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| author | Kostya Serebryany <kcc@google.com> | 2015-05-12 18:51:57 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2015-05-12 18:51:57 +0000 |
| commit | 9690fcf12eee2c91b106991b3aad7b0e65c0c1b3 (patch) | |
| tree | d391f453af9fab0a907542830c43d0a2ca952400 /llvm/docs | |
| parent | 4744ec6da984f155450683c4aa223678278050a7 (diff) | |
| download | bcm5719-llvm-9690fcf12eee2c91b106991b3aad7b0e65c0c1b3.tar.gz bcm5719-llvm-9690fcf12eee2c91b106991b3aad7b0e65c0c1b3.zip | |
[lib/Fuzzer] guess the right number of workers if -jobs=N is given but -workers=M is not. Update the docs.
llvm-svn: 237163
Diffstat (limited to 'llvm/docs')
| -rw-r--r-- | llvm/docs/LibFuzzer.rst | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/llvm/docs/LibFuzzer.rst b/llvm/docs/LibFuzzer.rst index 949ccd58418..d454b741ba0 100644 --- a/llvm/docs/LibFuzzer.rst +++ b/llvm/docs/LibFuzzer.rst @@ -156,13 +156,11 @@ You may run ``N`` independent fuzzer jobs in parallel on ``M`` CPUs:: N=100; M=4; ./pcre_fuzzer ./CORPUS -jobs=$N -workers=$M -This is useful when you already have an exhaustive test corpus. -If you've just started fuzzing with no good corpus running independent -jobs will create a corpus with too many duplicates. -One way to avoid this and still use all of your CPUs is to use the flag ``-exit_on_first=1`` -which will cause the fuzzer to exit on the first new synthesised input:: +By default (``-reload=1``) the fuzzer processes will periodically scan the CORPUS directory +and reload any new tests. This way the test inputs found by one process will be picked up +by all others. - N=100; M=4; ./pcre_fuzzer ./CORPUS -jobs=$N -workers=$M -exit_on_first=1 +If ``-workers=$M`` is not supplied, ``min($N,NumberOfCpuCore/2)`` will be used. Heartbleed ---------- |
