[PATCH] tsan: automatically deflake flaky tests
Kostya Serebryany
kcc at google.com
Wed May 28 11:26:53 PDT 2014
More info if you are curious:
https://groups.google.com/forum/#!topic/thread-sanitizer/KIok3F_b1oI
On Wed, May 28, 2014 at 7:26 PM, Dmitry Vyukov <dvyukov at google.com> wrote:
> The tests test that ThreadSanitizer finds the data race in particular
> conditions. However, ThreadSanitizer core algorithm can miss a data race
> when the racy memory access attempts happen very close to each other
> (literally simultaneously). This was done intentionally, fixing this would
> impose significant slowdown and this is not a problem for programs other
> than unit tests.
> So the unit tests suffer from this aspect.
>
> http://reviews.llvm.org/D3913
>
>
>
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