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picom
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HACK! core: partially disable pacing 

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui 2023-06-18 21:33:01 +01:00
parent c769988cc2
commit 7a6d2ee6d3
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GPG Key ID: D3A4405BE6CC17F4
1 changed files with 9 additions and 8 deletions
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17
src/picom.c
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@ -245,8 +245,9 @@ void schedule_render(session_t *ps, bool triggered_by_vblank) {
log_trace("Last render call took: %d (gpu) + %d (cpu) us, " log_trace("Last render call took: %d (gpu) + %d (cpu) us, "
"last_msc: %" PRIu64, "last_msc: %" PRIu64,
render_time_us, (int)ps->last_schedule_delay, ps->last_msc); render_time_us, (int)ps->last_schedule_delay, ps->last_msc);
render_statistics_add_render_time_sample( // render_statistics_add_render_time_sample(
&ps->render_stats, render_time_us + (int)ps->last_schedule_delay); // &ps->render_stats, render_time_us +
// (int)ps->last_schedule_delay);
} }
ps->target_msc = 0; ps->target_msc = 0;
ps->did_render = false; ps->did_render = false;
@ -279,13 +280,13 @@ void schedule_render(session_t *ps, bool triggered_by_vblank) {
ps->next_render = now_us; ps->next_render = now_us;
} }
if (delay_s > 1) { if (delay_s > 1) {
log_warn("Delay too long: %f s, render_budget: %d us, frame_time: " log_warn("Delay too long: %f s, render_budget: %u us, frame_time: "
"%" PRIu32 " us, now_us: %" PRIu64 " us, next_msc: %" PRIu64 " u" "%" PRIu32 " us, now_us: %" PRIu64 " us, next_msc: %" PRIu64 " u"
"s", "s",
delay_s, render_budget, frame_time, now_us, deadline); delay_s, render_budget, frame_time, now_us, deadline);
} }
log_trace("Delay: %.6lf s, last_msc: %" PRIu64 ", render_budget: %d, frame_time: " log_trace("Delay: %.6lf s, last_msc: %" PRIu64 ", render_budget: %u, frame_time: "
"%" PRIu32 ", now_us: %" PRIu64 ", next_msc: %" PRIu64 ", " "%" PRIu32 ", now_us: %" PRIu64 ", next_msc: %" PRIu64 ", "
"target_msc: %" PRIu64 ", divisor: %d", "target_msc: %" PRIu64 ", divisor: %d",
delay_s, ps->last_msc_instant, render_budget, frame_time, now_us, delay_s, ps->last_msc_instant, render_budget, frame_time, now_us,
@ -1563,18 +1564,18 @@ handle_present_complete_notify(session_t *ps, xcb_present_complete_notify_event_
struct timespec now; struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now); clock_gettime(CLOCK_MONOTONIC, &now);
auto now_us = (int64_t)(now.tv_sec * 1000000L + now.tv_nsec / 1000); auto now_us = (int64_t)(now.tv_sec * 1000000L + now.tv_nsec / 1000);
auto drift = iabs((int64_t)cne->ust - now_us); auto drift = (int64_t)cne->ust - now_us;
if (ps->last_msc_instant != 0) { if (ps->last_msc_instant != 0) {
auto frame_count = cne->msc - ps->last_msc; auto frame_count = cne->msc - ps->last_msc;
int frame_time = (int)((cne->ust - ps->last_msc_instant) / frame_count); int frame_time = (int)((cne->ust - ps->last_msc_instant) / frame_count);
render_statistics_add_vblank_time_sample(&ps->render_stats, frame_time); render_statistics_add_vblank_time_sample(&ps->render_stats, frame_time);
log_trace("Frame count %lu, frame time: %d us, rolling average: %u us, " log_trace("Frame count %lu, frame time: %d us, rolling average: %u us, "
"msc: %" PRIu64 ", offset: %d us", "msc: %" PRIu64 ", offset: %" PRIi64 " us",
frame_count, frame_time, frame_count, frame_time,
render_statistics_get_vblank_time(&ps->render_stats), cne->ust, render_statistics_get_vblank_time(&ps->render_stats), cne->ust,
(int)drift); drift);
} else if (drift > 1000000 && ps->frame_pacing) { } else if (iabs(drift) > 1000000 && ps->frame_pacing) {
// This is the first MSC event we receive, let's check if the timestamps // This is the first MSC event we receive, let's check if the timestamps
// align with the monotonic clock. If not, disable frame pacing because we // align with the monotonic clock. If not, disable frame pacing because we
// can't schedule frames reliably. // can't schedule frames reliably.