diff options
| -rw-r--r-- | lib/Makefile.sources | 2 | ||||
| -rw-r--r-- | lib/igt_stats.c | 56 | ||||
| -rw-r--r-- | lib/igt_stats.h | 36 | ||||
| -rw-r--r-- | lib/tests/.gitignore | 1 | ||||
| -rw-r--r-- | lib/tests/Makefile.sources | 1 | ||||
| -rw-r--r-- | lib/tests/igt_stats.c | 49 |
6 files changed, 145 insertions, 0 deletions
diff --git a/lib/Makefile.sources b/lib/Makefile.sources index 85dc3215..f8a1b928 100644 --- a/lib/Makefile.sources +++ b/lib/Makefile.sources @@ -12,6 +12,8 @@ libintel_tools_la_SOURCES = \ igt_aux.h \ igt_gt.c \ igt_gt.h \ + igt_stats.c \ + igt_stats.h \ instdone.c \ instdone.h \ intel_batchbuffer.c \ diff --git a/lib/igt_stats.c b/lib/igt_stats.c new file mode 100644 index 00000000..fcf7abe1 --- /dev/null +++ b/lib/igt_stats.c @@ -0,0 +1,56 @@ +/* + * 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" + +void igt_stats_init(igt_stats_t *stats, unsigned int capacity) +{ + stats->values = calloc(capacity, sizeof(*stats->values)); + igt_assert(stats->values); + stats->capacity = capacity; + stats->n_values = 0; +} + +void igt_stats_fini(igt_stats_t *stats) +{ + free(stats->values); +} + +void igt_stats_push(igt_stats_t *stats, uint64_t value) +{ + igt_assert(stats->n_values < stats->capacity); + stats->values[stats->n_values++] = value; +} + +double igt_stats_get_average(igt_stats_t *stats) +{ + unsigned int i; + double a = 0.0; + + for (i = 0; i < stats->n_values; i++) + a += (double)stats->values[i] / stats->n_values; + + return a; +} diff --git a/lib/igt_stats.h b/lib/igt_stats.h new file mode 100644 index 00000000..99dc1c9e --- /dev/null +++ b/lib/igt_stats.h @@ -0,0 +1,36 @@ +/* + * 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 <stdint.h> + +typedef struct { + uint64_t *values; + unsigned int capacity; + unsigned int n_values; +} igt_stats_t; + +void igt_stats_init(igt_stats_t *stats, unsigned int capacity); +void igt_stats_fini(igt_stats_t *stats); +void igt_stats_push(igt_stats_t *stats, uint64_t value); +double igt_stats_get_average(igt_stats_t *stats); 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(); +} |