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2016-03-19lib/igt_aux: Divert ioctls for signal injectionChris Wilson
To simplify and speed up running interruptible tests, use a custom ioctl() function that control the signaling and detect when we need no more iterations to trigger an interruption. We use a realtime timer to inject the signal after a certain delay, increasing the delay on every loop to try and exercise different code paths within the function. The first delay is very short such that we hopefully enter the kernel with a pending signal. Clients should use struct igt_sigiter iter = {}; while (igt_sigiter_repeat(&iter, enable_interrupts=true)) do_test() to automatically repeat the test until we can inject no more signals into the ioctls. This is condensed into a macro igt_interruptible(enable_interrupts=true) do_test(); for convenience. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2016-03-19lib/tests: More igt_subtest_group checksDaniel Vetter
... for some cases discussed with Chris on irc. We seem to get them all right. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-03-19lib: Add igt_subtest_groupDaniel Vetter
Useful for creating common setup code in igt_fixture which is only needed by a subset of tests. And since I'm a good citizen it comes with a library testcase/example included. v2: Make testcase nastier to ensure a subtest group SKIPS when it's parent is skipping already. I accidentally got this right, but let's make sure. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-03-08lib: Unit test for exit handlerDaniel Vetter
Checks that - exit handlers are run only once, even when registered multiple times. - run in reverse order - actually run for all ways a test could exit. This is prep work to extend exit handlers to also work in a subtest aware way. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-11-03lib/tests: Add igt_assert_*() self-testsDaniel Stone
Make sure our igt_assert variants are doing something that looks vaguely like the right thing. Signed-off-by: Daniel Stone <daniels@collabora.com>
2015-09-24lib/tests: explicitly raise SIGSEGVThomas Wood
Dereferencing a NULL pointer is undefined behaviour and may not always result in a segmentation fault. Explicitly raise the SIGSEGV signal to test handling of this signal. v2: include signal.h (Derek Morton) Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-08-13benckmarks/Android.mk: Fix building benchmarks for AndroidDerek Morton
The commit "benchmarks: Do not install to system-wide bin/" changed the benchmark file list from bin_PROGRAMS to benchmarks_PROGRAMS. However Android.mk was not updated, resulting in IGT failing to build for Android. This commit adds that change. It also adds LOCAL_MODULE_PATH to specify where the built benchmarks should be put. v2: I discovered that the existing definitions of LOCAL_MODULE_PATH were creating what should have been an invalid path. Not sure how it was ever working previously, but fixed now. Signed-off-by: Derek Morton <derek.j.morton@intel.com> Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-08-12lib/core: Add optional reason for timeout failureDaniel Vetter
"Timed out" isn't a terribly informative message, allow users to set something more informative. Inspired by a request from Jesse. Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-19igt/stats: Fixup tests to compile after interface changesChris Wilson
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2015-07-02build: Add DEBUG_FLAGS to tools and self-testsDamien Lespiau
Makes using GDB better on those binaries. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Exercise the reallocation pathsDamien Lespiau
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Spwan igt_init_with_size() from igt_init()Damien Lespiau
It's all about good looking APIs. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Test we do correctly invalidate the sorted arrayDamien Lespiau
Chris had a doubt, and I was lazy and didn't do a similar test for the quartiles/median than for the mean (test_invalidate_mean()). Plug that gap. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Add support for the interquartile range (IQR)Damien Lespiau
IQR is a good measure of dispersion. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Add support for quartiles (and thus median)Damien Lespiau
More stuff, quite useful characteristics of a dataset. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Use igt_assert_eq_double() when asserting on doublesDamien Lespiau
Lucky enough to have exact values, == works! Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Add igt_stats_get_range()Damien Lespiau
Somewhat useful, for instance to size an histogram. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Add functions to retrieve min/max values of the datasetDamien Lespiau
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Factor out a fixture to initialize statsDamien Lespiau
We're going to use this simple fixture once more, might as well make a function instead of copy/pasting code. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Add a getter for the population propertyDamien Lespiau
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Add a way to specify if the data set is a population or a sampleDamien Lespiau
