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| author | Kostya Serebryany <kcc@google.com> | 2019-01-31 00:09:43 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2019-01-31 00:09:43 +0000 |
| commit | 11c441a4215bedd053fb1816b3b3094f53ccefbd (patch) | |
| tree | 87e43a13b0a7b2c5bec4fec0f3149547de704c44 /lib/fuzzer/FuzzerDriver.cpp | |
| parent | 3ba2b09f35cfb78b54ff1753c613023e84845d96 (diff) | |
| download | compiler-rt-11c441a4215bedd053fb1816b3b3094f53ccefbd.tar.gz | |
[libFuzzer] experimental performance optimization -lazy_counters, off by default. Posix-only for now, tested on Linux
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@352700 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/fuzzer/FuzzerDriver.cpp')
| -rw-r--r-- | lib/fuzzer/FuzzerDriver.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/fuzzer/FuzzerDriver.cpp b/lib/fuzzer/FuzzerDriver.cpp index 6528d4d92..acebd3a7b 100644 --- a/lib/fuzzer/FuzzerDriver.cpp +++ b/lib/fuzzer/FuzzerDriver.cpp @@ -658,7 +658,10 @@ int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) { Options.HandleXfsz = Flags.handle_xfsz; Options.HandleUsr1 = Flags.handle_usr1; Options.HandleUsr2 = Flags.handle_usr2; + Options.LazyCounters = Flags.lazy_counters; SetSignalHandler(Options); + if (Options.LazyCounters) + TPC.ProtectLazyCounters(); std::atexit(Fuzzer::StaticExitCallback); |