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Diffstat (limited to 'docs/env_variables.md')
| -rw-r--r-- | docs/env_variables.md | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/docs/env_variables.md b/docs/env_variables.md index b4b866ab..38a67bc7 100644 --- a/docs/env_variables.md +++ b/docs/env_variables.md @@ -231,10 +231,11 @@ Then there are a few specific features that are only available in instrumentatio See [instrumentation/README.instrument_list.md](../instrumentation/README.instrument_list.md) for more information. -### Thread safe instrumentation counters (in mode LLVM CLASSIC) - - Setting `AFL_LLVM_THREADSAFE_INST` will inject code that implements thread safe counters. - The overhead is a bit higher compared to the older non-thread safe case. - `AFL_LLVM_NOT_ZERO` and `AFL_LLVM_SKIP_NEVERZERO` are supported (see below). +### Thread safe instrumentation counters (in all modes) + + - Setting `AFL_LLVM_THREADSAFE_INST` will inject code that implements thread + safe counters. The overhead is a little bit higher compared to the older + non-thread safe case. Note that this disables neverzero (see below). ### NOT_ZERO |