raster pushed a commit to branch master.
http://git.enlightenment.org/core/efl.git/commit/?id=90e5fd831d11a0d378999b90a3c24e6ecef2a284
commit 90e5fd831d11a0d378999b90a3c24e6ecef2a284
Author: Carsten Haitzler (Rasterman) <ras...@rasterman.com>
Date: Wed Feb 3 02:26:54 2021 +0000
ecore-x - vsync - also log the direct device timestamp if it goes back
---
src/lib/ecore_x/ecore_x_vsync.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/src/lib/ecore_x/ecore_x_vsync.c b/src/lib/ecore_x/ecore_x_vsync.c
index 26454a2ae9..5ad828d0fe 100644
--- a/src/lib/ecore_x/ecore_x_vsync.c
+++ b/src/lib/ecore_x/ecore_x_vsync.c
@@ -384,12 +384,20 @@ _drm_vblank_handler(int fd EINA_UNUSED,
if (pframe != frame)
{
#define DELTA_COUNT 10
- double t = (double)sec + ((double)usec / 1000000);
double tnow = ecore_time_get();
+ double t = (double)sec + ((double)usec / 1000000);
+ unsigned long long tusec, ptusec;
static double tdelta[DELTA_COUNT];
static double tdelta_avg = 0.0;
static int tdelta_n = 0;
+ static unsigned int psec = 0, pusec = 0;
+ tusec = ((unsigned long long)sec) * 1000000 + usec;
+ ptusec = ((unsigned long long)psec) * 1000000 + pusec;
+ if (tusec <= ptusec)
+ fprintf(stderr,
+ "EEEEEEK! drm time went backwards! %u.%06u ->
%u.%06u\n",
+ psec, pusec, sec, usec);
if (t > tnow)
{
if (tdelta_n > DELTA_COUNT)
@@ -420,6 +428,8 @@ _drm_vblank_handler(int fd EINA_UNUSED,
_drm_fail_count = 0;
_drm_send_time(t);
pframe = frame;
+ psec = sec;
+ pusec = usec;
}
}
else
--
