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2017-11-16tests: Add tests for DRAM low power modesRadhika Jagtap
This patch adds two regression tests that execute the script in the configs dir for triggering low power mode transitions. A separate test is required for each page policy because for close-adaptive page policy the DRAM goes into the Precharge Power-down mode while for open-adaptive page policy it goes into the Activate Power-down mode. Change-Id: Iad61af23f132db046f2857cc3ef64b2bf42cf5e4 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5726 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-07-17tests: Don't treat new stats as a cause for failuresAndreas Sandberg
We currently fail the stat diff stage of tests if there are new stats. This is usually undesirable since this would require any change that adds a stat to also update the regressions. Change-Id: Ieadebac6fd17534e1b49b6b9a1d56f037a423325 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-on: https://gem5-review.googlesource.com/3962 Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-06-16tests: Fix a typo for the default MI_example protocolSean Wilson
Change-Id: I1c88ba45e4fee3c254db06cac46045dfe6e68524 Signed-off-by: Sean Wilson <spwilson2@wisc.edu> Reviewed-on: https://gem5-review.googlesource.com/3795 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-06-13scons: Make MOESI_CMP_directory the default ARM ruby protocolNikos Nikoleris
Previously ARM binaries were by default compiled with the MI_example protocol. The MI_example protocol cannot properly support load/store exclusive instructions and therefore it cannot be used to simulate multicore ARM systems. This change changes to MOESI_CMP_directory as the default ruby protocol for ARM systems. Change-Id: I942d950ba466aea9a75f3d8764f9f3eddd0c3baa Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2906 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-02-27tests: Disable descriptions in stat filesAndreas Sandberg
Don't output verbose text descriptions in stat files when running tests. This saves a lot of space when storing reference data. Change-Id: I2a7ead4843586e800ecf83846694b73f0c356373 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com>
2017-02-10misc: Update #!env calls for python to explicit versionJason Lowe-Power
In some newer Linux distributions, env python default to Python 3.0. This patch explicitly uses "python2" instead of just "python" for all scripts that use #! Reported-by: Sanchayan Maity <maitysanchayan@gmail.com> Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
2016-09-16tests: Add support for functional only testsAndreas Sandberg
Modify the ClassicTest class to only emit a stat verification test unit if there is a reference stat file. This makes it possible to design tests that don't care about stat changes. To generate purely functional tests, we need to be able to create empty test reference directories. This does not work well with many revision control systems. As a workaround, add a file named EMPTY to the list of ignored files in the test harness. This file can be used as a placeholder in otherwise empty test directories. Change-Id: I583c8c4e55479f0d48fa99d0b0d1eac9221e6652 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
2016-07-22tests: Add regex-based ignore rules for ref filesAndreas Sandberg
There are cases where we need to ignore files with specific extensions (e.g., when Mercurial litters the file system with patch rejects). Implement this functionality using a helper class (FileIgnoreList) that supports both regular expressions and basic string comparisons. Change-Id: I34549754bd2e10ed230ffb2dc057403349f8fa78 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-06-20tests: Split test results into running and verificationAndreas Sandberg
The test base class already assumes that test cases consists of a run stage and a verification stage. Reflect this in the results class to make it possible to detect cases where a run was successful, but didn't verify. Change-Id: I31ef393e496671221c5408aca41649cd8dda74ca Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
2016-06-02tests: add 'CHANGED' output to pickle viewerCurtis Dunham
Change-Id: I64c69fde8657c273adea69122877c5348a4f867a Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-06-02tests: Only run Ruby tests when testing Ruby targetsAndreas Sandberg
Limit the test configs to Ruby-only configs when testing a Ruby target that isn't MI_example. This avoids re-running configs that has already been tested by the generic (non-Ruby) ISA target. This behavior was the expected behavior prior to switching to the new test framework. Change-Id: I3f138dbf9c7071ce862d1073aaec57c59afbc921 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
2016-05-31tests: Fix incorrect stat.txt ignore when updating refsAndreas Sandberg
ClassicTest was incorrectly ignoring stats.txt when updating reference statistics. This was caused by ignore rules being applied too aggressively when listing reference files. This changeset splits the ignore rules into two different lists: 1) diff_ignore_files that lists the files that shouldn't be diff:ed using the normal diff tool, and 2) ref_ignore_files which lists files that should be ignored by the test system. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-05-26tests: Add test infrastructure as a Python moduleAndreas Sandberg
Implement gem5's test infrastructure as a Python module and a run script that can be used without scons. The new implementation has several features that were lacking from the previous test infrastructure such as support for multiple output formats, automatic runtime tracking, and better support for being run in a cluster environment. Tests consist of one or more steps (TestUnit). Units are run in two stages, the first a run stage and then a verify stage. Units in the verify stage are automatically skipped if any unit run stage wasn't run. The library currently contains TestUnit implementations that run gem5, diff stat files, and diff output files. Existing tests are implemented by the ClassicTest class and "just work". New tests can that don't rely on the old "run gem5 once and diff output" strategy can be implemented by subclassing the Test base class or ClassicTest. Test results can be output in multiple formats. The module currently supports JUnit, text (short and verbose), and Python's pickle format. JUnit output allows CI systems to automatically get more information about test failures. The pickled output contains all state necessary to reconstruct a tests results object and is mainly intended for the build system and CI systems. Since many JUnit parsers parsers assume that test suite names look like Java package names. We currently output path-like names with slashes separating components. Test names are translated according to these rules: * '.' -> '-" * '/' -> '.' The test tool, tests.py, supports the following features: * Test listing. Example: ./tests.py list arm/quick * Running tests. Example: ./tests.py run -o output.pickle --format pickle \ ../build/ARM/gem5.opt \ quick/se/00.hello/arm/linux/simple-timing * Displaying pickled results. Example: ./tests.py show --format summary *.pickle Change-Id: I527164bd791237aacfc65e7d7c0b67b695c5d17c Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Joel Hestness <jthestness@gmail.com>