diff options
| author | Imre Deak <imre.deak@intel.com> | 2012-10-22 20:40:06 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-23 10:34:26 +0200 |
| commit | 7f32adc6c5364308f402f981ebde7f3689849471 (patch) | |
| tree | a54d9ff8ed2bd55a1a232e33660f7ae55a3b9d6f /tests/flip_test.c | |
| parent | 429dc016360946c4b126bf453187a2cb5d7dd003 (diff) | |
flip_test: check if the vblank and flip states correlate
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tests/flip_test.c')
| -rw-r--r-- | tests/flip_test.c | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/tests/flip_test.c b/tests/flip_test.c index 00f98ce..b387bf5 100644 --- a/tests/flip_test.c +++ b/tests/flip_test.c @@ -291,6 +291,11 @@ static void page_flip_handler(int fd, unsigned int frame, unsigned int sec, event_handler(&o->flip_state, frame, sec, usec); } +static double frame_time(struct test_output *o) +{ + return 1000.0 * 1000.0 / o->mode.vrefresh; +} + static void fixup_premature_vblank_ts(struct test_output *o, struct event_state *es) { @@ -359,8 +364,7 @@ static void check_state(struct test_output *o, struct event_state *es) if ((o->flags & TEST_CHECK_TS) && (!analog_tv_connector(o))) { timersub(&es->current_ts, &es->last_ts, &diff); - usec_interflip = (double)es->seq_step / - ((double)o->mode.vrefresh) * 1000.0 * 1000.0; + usec_interflip = (double)es->seq_step * frame_time(o); if (fabs((((double) diff.tv_usec) - usec_interflip) / usec_interflip) > 0.005) { fprintf(stderr, "inter-%s ts jitter: %is, %ius\n", @@ -380,13 +384,48 @@ static void check_state(struct test_output *o, struct event_state *es) } } +static void check_state_correlation(struct test_output *o, + struct event_state *es1, + struct event_state *es2) +{ + struct timeval tv_diff; + double ftime; + double usec_diff; + int seq_diff; + + if (es1->count == 0 || es2->count == 0) + return; + + timersub(&es2->current_ts, &es1->current_ts, &tv_diff); + usec_diff = tv_diff.tv_sec * 1000 * 1000 + tv_diff.tv_usec; + + seq_diff = es2->current_seq - es1->current_seq; + ftime = frame_time(o); + usec_diff -= seq_diff * ftime; + + if (fabs(usec_diff) / ftime > 0.005) { + fprintf(stderr, + "timestamp mismatch between %s and %s (diff %.4f sec)\n", + es1->name, es2->name, usec_diff / 1000 / 1000); + exit(14); + } +} + static void check_all_state(struct test_output *o, unsigned int completed_events) { - if (completed_events & EVENT_FLIP) + bool flip, vblank; + + flip = completed_events & EVENT_FLIP; + vblank = completed_events & EVENT_VBLANK; + + if (flip) check_state(o, &o->flip_state); - if (completed_events & EVENT_VBLANK) + if (vblank) check_state(o, &o->vblank_state); + + if (flip && vblank) + check_state_correlation(o, &o->flip_state, &o->vblank_state); } /* Return mask of completed events. */ |