flywithu/ntel-gpu-tools
1
0
Fork 0
mirror of https://github.com/tiagovignatti/intel-gpu-tools.git synced 2025-06-10 17:36:11 +00:00
Code Issues Releases Wiki Activity

flip_test: add event sequence number tracking

Browse Source 
Signed-off-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Imre Deak 2012-10-16 04:09:43 +03:00
parent 887a2597fa
commit fe7fea0be3
1 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
tests/flip_test.c
View File

@ -75,6 +75,7 @@ struct event_state {
*/
struct timeval last_ts; /* kernel reported timestamp */
struct timeval last_received_ts; /* the moment we received it */
unsigned int last_seq; /* kernel reported seq. num */
/*
* Event data for for the current event that we just received and
@ -82,8 +83,12 @@ struct event_state {
*/
struct timeval current_ts; /* kernel reported timestamp */
struct timeval current_received_ts; /* the moment we received it */
unsigned int current_seq; /* kernel reported seq. num */
int count; /* # of events of this type */
/* Step between the current and next 'target' sequence number. */
int seq_step;
};
struct test_output {
@ -223,6 +228,7 @@ static void event_handler(struct event_state *es, unsigned int frame,
gettimeofday(&es->current_received_ts, NULL);
es->current_ts.tv_sec = sec;
es->current_ts.tv_usec = usec;
es->current_seq = frame;
}
static void page_flip_handler(int fd, unsigned int frame, unsigned int sec,
@ -256,10 +262,20 @@ static void check_state(struct test_output *o, struct event_state *es)
exit(6);
}
if (es->count == 0)
return;
if (es->count > 0 && (o->flags & TEST_CHECK_TS) && (!analog_tv_connector(o))) {
/* This bounding matches the one in DRM_IOCTL_WAIT_VBLANK. */
if (es->current_seq - (es->last_seq + es->seq_step) > 1UL << 23) {
fprintf(stderr, "unexpected %s seq %u, should be >= %u\n",
es->name, es->current_seq, es->last_seq + es->seq_step);
exit(10);
}
if ((o->flags & TEST_CHECK_TS) && (!analog_tv_connector(o))) {
timersub(&es->current_ts, &es->last_ts, &diff);
usec_interflip = 1.0 / ((double)o->mode.vrefresh) * 1000.0 * 1000.0;
usec_interflip = (double)es->seq_step /
((double)o->mode.vrefresh) * 1000.0 * 1000.0;
if (fabs((((double) diff.tv_usec) - usec_interflip) /
usec_interflip) > 0.005) {
fprintf(stderr, "inter-%s ts jitter: %is, %ius\n",
@ -269,6 +285,12 @@ static void check_state(struct test_output *o, struct event_state *es)
* poll helper :( hence make it non-fatal for now */
//exit(9);
}
if (es->current_seq != es->last_seq + es->seq_step)
fprintf(stderr, "unexpected %s seq %u, expected %u\n",
es->name, es->current_seq,
es->last_seq + es->seq_step);
/* no exit, due to the same reason as above */
}
}
@ -361,6 +383,7 @@ static void update_state(struct event_state *es)
{
es->last_received_ts = es->current_received_ts;
es->last_ts = es->current_ts;
es->last_seq = es->current_seq;
es->count++;
}
@ -499,6 +522,7 @@ static void check_final_state(struct test_output *o, struct event_state *es,
int expected;
int count = es->count;
count *= es->seq_step;
expected = ellapsed * o->mode.vrefresh / (1000 * 1000);
if (count < expected * 99/100) {
fprintf(stderr, "dropped frames, expected %d, counted %d, encoder type %d\n",
@ -638,6 +662,7 @@ static void flip_mode(struct test_output *o, int crtc, int duration)
wait_for_events(o);
o->current_fb_id = 1;
o->flip_state.seq_step = 1;
ellapsed = event_loop(o, duration);