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| author | hexcoder <hexcoder-@users.noreply.github.com> | 2021-05-31 20:06:35 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-05-31 20:06:35 +0200 |
| commit | 21c8b225719835d8e4fecdb8bd6f42e61ea0600b (patch) | |
| tree | 46e844356f7cf88c08f9f9907caa11656a24f416 /instrumentation/README.llvm.md | |
| parent | 1a2da67ed0505c9ac0aa1048ba3d607f3c1aa639 (diff) | |
| parent | 97a1f89881878db9bd6b4cd666b3447a63818dcf (diff) | |
| download | afl++-21c8b225719835d8e4fecdb8bd6f42e61ea0600b.tar.gz | |
Merge pull request #948 from AFLplusplus/going_atomic
Going atomic
Diffstat (limited to 'instrumentation/README.llvm.md')
| -rw-r--r-- | instrumentation/README.llvm.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/instrumentation/README.llvm.md b/instrumentation/README.llvm.md index cfe537d5..02722588 100644 --- a/instrumentation/README.llvm.md +++ b/instrumentation/README.llvm.md @@ -144,6 +144,10 @@ is not optimal and was only fixed in llvm 9. You can set this with AFL_LLVM_NOT_ZERO=1 See [README.neverzero.md](README.neverzero.md) +Support for thread safe counters has been added for mode LLVM CLASSIC. +Activate it with `AFL_LLVM_THREADSAFE_INST=1`. The tradeoff is better precision in +multi threaded apps for a slightly higher instrumentation overhead. + ## 4) Snapshot feature To speed up fuzzing you can use a linux loadable kernel module which enables |