[cfe-dev] tsan using up > 16G ?

Noel Grandin via cfe-dev cfe-dev at lists.llvm.org
Sun Oct 24 04:30:53 PDT 2021


Hi

I'm running TSAN over the LibreOffice codebase, and with certain unit
tests, clang will basically use up all available memory on my box (16G)
before the OOM killer kicks in.

I'm using
export
TSAN_OPTIONS=suppressions=/media/disk2/libo-san/tsan-suppress.txt:memory_limit_mb=4096:flush_memory_ms=250
and I'm running clang from trunk about 4 weeks ago.

What can I do to reduce the memory usage or track down the bug?

Thanks, Noel Grandin
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