This changes how we compute the variance. We want an unbiased variance when reasoning about a sample. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Zero the whole structure at init() timeDamien Lespiau
Because the structure started small, I initialized every member directly, but that means that the new fields added weren't properly initialized (sigh!). Zero the whole thing first then. Also, the punishment for introducing a bug should be to write the corresponding unit test. It's not a perfect one, but I'll take it. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27tests/stats: Make sure we properly invalidate the cached meanDamien Lespiau
Sure, that's an implementation details, but make sure we do recompute the mean when we add a new value. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Add a way to retrieve the standard deviationDamien Lespiau
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27tests/igt_stats: Call igt_stats_fini() to not leak the arrayDamien Lespiau
Sure, it'll be freed at exit(), but might as well be a bit pedantic. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27stats: Be more precise and talk about mean, not averageDamien Lespiau
There are several types of averages eg. mean, median and mode. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-25lib: Add a tiny utility function to compute averagesDamien Lespiau
The master plan would be to get a bit more stats in it, at least the standard deviation and confidence interval. Just need the average for now. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-15lib/tests/igt_segfault Add unit test to test segfault handlingDerek Morton
Unit test to check a segfaulting subtest is handled correctly. v2: Added script to check subtest results v3: Removed script. Updated test to use fork to monitor return status. v4: Added igt_segfault to .gitignore Signed-off-by: Derek Morton <derek.j.morton@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-05-27lib: Enable building unit tests on androidDerek Morton
Add a make file for android so the unit tests can be built. Enabled asserts for the library code so the unit test behaviour is correct. Signed-off-by: Derek Morton <derek.j.morton@intel.com> Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-04-14tests: create a single combined test listThomas Wood
All tests now respond in a consistent way such that separate lists for tests with and without subtests are no longer necessary. v2: fix other references to the test list Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-04-14lib: use test failure status for igt_set_timeoutThomas Wood
Use a failure status code for timeout to avoid confusion between tests that take too long to execute versus a failure due to an operation taking longer than expected. v2: Add a "timed out" message before exiting. (Daniel Vetter) Fix the timeout library check by disabling hard errors in xfail tests, since these share the same exit status as test failure. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-03-30lib/tests: add missing library flagsThomas Wood
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-02-25lib/tests: update .gitignoreThomas Wood
2015-02-25lib: remove handled option arguments from argvThomas Wood
Remove options from argv that have been handled by getopt to allow additional non-option parameters to be processed in the test application. This fixes issues when using options such as --debug with tests that accept additional non-option parameters. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-02-09lib/tests: check that invalid subtest names are rejectedThomas Wood
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-02-09lib/tests: verify subtest enumeration outputThomas Wood
Check that the subtest list is not empty if using --list-subtests returns with an exit code of 0, and that the list is empty if it returns with 79. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2014-11-25lib: ensure subtests are not added to simple testsThomas Wood
Simple tests do not support subtests, so fail if igt_subtest is used in one. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2014-11-13lib/tests: add a test for igt_set_timeoutThomas Wood
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2014-11-06lib/tests: don't use hard error status to indicate test failureThomas Wood
An exit status of 99 is reported separately in the test summary as an error, rather than as a test failure. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2014-11-06lib/tests: fix tests and test list locationThomas Wood
The igt_command_line.sh script was moved by commit 685e577 (Move library selftests to lib/tests), but the location of the tests and the test lists was not updated. Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2014-10-29lib/tests: use the "check_" prefix for testsThomas Wood
The "check_" prefix ensures the test programs are not installed and are only built when "make check" is run. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2014-10-29build: fix distcheckThomas Wood
Fix distcheck issues introduced by commit 685e577 (Move library selftests to lib/tests). Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2014-10-29Move library selftests to lib/testsDaniel Vetter
Again they're not really igt testcases so are in the way of running spatch unconditionally. Move them someplace else. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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