diff options
Diffstat (limited to 'indra/newview/llperfstats.cpp')
| -rw-r--r-- | indra/newview/llperfstats.cpp | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/indra/newview/llperfstats.cpp b/indra/newview/llperfstats.cpp index 334fdbbb6e..0e575f0626 100644 --- a/indra/newview/llperfstats.cpp +++ b/indra/newview/llperfstats.cpp @@ -302,6 +302,23 @@ namespace LLPerfStats return positions.size(); } + const U32 NUM_PERIODS = 50; + U64 StatsRecorder::getMeanTotalFrameTime(U64 cur_frame_time_raw) + { + static std::deque<U64> frame_time_deque; + frame_time_deque.push_front(cur_frame_time_raw); + if (frame_time_deque.size() > NUM_PERIODS) + { + frame_time_deque.pop_back(); + } + + std::vector<U64> buf(frame_time_deque.begin(), frame_time_deque.end()); + std::sort(buf.begin(), buf.end()); + + U64 mean = (buf.size() % 2 == 0) ? (buf[buf.size() / 2 - 1] + buf[buf.size() / 2]) / 2 : buf[buf.size() / 2]; + return mean; + } + // static void StatsRecorder::updateAvatarParams() { @@ -358,7 +375,7 @@ namespace LLPerfStats // The frametime budget we have based on the target FPS selected - auto target_frame_time_raw = (U64)llround(LLPerfStats::cpu_hertz/(tunables.userTargetFPS==0?1:tunables.userTargetFPS)); + auto target_frame_time_raw = (U64)llround(LLPerfStats::cpu_hertz / (target_fps == 0 ? 1 : target_fps)); // LL_INFOS() << "Effective FPS(raw):" << tot_frame_time_raw << " Target:" << target_frame_time_raw << LL_ENDL; auto inferredFPS{1000/(U32)std::max(raw_to_ms(tot_frame_time_raw),1.0)}; U32 settingsChangeFrequency{inferredFPS > 25?inferredFPS:25}; @@ -367,9 +384,19 @@ namespace LLPerfStats // This could be problematic. tot_frame_time_raw -= tot_limit_time_raw; }*/ + + F64 time_buf = target_frame_time_raw * 0.1; + // 1) Is the target frame time lower than current? - if( target_frame_time_raw <= tot_frame_time_raw ) + if ((target_frame_time_raw + time_buf) <= tot_frame_time_raw) { + if (target_frame_time_raw - time_buf >= getMeanTotalFrameTime(tot_frame_time_raw)) + { + belowTargetFPS = false; + LLPerfStats::lastGlobalPrefChange = gFrameCount; + return; + } + if(belowTargetFPS == false) { // this is the first frame under. hold fire to add a little hysteresis |