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
                                   struct evlist *evlist,
-                                  struct evsel *evsel, int idx,
-                                  bool per_cpu);
+                                  struct evsel *evsel, int idx);
 
 typedef int (*process_auxtrace_t)(struct perf_tool *tool,
                                  struct mmap *map,
                                bool auxtrace_overwrite);
 void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
                                   struct evlist *evlist,
-                                  struct evsel *evsel, int idx,
-                                  bool per_cpu);
+                                  struct evsel *evsel, int idx);
 
 #define ITRACE_HELP ""
 
 
 {
        struct evlist *evlist = container_of(_evlist, struct evlist, core);
        struct mmap_params *mp = container_of(_mp, struct mmap_params, core);
-       bool per_cpu = !perf_cpu_map__empty(_evlist->user_requested_cpus);
        struct evsel *evsel = container_of(_evsel, struct evsel, core);
 
-       auxtrace_mmap_params__set_idx(&mp->auxtrace_mp, evlist, evsel, idx, per_cpu);
+       auxtrace_mmap_params__set_idx(&mp->auxtrace_mp, evlist, evsel, idx);
 }
 
 static struct perf_mmap*
 
 void __weak auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp __maybe_unused,
                                          struct evlist *evlist __maybe_unused,
                                          struct evsel *evsel __maybe_unused,
-                                         int idx __maybe_unused,
-                                         bool per_cpu __maybe_unused)
+                                         int idx __maybe_unused)
 {
 }