perf session: Fix swapping of cpu_map and stat_config records

'data' field in perf_record_cpu_map_data struct is 16-bit
wide and so should be swapped using bswap_16().

'nr' field in perf_record_stat_config struct should be
swapped before being used for size calculation.

Signed-off-by: Dmitry Koshelev <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

tools/perf/util/session.c

@@ -904,7 +904,7 @@ static void perf_event__cpu_map_swap(union perf_event *event,
 	struct perf_record_record_cpu_map *mask;
 	unsigned i;
 
-	data->type = bswap_64(data->type);
+	data->type = bswap_16(data->type);
 
 	switch (data->type) {
 	case PERF_CPU_MAP__CPUS:
@@ -937,7 +937,7 @@ static void perf_event__stat_config_swap(union perf_event *event,
 {
 	u64 size;
 
-	size  = event->stat_config.nr * sizeof(event->stat_config.data[0]);
+	size  = bswap_64(event->stat_config.nr) * sizeof(event->stat_config.data[0]);
 	size += 1; /* nr item itself */
 	mem_bswap_64(&event->stat_config.nr, size);
 }