libperf: Add PERF_RECORD_EVENT_UPDATE 'struct event_update_event' to perf/event.h

Move the PERF_RECORD_EVENT_UPDATE event definition to libperf's event.h.

In order to keep libperf simple, we switch 'u64/u32/u16/u8'
types used events to their generic '__u*' versions.
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://lkml.kernel.org/r/20190828135717.7245-4-jolsa@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/lib/include/perf/event.h

@@ -141,4 +141,26 @@ struct cpu_map_event {
 	struct cpu_map_data	 data;
 };
 
+enum {
+	PERF_EVENT_UPDATE__UNIT  = 0,
+	PERF_EVENT_UPDATE__SCALE = 1,
+	PERF_EVENT_UPDATE__NAME  = 2,
+	PERF_EVENT_UPDATE__CPUS  = 3,
+};
+
+struct event_update_event_cpus {
+	struct cpu_map_data	 cpus;
+};
+
+struct event_update_event_scale {
+	double			 scale;
+};
+
+struct event_update_event {
+	struct perf_event_header header;
+	__u64			 type;
+	__u64			 id;
+	char			 data[];
+};
+
 #endif /* __LIBPERF_EVENT_H */

tools/perf/util/event.h

@@ -337,29 +337,6 @@ struct events_stats {
 	u32 nr_proc_map_timeout;
 };
 
-enum {
-	PERF_EVENT_UPDATE__UNIT  = 0,
-	PERF_EVENT_UPDATE__SCALE = 1,
-	PERF_EVENT_UPDATE__NAME  = 2,
-	PERF_EVENT_UPDATE__CPUS  = 3,
-};
-
-struct event_update_event_cpus {
-	struct cpu_map_data cpus;
-};
-
-struct event_update_event_scale {
-	double scale;
-};
-
-struct event_update_event {
-	struct perf_event_header header;
-	u64 type;
-	u64 id;
-
-	char data[];
-};
-
 #define MAX_EVENT_NAME 64
 
 struct perf_trace_event_type {

tools/perf/util/header.c

@@ -3893,7 +3893,7 @@ size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp)
 	struct perf_cpu_map *map;
 	size_t ret;
 
-	ret = fprintf(fp, "\n... id:    %" PRIu64 "\n", ev->id);
+	ret = fprintf(fp, "\n... id:    %" PRI_lu64 "\n", ev->id);
 
 	switch (ev->type) {
 	case PERF_EVENT_UPDATE__SCALE: