print logs periodically

asymmetric-research · Aug 20, 2024 · 68bd3e3 · 68bd3e3
1 parent 6009708
commit 68bd3e3
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Showing 3 changed files with 18 additions and 2 deletions.
diff --git a/compiler-rt/lib/fuzzer/FuzzerDriver.cpp b/compiler-rt/lib/fuzzer/FuzzerDriver.cpp
@@ -788,6 +788,8 @@ int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) {
   Entropic.NumberOfRarestFeatures = Options.EntropicNumberOfRarestFeatures;
   Entropic.ScalePerExecTime = Options.EntropicScalePerExecTime;
 
+  Printf("INFO: Stats reporting: linear\n");
+
   unsigned Seed = Flags.seed;
   // Initialize Seed.
   if (Seed == 0)

diff --git a/compiler-rt/lib/fuzzer/FuzzerInternal.h b/compiler-rt/lib/fuzzer/FuzzerInternal.h
@@ -123,6 +123,8 @@ class Fuzzer final {
   size_t TotalNumberOfRuns = 0;
   size_t NumberOfNewUnitsAdded = 0;
 
+  size_t LastSecondPrinted = 0;
+
   size_t LastCorpusUpdateRun = 0;
 
   bool HasMoreMallocsThanFrees = false;

diff --git a/compiler-rt/lib/fuzzer/FuzzerLoop.cpp b/compiler-rt/lib/fuzzer/FuzzerLoop.cpp
@@ -442,12 +442,24 @@ void Fuzzer::RereadOutputCorpus(size_t MaxSize) {
     PrintStats("RELOAD");
 }
 
+// static bool isPowerOfTwo(size_t val) {
+//   return !(val & (val - 1));
+// }
+
 void Fuzzer::PrintPulseAndReportSlowInput(const uint8_t *Data, size_t Size) {
+  this->CB;
   auto TimeOfUnit =
       duration_cast<seconds>(UnitStopTime - UnitStartTime).count();
-  if (!(TotalNumberOfRuns & (TotalNumberOfRuns - 1)) &&
-      secondsSinceProcessStartUp() >= 2)
+
+  // if (isPowerOfTwo(TotalNumberOfRuns) &&
+  //    secondsSinceProcessStartUp() >= 2)
+
+  size_t secondsSinceStartup = secondsSinceProcessStartUp();
+  if (secondsSinceStartup >= 5 && secondsSinceStartup - LastSecondPrinted >= 5) {
+    LastSecondPrinted = secondsSinceStartup;
     PrintStats("pulse ");
+  }
+
   auto Threshhold =
       static_cast<long>(static_cast<double>(TimeOfLongestUnitInSeconds) * 1.1);
   if (TimeOfUnit > Threshhold && TimeOfUnit >= Options.ReportSlowUnits) {