[PATCH libinput 2/8] evdev: print the timestamps for events when debugging events

[Peter Hutterer]

Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
---
 src/evdev.c | 43 +++++++++++++++++++++++++++++++++++--------
 1 file changed, 35 insertions(+), 8 deletions(-)

diff --git a/src/evdev.c b/src/evdev.c
index c490cae0..17303096 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -809,22 +809,49 @@ evdev_read_switch_reliability_prop(struct evdev_device 
*device)
 }
 
 static inline void
-evdev_process_event(struct evdev_device *device, struct input_event *e)
+evdev_print_event(struct evdev_device *device,
+                 const struct input_event *e)
 {
-       struct evdev_dispatch *dispatch = device->dispatch;
-       uint64_t time = tv2us(&e->time);
+       static uint32_t offset = 0;
+       static uint32_t last_time = 0;
+       uint32_t time = us2ms(tv2us(&e->time));
 
-#if 0
-       if (libevdev_event_is_code(e, EV_SYN, SYN_REPORT))
+       if (offset == 0) {
+               offset = time;
+               last_time = time - offset;
+       }
+
+       time -= offset;
+
+       if (libevdev_event_is_code(e, EV_SYN, SYN_REPORT)) {
                evdev_log_debug(device,
-                         "-------------- EV_SYN ------------\n");
-       else
+                         "%u.%03u -------------- EV_SYN ------------ +%ums\n",
+                         time / 1000,
+                         time % 1000,
+                         time - last_time);
+
+               last_time = time;
+       } else {
                evdev_log_debug(device,
-                         "%-16s %-20s %4d\n",
+                         "%u.%03u %-16s %-20s %4d\n",
+                         time / 1000,
+                         time % 1000,
                          libevdev_event_type_get_name(e->type),
                          libevdev_event_code_get_name(e->type, e->code),
                          e->value);
+       }
+}
+
+static inline void
+evdev_process_event(struct evdev_device *device, struct input_event *e)
+{
+       struct evdev_dispatch *dispatch = device->dispatch;
+       uint64_t time = tv2us(&e->time);
+
+#if 0
+       evdev_print_event(device, e);
 #endif
+
        libinput_timer_flush(evdev_libinput_context(device), time);
 
        dispatch->interface->process(dispatch, device, e, time);
-- 
2.13.6

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