[compiler-rt] r338500 - [gcov] Add test which uses fork

[Matt Morehouse via llvm-commits]

Any progress on this?  Test is still spamming the buildbots.

On Tue, Nov 20, 2018 at 3:49 PM Marco Castelluccio via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> A recent change has made it flaky, calixte is working on fixing it.
>
> - Marco.
> Il 20/11/18 21:48, Vitaly Buka ha scritto:
>
> ppc64
> http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/10213
> http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/10267
>
> On Tue, Nov 20, 2018 at 12:45 PM Vitaly Buka <vitalybuka at google.com>
> wrote:
>
>> The test is very flaky
>> Red http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17621
>> 4 green
>> then red again
>> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17626
>>
>> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux?numbuilds=100
>>
>>
>>
>> On Wed, Aug 1, 2018 at 2:11 AM Marco Castelluccio via llvm-commits <
>> llvm-commits at lists.llvm.org> wrote:
>>
>>> Author: marco
>>> Date: Wed Aug  1 02:11:36 2018
>>> New Revision: 338500
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=338500&view=rev
>>> Log:
>>> [gcov] Add test which uses fork
>>>
>>> Test for https://bugs.llvm.org/show_bug.cgi?id=38180.
>>>
>>> Added:
>>>     compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c
>>>     compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov
>>>     compiler-rt/trunk/test/profile/Posix/
>>>     compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test
>>>
>>> Added: compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c?rev=338500&view=auto
>>>
>>> ==============================================================================
>>> --- compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c (added)
>>> +++ compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c Wed Aug
>>> 1 02:11:36 2018
>>> @@ -0,0 +1,15 @@
>>> +#include <unistd.h>
>>> +
>>> +void func1() {}
>>> +void func2() {}
>>> +
>>> +int main(void)
>>> +{
>>> +  func1();
>>> +
>>> +  fork();
>>> +
>>> +  func2();
>>> +
>>> +  return 0;
>>> +}
>>>
>>> Added: compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov?rev=338500&view=auto
>>>
>>> ==============================================================================
>>> --- compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov
>>> (added)
>>> +++ compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov Wed
>>> Aug  1 02:11:36 2018
>>> @@ -0,0 +1,23 @@
>>> +// CHECK:        -:    0:Source:{{.*}}Inputs/instrprof-gcov-fork.c
>>> +// CHECK-NEXT:        -:    0:Graph:instrprof-gcov-fork.gcno
>>> +// CHECK-NEXT:        -:    0:Data:instrprof-gcov-fork.gcda
>>> +// CHECK-NEXT:        -:    0:Runs:1
>>> +// CHECK-NEXT:        -:    0:Programs:1
>>> +// CHECK-NEXT:        -:    1:#include <unistd.h>
>>> +// CHECK-NEXT:        -:    2:
>>> +// CHECK-NEXT:function func1 called 1 returned 100% blocks executed 100%
>>> +// CHECK-NEXT:        1:    3:void func1() {}
>>> +// CHECK-NEXT:function func2 called 2 returned 100% blocks executed 100%
>>> +// CHECK-NEXT:        2:    4:void func2() {}
>>> +// CHECK-NEXT:        -:    5:
>>> +// CHECK-NEXT:function main called 1 returned 100% blocks executed 100%
>>> +// CHECK-NEXT:        -:    6:int main(void)
>>> +// CHECK-NEXT:        -:    7:{
>>> +// CHECK-NEXT:        1:    8:  func1();
>>> +// CHECK-NEXT:        -:    9:
>>> +// CHECK-NEXT:        1:   10:  fork();
>>> +// CHECK-NEXT:        -:   11:
>>> +// CHECK-NEXT:        2:   12:  func2();
>>> +// CHECK-NEXT:        -:   13:
>>> +// CHECK-NEXT:        2:   14:  return 0;
>>> +// CHECK-NEXT:        -:   15:}
>>>
>>> Added: compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test?rev=338500&view=auto
>>>
>>> ==============================================================================
>>> --- compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test (added)
>>> +++ compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test Wed
>>> Aug  1 02:11:36 2018
>>> @@ -0,0 +1,12 @@
>>> +XFAIL: *
>>> +
>>> +RUN: mkdir -p %t.d
>>> +RUN: cd %t.d
>>> +
>>> +RUN: %clang --coverage -o %t %S/../Inputs/instrprof-gcov-fork.c
>>> +RUN: test -f instrprof-gcov-fork.gcno
>>> +
>>> +RUN: rm -f instrprof-gcov-fork.gcda
>>> +RUN: %run %t
>>> +RUN: llvm-cov gcov -b -c instrprof-gcov-fork.gcda
>>> +RUN: FileCheck --match-full-lines --strict-whitespace --input-file
>>> instrprof-gcov-fork.c.gcov %S/../Inputs/instrprof-gcov-fork.c.gcov
>>>
>>>
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