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replay: fix hang issue on system wake-up (#32341) 

fix hang issue on system wake-up
old-commit-hash: c0a2ce31ee
This commit is contained in:
Dean Lee 2024-05-04 01:46:39 +08:00 committed by GitHub
parent 8df37a97d3
commit 60387b191f
1 changed files with 8 additions and 5 deletions
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13
tools/replay/replay.cc
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@ -468,12 +468,15 @@ std::vector<Event>::const_iterator Replay::publishEvents(std::vector<Event>::con
// Skip events if socket is not present
if (!sockets_[evt.which]) continue;
int64_t time_diff = (evt.mono_time - evt_start_ts) / speed_ - (nanos_since_boot() - loop_start_ts);
// if time_diff is greater than 1 second, it means that an invalid segment is skipped
if (time_diff >= 1e9 || speed_ != prev_replay_speed) {
// reset event start times
const uint64_t current_nanos = nanos_since_boot();
const int64_t time_diff = (evt.mono_time - evt_start_ts) / speed_ - (current_nanos - loop_start_ts);
// Reset timestamps for potential synchronization issues:
// - A negative time_diff may indicate slow execution or system wake-up,
// - A time_diff exceeding 1 second suggests a skipped segment.
if ((time_diff < -1e9 || time_diff >= 1e9) || speed_ != prev_replay_speed) {
evt_start_ts = evt.mono_time;
loop_start_ts = nanos_since_boot();
loop_start_ts = current_nanos;
prev_replay_speed = speed_;
} else if (time_diff > 0) {
precise_nano_sleep(time_diff);