1 files changed, 5 insertions, 1 deletions
diff --git a/indra/newview/llperfstats.cpp b/indra/newview/llperfstats.cpp
index 1a0e5842e2..3bf88bb2a6 100644
--- a/indra/newview/llperfstats.cpp
+++ b/indra/newview/llperfstats.cpp
@@ -43,6 +43,8 @@ namespace LLPerfStats
     U32 lastGlobalPrefChange{0}; 
     std::mutex bufferToggleLock{};
 
+    F64 cpu_hertz{0.0};
+
     Tunables tunables;
 
     std::atomic<int> 	StatsRecorder::writeBuffer{0};
@@ -126,6 +128,8 @@ namespace LLPerfStats
         // create a queue
         // create a thread to consume from the queue
         tunables.initialiseFromSettings();
+        LLPerfStats::cpu_hertz = (F64)LLTrace::BlockTimer::countsPerSecond();
+
         t.detach();
     }
 
@@ -332,7 +336,7 @@ namespace LLPerfStats
         }
 
         // The frametime budget we have based on the target FPS selected
-        auto target_frame_time_raw = (U64)llround((F64)LLTrace::BlockTimer::countsPerSecond()/(tunables.userTargetFPS==0?1:tunables.userTargetFPS));
+        auto target_frame_time_raw = (U64)llround(LLPerfStats::cpu_hertz/(tunables.userTargetFPS==0?1:tunables.userTargetFPS));
         // 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};