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| author | llzmb <46303940+llzmb@users.noreply.github.com> | 2021-11-24 13:24:12 +0100 |
|---|---|---|
| committer | llzmb <46303940+llzmb@users.noreply.github.com> | 2021-11-24 13:24:12 +0100 |
| commit | fce93647cc788683be3d8cca79c4689de4b71c3f (patch) | |
| tree | 3f4ac9657031e7d7bcec8f76c961008ae9436e0a /docs/best_practices.md | |
| parent | 5b480f94511129e56062976d2c83daedd4a5043b (diff) | |
| download | afl++-fce93647cc788683be3d8cca79c4689de4b71c3f.tar.gz | |
Merge "perf_tips.md" into "best_practices.md" and "fuzzing_in_depth.md"
Diffstat (limited to 'docs/best_practices.md')
| -rw-r--r-- | docs/best_practices.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/docs/best_practices.md b/docs/best_practices.md index 5f2d45ed..979849f4 100644 --- a/docs/best_practices.md +++ b/docs/best_practices.md @@ -64,11 +64,11 @@ which allows you to define network state with different type of data packets. 1. Use [llvm_mode](../instrumentation/README.llvm.md): afl-clang-lto (llvm >= 11) or afl-clang-fast (llvm >= 9 recommended). 2. Use [persistent mode](../instrumentation/README.persistent_mode.md) (x2-x20 speed increase). -3. Use the [AFL++ snapshot module](https://github.com/AFLplusplus/AFL-Snapshot-LKM) (x2 speed increase). +3. Instrument just what you are interested in, see [instrumentation/README.instrument_list.md](../instrumentation/README.instrument_list.md). 4. If you do not use shmem persistent mode, use `AFL_TMPDIR` to put the input file directory on a tempfs location, see [env_variables.md](env_variables.md). 5. Improve Linux kernel performance: modify `/etc/default/grub`, set `GRUB_CMDLINE_LINUX_DEFAULT="ibpb=off ibrs=off kpti=off l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs nopcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=off pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off"`; then `update-grub` and `reboot` (warning: makes the system less secure). 6. Running on an `ext2` filesystem with `noatime` mount option will be a bit faster than on any other journaling filesystem. -7. Use your cores ([fuzzing_in_depth.md:b) Using multiple cores](fuzzing_in_depth.md#b-using-multiple-cores))! +7. Use your cores ([fuzzing_in_depth.md:3c) Using multiple cores](fuzzing_in_depth.md#c-using-multiple-cores))! ### Improving stability |