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Re: [PATCH 2/3] Run profile feedback tests with autofdo


> >> I haven't seen that. Unstable in what way?
> > For GCC doesn't support FDO, it run below tests as you said:
> >
> > PASS: gcc.dg/tree-prof/20041218-1.c compilation,  -g
> > UNSUPPORTED: gcc.dg/tree-prof/20041218-1.c: Cannot run create_gcov
> > --binary /data/work/trunk/build/gcc/testsuite/gcc/20041218-1.gcda
> >
> > Normally, it doesn't create gcov data file, thus the next test is
> > unsupported.  I guess in parallel test, the second test picks up gcov
> > data files from other process, which results in random pass.
> > Is it possible to not have these when fdo is supported?
> Hmm, typo:  s/supported/not supported/.

I don't see how this can happen: as you can see the .gcda file name
is unique for each test case.

I think there may be problems with the perf.data, could add a postfix.
But you should only see that with real autofdo.

-Andi


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