[LLVMdev] AArch64 bot unstable

[Teresa Johnson]

I added this test yesterday, so will take a look.

The test is confirming that the invoking
__llvm_profile_set_filename(0) properly resets the profile output to
"default.profraw" (the default). When it fails I see the following
warning:

warning: no profile data available for file
"instrprof-set-filename-then-reset-default.c"
[-Wprofile-instr-unprofiled]

Two of the compiler-rt/profile tests I added are checking for similar
behavior with resetting the filename to the default. I wonder if they
are running in parallel and clobbering each other since the profile
output names are not unique after the reset.

Teresa

On Wed, Apr 29, 2015 at 4:06 AM, Renato Golin <renato.golin at linaro.org> wrote:
> Hi Gabor,
>
> I noticed that one particular test fails intermittently on the AArch64 bot:
>
> http://lab.llvm.org:8011/builders/clang-native-aarch64-full
>
> FAIL: Profile:: instrprof-set-filename-then-reset-default.c
>
> Some times on stage1, others on stage2, others no fail at all.
>
> All the commits during these builds are not related to profiling or
> AArch64, so I believe this has something to do with the setup.
>
> Maybe try to reproduce it locally? It could be something to do with
> the linker, too.
>
> cheers,
> --renato
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-- 
Teresa Johnson | Software Engineer | tejohnson at google.com | 408-460-2413