diff options
Diffstat (limited to 'spa/tests')
-rw-r--r-- | spa/tests/benchmark-dict.c | 145 | ||||
-rw-r--r-- | spa/tests/benchmark-pod.c | 294 | ||||
-rw-r--r-- | spa/tests/meson.build | 58 | ||||
-rw-r--r-- | spa/tests/spa-include-test-template.c | 5 | ||||
-rw-r--r-- | spa/tests/stress-ringbuffer.c | 147 |
5 files changed, 649 insertions, 0 deletions
diff --git a/spa/tests/benchmark-dict.c b/spa/tests/benchmark-dict.c new file mode 100644 index 0000000..c47845e --- /dev/null +++ b/spa/tests/benchmark-dict.c @@ -0,0 +1,145 @@ +/* Spa + * + * Copyright © 2020 Wim Taymans + * + * 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 <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <time.h> +#include <assert.h> + +#include <spa/utils/dict.h> +#include <spa/utils/string.h> + +#define MAX_COUNT 100000 +#define MAX_ITEMS 1000 + +static struct spa_dict_item items[MAX_ITEMS]; +static char values[MAX_ITEMS][32]; + +static void gen_values(void) +{ + uint32_t i, j, idx; + static const char chars[] = "abcdefghijklmnopqrstuvwxyz.:*ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + + for (i = 0; i < MAX_ITEMS; i++) { + for (j = 0; j < 32; j++) { + idx = random() % sizeof(chars); + values[i][j] = chars[idx]; + } + idx = random() % 16; + values[i][idx + 16] = 0; + } +} + +static void gen_dict(struct spa_dict *dict, uint32_t n_items) +{ + uint32_t i, idx; + + for (i = 0; i < n_items; i++) { + idx = random() % MAX_ITEMS; + items[i] = SPA_DICT_ITEM_INIT(values[idx], values[idx]); + } + dict->items = items; + dict->n_items = n_items; + dict->flags = 0; +} + +static void test_query(const struct spa_dict *dict) +{ + uint32_t i, idx; + const char *str; + + for (i = 0; i < MAX_COUNT; i++) { + idx = random() % dict->n_items; + str = spa_dict_lookup(dict, dict->items[idx].key); + assert(spa_streq(str, dict->items[idx].value)); + } +} + +static void test_lookup(struct spa_dict *dict) +{ + struct timespec ts; + uint64_t t1, t2, t3, t4; + + clock_gettime(CLOCK_MONOTONIC, &ts); + t1 = SPA_TIMESPEC_TO_NSEC(&ts); + + test_query(dict); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t2 = SPA_TIMESPEC_TO_NSEC(&ts); + + fprintf(stderr, "%d elapsed %"PRIu64" count %u = %"PRIu64"/sec\n", dict->n_items, + t2 - t1, MAX_COUNT, MAX_COUNT * (uint64_t)SPA_NSEC_PER_SEC / (t2 - t1)); + + spa_dict_qsort(dict); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t3 = SPA_TIMESPEC_TO_NSEC(&ts); + + fprintf(stderr, "%d sort elapsed %"PRIu64"\n", dict->n_items, t3 - t2); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t3 = SPA_TIMESPEC_TO_NSEC(&ts); + + test_query(dict); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t4 = SPA_TIMESPEC_TO_NSEC(&ts); + + fprintf(stderr, "%d elapsed %"PRIu64" count %u = %"PRIu64"/sec %f speedup\n", dict->n_items, + t4 - t3, MAX_COUNT, MAX_COUNT * (uint64_t)SPA_NSEC_PER_SEC / (t4 - t3), + (double)(t2 - t1) / (t4 - t2)); +} + +int main(int argc, char *argv[]) +{ + struct spa_dict dict; + + spa_zero(dict); + gen_values(); + + /* warmup */ + gen_dict(&dict, 1000); + test_query(&dict); + + gen_dict(&dict, 