perf tools: Introduce perf_evlist__mmap_cb_idx()

Add perf_evlist__mmap_cb_idx function to call auxtrace_mmap_params__set_idx()
on each new index during perf_evlist__mmap_ops call.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20191007125344.14268-19-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/evlist.c

@@ -739,6 +739,17 @@ static int evlist__mmap_per_evsel(struct evlist *evlist, int idx,
 	return 0;
 }
 
+static void
+perf_evlist__mmap_cb_idx(struct perf_evlist *_evlist,
+			 struct perf_mmap_param *_mp,
+			 int idx, bool per_cpu)
+{
+	struct evlist *evlist = container_of(_evlist, struct evlist, core);
+	struct mmap_params *mp = container_of(_mp, struct mmap_params, core);
+
+	auxtrace_mmap_params__set_idx(&mp->auxtrace_mp, evlist, idx, per_cpu);
+}
+
 static int evlist__mmap_per_cpu(struct evlist *evlist,
 				     struct mmap_params *mp)
 {
@@ -935,6 +946,9 @@ int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
 		.flush		= flush,
 		.comp_level	= comp_level
 	};
+	struct perf_evlist_mmap_ops ops __maybe_unused = {
+		.idx = perf_evlist__mmap_cb_idx,
+	};
 
 	if (!evlist->mmap)
 		evlist->mmap = evlist__alloc_mmap(evlist, false);