| commit | d530cba06e58a411dede517bebfd496258c0d107 | [log] [tgz] |
|---|---|---|
| author | Guillaume Chatelet <gchatelet@google.com> | Wed Sep 08 14:43:48 2021 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Wed Sep 08 07:55:55 2021 -0700 |
| tree | 6a56aef10aed0d654aa7459100dd573d00855962 | |
| parent | a79adc13b063c90c8d06475b838c207783af5534 [diff] |
[libc] Fix running benchmarks under msan/asan asan/msan intercepts `aligned_malloc` and misbehave when the requested alignment is greater than 512. https://github.com/llvm/llvm-project/blob/b041b613e6fff713fc9ad6dbc73024286fb2fc93/compiler-rt/lib/asan/asan_allocator.cpp#L430-L431 GitOrigin-RevId: 219a1d217dd95f98612f7ac5d8f25b737c7f5e8b
diff --git a/benchmarks/LibcMemoryBenchmark.h b/benchmarks/LibcMemoryBenchmark.h index b6ee47c..7badf04 100644 --- a/benchmarks/LibcMemoryBenchmark.h +++ b/benchmarks/LibcMemoryBenchmark.h
@@ -105,7 +105,8 @@ size_t Size = 0; public: - static constexpr size_t Alignment = 1024; + // Note: msan / asan can't handle Alignment > 512. + static constexpr size_t Alignment = 512; explicit AlignedBuffer(size_t Size) : Buffer(static_cast<char *>(aligned_alloc(Alignment, Size))),