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[libFuzzer] don't reload the corpus more than once every second
[oota-llvm.git]
/
lib
/
Fuzzer
/
FuzzerLoop.cpp
diff --git
a/lib/Fuzzer/FuzzerLoop.cpp
b/lib/Fuzzer/FuzzerLoop.cpp
index ca7f82b55607268904c2338aa09674ddddb8fe4d..889c30c874899dd7567773022b182a4b31fc9067 100644
(file)
--- a/
lib/Fuzzer/FuzzerLoop.cpp
+++ b/
lib/Fuzzer/FuzzerLoop.cpp
@@
-468,10
+468,15
@@
void Fuzzer::Drill() {
}
void Fuzzer::Loop() {
}
void Fuzzer::Loop() {
+ system_clock::time_point LastCorpusReload = system_clock::now();
while (true) {
size_t J1 = ChooseUnitIdxToMutate();;
SyncCorpus();
while (true) {
size_t J1 = ChooseUnitIdxToMutate();;
SyncCorpus();
- RereadOutputCorpus();
+ auto Now = system_clock::now();
+ if (duration_cast<seconds>(Now - LastCorpusReload).count()) {
+ RereadOutputCorpus();
+ LastCorpusReload = Now;
+ }
if (TotalNumberOfRuns >= Options.MaxNumberOfRuns)
break;
if (Options.MaxTotalTimeSec > 0 &&
if (TotalNumberOfRuns >= Options.MaxNumberOfRuns)
break;
if (Options.MaxTotalTimeSec > 0 &&