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Summary:
On AIX psutil can run into problems with permissions to read the process
tree, which causes problems for python timeout tests which need to kill off
a test and it's children.
This patch adds a workaround by invoking shell via subprocess and using a
platform specific option to ps to list all the descendant processes so we can
kill them. We add some checks so lit can tell whether timeout tests are
supported with out exposing whether we are utilizing the psutil
implementation or the alternative.
Reviewers: hubert.reinterpretcast, andusy, davide, delcypher
Reviewed By: delcypher
Subscribers: davide, delcypher, christof, lldb-commits, libcxx-commits, llvm-commits
Tags: #lldb, #libc, #llvm
Differential Revision: https://reviews.llvm.org/D64251
llvm-svn: 366912
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Summary:
The technique of directly calling subprocess.Popen on a python script
doesn't work on Windows. The executable path of the command must refer
to a valid win32 executable.
Instead, rename all the python scripts masquerading as gtest executables
to have .py extensions, so we can easily detect then and call the python
executable for them. Do this on Linux as well as Windows for
consistency.
The test suite directory names also come out in lower-case on Windows.
We can consider removing that in a later patch. This change just updates
the FileCheck lines to match on Windows.
Fixes PR33933
Reviewers: modocache, mgorny
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D35909
llvm-svn: 309347
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Summary:
rL257221 attempted to run lit's own test suite continuously, but that
commit was reverted because lit's test suite does not pass on Windows.
Because lit's tests do not run continuously, they often regress.
In order to un-revert rL257221, mark lit tests that fail as XFAIL for
Windows platforms.
Test Plan:
On a Windows development environment, follow the instructions in
utils/lit/README.txt to run lit's test suite:
```
utils/lit/lit.py \
--path /path/to/your/llvm/build/bin \
utils/lit/tests
```
Verify that the test suite is run and a successful exit code is
returned.
Reviewers: mgorny, rnk, delcypher, beanz
Reviewed By: rnk
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D35879
llvm-svn: 309123
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This should work with ShTest (executed externally or internally) and GTest
test formats.
To set the timeout a new option ``--timeout=`` has
been added which specifies the maximum run time of an individual test
in seconds. By default this 0 which causes no timeout to be enforced.
The timeout can also be set from a lit configuration file by modifying
the ``lit_config.maxIndividualTestTime`` property.
To implement a timeout we now require the psutil Python module if a
timeout is requested. This dependency is confined to the newly added
``lit.util.killProcessAndChildren()``. A note has been added into the
TODO document describing how we can remove the dependency on the
``pustil`` module in the future. It would be nice to remove this
immediately but that is a lot more work and Daniel Dunbar believes it is
better that we get a working implementation first and then improve it.
To avoid breaking the existing behaviour the psutil module will not be
imported if no timeout is requested.
The included testcases are derived from test cases provided by
Jonathan Roelofs which were in an previous attempt to add a per test
timeout to lit (http://reviews.llvm.org/D6584). Thanks Jonathan!
Reviewers: ddunbar, jroelofs, cmatthews, MatzeB
Subscribers: cmatthews, llvm-commits
Differential Revision: http://reviews.llvm.org/D14706
llvm-svn: 256471
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