diff options
author | Damien Lespiau <damien.lespiau@intel.com> | 2015-06-25 12:07:56 +0100 |
---|---|---|
committer | Damien Lespiau <damien.lespiau@intel.com> | 2015-06-25 17:22:03 +0100 |
commit | 06f5f7065fccc5fbb9f65f6f7d348624e2fa0d2b (patch) | |
tree | 76033fe09d29ecf00fa783e4c7755db583f78519 /lib/tests | |
parent | 484e27542d79f78e467004fec5a5192ac6006b34 (diff) |
lib: Add a tiny utility function to compute averages
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>
Diffstat (limited to 'lib/tests')
-rw-r--r-- | lib/tests/.gitignore | 1 | ||||
-rw-r--r-- | lib/tests/Makefile.sources | 1 | ||||
-rw-r--r-- | lib/tests/igt_stats.c | 49 |
3 files changed, 51 insertions, 0 deletions
diff --git a/lib/tests/.gitignore b/lib/tests/.gitignore index 729568b5..65194060 100644 --- a/lib/tests/.gitignore +++ b/lib/tests/.gitignore @@ -8,4 +8,5 @@ igt_no_subtest igt_segfault igt_simple_test_subtests igt_simulation +igt_stats igt_timeout diff --git a/lib/tests/Makefile.sources b/lib/tests/Makefile.sources index 5fa0b315..58ae36b7 100644 --- a/lib/tests/Makefile.sources +++ b/lib/tests/Makefile.sources @@ -6,6 +6,7 @@ check_PROGRAMS = \ igt_no_subtest \ igt_simulation \ igt_simple_test_subtests \ + igt_stats \ igt_timeout \ igt_invalid_subtest_name \ igt_segfault \ diff --git a/lib/tests/igt_stats.c b/lib/tests/igt_stats.c new file mode 100644 index 00000000..e75a203e --- /dev/null +++ b/lib/tests/igt_stats.c @@ -0,0 +1,49 @@ +/* + * Copyright © 2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include "igt_core.h" +#include "igt_stats.h" + +static void test_average(void) +{ + igt_stats_t stats; + double average; + + igt_stats_init(&stats, 5); + + igt_stats_push(&stats, 2); + igt_stats_push(&stats, 4); + igt_stats_push(&stats, 6); + igt_stats_push(&stats, 8); + igt_stats_push(&stats, 10); + + average = igt_stats_get_average(&stats); + + igt_assert(average == (2 + 4 + 6 + 8 + 10) / 5.); +} + +igt_simple_main +{ + test_average(); +} |