10); + test_lookup(&dict); + + gen_dict(&dict, 20); + test_lookup(&dict); + + gen_dict(&dict, 50); + test_lookup(&dict); + + gen_dict(&dict, 100); + test_lookup(&dict); + + gen_dict(&dict, 1000); + test_lookup(&dict); + + return 0; +} diff --git a/spa/tests/benchmark-pod.c b/spa/tests/benchmark-pod.c new file mode 100644 index 0000000..8af1a5f --- /dev/null +++ b/spa/tests/benchmark-pod.c @@ -0,0 +1,294 @@ +/* Spa + * + * Copyright © 2019 Wim Taymans + * + * 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 <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <time.h> + +#include <spa/pod/pod.h> +#include <spa/pod/builder.h> +#include <spa/pod/parser.h> +#include <spa/param/video/format-utils.h> +#include <spa/debug/pod.h> + +#define MAX_COUNT 10000000 + +static void test_builder(void) +{ + uint8_t buffer[1024]; + struct spa_pod_builder b = { NULL, }; + struct spa_pod_frame f[2]; + struct timespec ts; + uint64_t t1, t2; + uint64_t count = 0; + + clock_gettime(CLOCK_MONOTONIC, &ts); + t1 = SPA_TIMESPEC_TO_NSEC(&ts); + + fprintf(stderr, "test_builder() : "); + for (count = 0; count < MAX_COUNT; count++) { + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + + spa_pod_builder_push_object(&b, &f[0], SPA_TYPE_OBJECT_Format, 0); + spa_pod_builder_prop(&b, SPA_FORMAT_mediaType, 0); + spa_pod_builder_id(&b, SPA_MEDIA_TYPE_video); + spa_pod_builder_prop(&b, SPA_FORMAT_mediaSubtype, 0); + spa_pod_builder_id(&b, SPA_MEDIA_SUBTYPE_raw); + + spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_format, 0); + spa_pod_builder_push_choice(&b, &f[1], SPA_CHOICE_Enum, 0); + spa_pod_builder_id(&b, SPA_VIDEO_FORMAT_I420); + spa_pod_builder_id(&b, SPA_VIDEO_FORMAT_I420); + spa_pod_builder_id(&b, SPA_VIDEO_FORMAT_YUY2); + spa_pod_builder_pop(&b, &f[1]); + + struct spa_rectangle size_min_max[] = { {1, 1}, {INT32_MAX, INT32_MAX} }; + spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_size, 0); + spa_pod_builder_push_choice(&b, &f[1], SPA_CHOICE_Range, 0); + spa_pod_builder_rectangle(&b, 320, 240); + spa_pod_builder_raw(&b, size_min_max, sizeof(size_min_max)); + spa_pod_builder_pop(&b, &f[1]); + + struct spa_fraction rate_min_max[] = { {0, 1}, {INT32_MAX, 1} }; + spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_framerate, 0); + spa_pod_builder_push_choice(&b, &f[1], SPA_CHOICE_Range, 0); + spa_pod_builder_fraction(&b, 25, 1); + spa_pod_builder_raw(&b, rate_min_max, sizeof(rate_min_max)); + spa_pod_builder_pop(&b, &f[1]); + + spa_pod_builder_pop(&b, &f[0]); + clock_gettime(CLOCK_MONOTONIC, &ts); + t2 = SPA_TIMESPEC_TO_NSEC(&ts); + if (t2 - t1 > 1 * SPA_NSEC_PER_SEC) + break; + } + fprintf(stderr, "elapsed %"PRIu64" count %"PRIu64" = %"PRIu64"/sec\n", + t2 - t1, count, count * (uint64_t)SPA_NSEC_PER_SEC / (t2 - t1)); +} + +static void test_builder2(void) +{ + uint8_t buffer[1024]; + struct spa_pod_builder b = { NULL, }; + struct timespec ts; + uint64_t t1, t2; + uint64_t count = 0; + + clock_gettime(CLOCK_MONOTONIC, &ts); + t1 = SPA_TIMESPEC_TO_NSEC(&ts); + + fprintf(stderr, "test_builder2() : "); + for (count = 0; count < MAX_COUNT; count++) { + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + + spa_pod_builder_add_object(&b, + SPA_TYPE_OBJECT_Format, 0, + SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video), + SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw), + SPA_FORMAT_VIDEO_format, SPA_POD_CHOICE_ENUM_Id(3, + SPA_VIDEO_FORMAT_I420, + SPA_VIDEO_FORMAT_I420, + SPA_VIDEO_FORMAT_YUY2), + SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle( + &SPA_RECTANGLE(320, 240), + &SPA_RECTANGLE(1, 1), + &SPA_RECTANGLE(INT32_MAX, INT32_MAX)), + SPA_FORMAT_VIDEO_framerate, SPA_POD_CHOICE_RANGE_Fraction( + &SPA_FRACTION(25,1), + &SPA_FRACTION(0,1), + &SPA_FRACTION(INT32_MAX,1))); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t2 = SPA_TIMESPEC_TO_NSEC(&ts); + if (t2 - t1 > 1 * SPA_NSEC_PER_SEC) + break; + } + fprintf(stderr, "elapsed %"PRIu64" count %"PRIu64" = %"PRIu64"/sec\n", + t2 - t1, count, count * (uint64_t)SPA_NSEC_PER_SEC / (t2 - t1)); +} + +static void test_parse(void) +{ + uint8_t buffer[1024]; + struct spa_pod_builder b = { NULL, }; + struct timespec ts; + uint64_t t1, t2; + uint64_t count = 0; + struct spa_pod *fmt; + + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + + fmt = spa_pod_builder_add_object(&b, + SPA_TYPE_OBJECT_Format, 0, + SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video), + SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw), + SPA_FORMAT_VIDEO_format, SPA_POD_CHOICE_ENUM_Id(3, + SPA_VIDEO_FORMAT_I420, + SPA_VIDEO_FORMAT_I420, + SPA_VIDEO_FORMAT_YUY2), + SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle( + &SPA_RECTANGLE(320, 240), + &SPA_RECTANGLE(1, 1), + &SPA_RECTANGLE(INT32_MAX, INT32_MAX)), + SPA_FORMAT_VIDEO_framerate, SPA_POD_CHOICE_RANGE_Fraction( + &SPA_FRACTION(25,1), + &SPA_FRACTION(0,1), + &SPA_FRACTION(INT32_MAX,1))); + + spa_pod_fixate(fmt); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t1 = SPA_TIMESPEC_TO_NSEC(&ts); + + fprintf(stderr, "test_parse() : "); + for (count = 0; count < MAX_COUNT; count++) { + struct { + uint32_t media_type; + uint32_t media_subtype; + uint32_t format; + struct spa_rectangle size; + struct spa_fraction framerate; + } vals; + struct spa_pod_prop *prop; + + spa_zero(vals); + + SPA_POD_OBJECT_FOREACH((struct spa_pod_object*)fmt, prop) { + uint32_t n_vals, choice; + struct spa_pod *pod = spa_pod_get_values(&prop->value, &n_vals, &choice); + + switch(prop->key) { + case SPA_FORMAT_mediaType: + spa_pod_get_id(pod, &vals.media_type); + break; + case SPA_FORMAT_mediaSubtype: + spa_pod_get_id(pod, &vals.media_subtype); + break; + case SPA_FORMAT_VIDEO_format: + spa_pod_get_id(pod, &vals.format); + break; + case SPA_FORMAT_VIDEO_size: + spa_pod_get_rectangle(pod, &vals.size); + break; + case SPA_FORMAT_VIDEO_framerate: + spa_pod_get_fraction(pod, &vals.framerate); + break; + default: + break; + } + } + spa_assert(vals.media_type == SPA_MEDIA_TYPE_video); + spa_assert(vals.media_subtype == SPA_MEDIA_SUBTYPE_raw); + spa_assert(vals.format == SPA_VIDEO_FORMAT_I420); + spa_assert(vals.size.width == 320 && vals.size.height == 240); + spa_assert(vals.framerate.num == 25 && vals.framerate.denom == 1); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t2 = SPA_TIMESPEC_TO_NSEC(&ts); + if (t2 - t1 > 1 * SPA_NSEC_PER_SEC) + break; + } + fprintf(stderr, "elapsed %"PRIu64" count %"PRIu64" = %"PRIu64"/sec\n", + t2 - t1, count, count * (uint64_t)SPA_NSEC_PER_SEC / (t2 - t1)); +} + +static void test_parser(void) +{ + uint8_t buffer[1024]; + struct spa_pod_builder b = { NULL, }; + struct timespec ts; + uint64_t t1, t2; + uint64_t count = 0; + struct spa_pod *fmt; + + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + + fmt = spa_pod_builder_add_object(&b, + SPA_TYPE_OBJECT_Format, 0, + SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video), + SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw), + SPA_FORMAT_VIDEO_format, SPA_POD_CHOICE_ENUM_Id(3, + SPA_VIDEO_FORMAT_I420, + SPA_VIDEO_FORMAT_I420, + SPA_VIDEO_FORMAT_YUY2), + SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle( + &SPA_RECTANGLE(320, 240), + &SPA_RECTANGLE(1, 1), + &SPA_RECTANGLE(INT32_MAX, INT32_MAX)), + SPA_FORMAT_VIDEO_framerate, SPA_POD_CHOICE_RANGE_Fraction( + &SPA_FRACTION(25,1), + &SPA_FRACTION(0,1), + &SPA_FRACTION(INT32_MAX,1))); + + spa_pod_fixate(fmt); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t1 = SPA_TIMESPEC_TO_NSEC(&ts); + + fprintf(stderr, "test_parser() : "); + for (count = 0; count < MAX_COUNT; count++) { + struct { + uint32_t media_type; + uint32_t media_subtype; + uint32_t format; + struct spa_rectangle size; + struct spa_fraction framerate; + } vals; + + spa_zero(vals); + + spa_pod_parse_object(fmt, + SPA_TYPE_OBJECT_Format, NULL, + SPA_FORMAT_mediaType, SPA_POD_Id(&vals.media_type), + SPA_FORMAT_mediaSubtype, SPA_POD_Id(&vals.media_subtype), + SPA_FORMAT_VIDEO_format, SPA_POD_Id(&vals.format), + SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&vals.size), + SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&vals.framerate)); + + spa_assert(vals.media_type == SPA_MEDIA_TYPE_video); + spa_assert(vals.media_subtype == SPA_MEDIA_SUBTYPE_raw); + spa_assert(vals.format == SPA_VIDEO_FORMAT_I420); + spa_assert(vals.size.width == 320 && vals.size.height == 240); + spa_assert(vals.framerate.num == 25 && vals.framerate.denom == 1); + + clock_gettime(CLOCK_MONOTONIC, &ts); + t2 = SPA_TIMESPEC_TO_NSEC(&ts); + if (t2 - t1 > 1 * SPA_NSEC_PER_SEC) + break; + } + fprintf(stderr, "elapsed %"PRIu64" count %"PRIu64" = %"PRIu64"/sec\n", + t2 - t1, count, count * (uint64_t)SPA_NSEC_PER_SEC / (t2 - t1)); +} + +int main(int argc, char *argv[]) +{ + test_builder(); + test_builder2(); + test_parse(); + test_parser(); + return 0; +} diff --git a/spa/tests/meson.build b/spa/tests/meson.build new file mode 100644 index 0000000..c73c887 --- /dev/null +++ b/spa/tests/meson.build @@ -0,0 +1,58 @@ +# Generate a compilation test for each SPA header, excluding the type-info.h +# ones which have circular dependencies and take some effort to fix. +# Do it for C++ if possible (picks up C++-specific errors), otherwise for C. +find = find_program('find', required: false) +summary({'find (for header testing)': find.found()}, bool_yn: true, section: 'Optional programs') +if find.found() + spa_headers = run_command(find, + meson.project_source_root() / 'spa' / 'include', + '-name', '*.h', + '-not', '-name', 'type-info.h', + '-type', 'f', + '-printf', '%P\n', + check: false) + foreach spa_header : spa_headers.stdout().split('\n') + if spa_header.endswith('.h') # skip empty lines + ext = have_cpp ? 'cpp' : 'c' + src = configure_file(input: 'spa-include-test-template.c', + output: 'spa-include-test-@0@.@1@'.format(spa_header.underscorify(), ext), + configuration: { + 'INCLUDE': spa_header, + }) + executable('spa-include-test-@0@'.format(spa_header.underscorify()), + src, + dependencies: [ spa_dep ], + install: false) + endif + endforeach +endif + +benchmark_apps = [ + 'stress-ringbuffer', + 'benchmark-pod', + 'benchmark-dict', +] + +foreach a : benchmark_apps + benchmark('spa-' + a, + executable('spa-' + a, a + '.c', + dependencies : [ spa_dep, dl_lib, pthread_lib, mathlib ], + install : installed_tests_enabled, + install_dir : installed_tests_execdir, + ), + env : [ + 'SPA_PLUGIN_DIR=@0@'.format(spa_dep.get_variable('plugindir')), + ] + ) + + if installed_tests_enabled + test_conf = configuration_data() + test_conf.set('exec', installed_tests_execdir / 'spa-' + a) + configure_file( + input: installed_tests_template, + output: 'spa-' + a + '.test', + install_dir: installed_tests_metadir, + configuration: test_conf, + ) + endif +endforeach diff --git a/spa/tests/spa-include-test-template.c b/spa/tests/spa-include-test-template.c new file mode 100644 index 0000000..078e897 --- /dev/null +++ b/spa/tests/spa-include-test-template.c @@ -0,0 +1,5 @@ +#include <@INCLUDE@> + +int main(void) { + return 0; +} diff --git a/spa/tests/stress-ringbuffer.c b/spa/tests/stress-ringbuffer.c new file mode 100644 index 0000000..6a7e98f --- /dev/null +++ b/spa/tests/stress-ringbuffer.c @@ -0,0 +1,147 @@ +#include <unistd.h> +#include <pthread.h> +#include <stdio.h> +#include <sched.h> +#include <errno.h> +#include <semaphore.h> + +#include <spa/utils/ringbuffer.h> + +#define DEFAULT_SIZE 0x2000 +#define ARRAY_SIZE 63 +#define MAX_VALUE 0x10000 + +#if defined(__FreeBSD__) || defined(__MidnightBSD__) +#include <sys/param.h> +#if (__FreeBSD_version >= 1400000 && __FreeBSD_version < 1400043) \ + || (__FreeBSD_version < 1300523) || defined(__MidnightBSD__) +static int sched_getcpu(void) { return -1; }; +#endif +#endif + +static struct spa_ringbuffer rb; +static uint32_t size; +static void *data; +static sem_t sem; + +static int fill_int_array(int *array, int start, int count) +{ + int i, j = start; + for (i = 0; i < count; i++) { + array[i] = j; + j = (j + 1) % MAX_VALUE; + } + return j; +} + +static int cmp_array(int *array1, int *array2, int count) +{ + int i; + for (i = 0; i < count; i++) + if (array1[i] != array2[i]) { + printf("%d != %d at offset %d\n", array1[i], array2[i], i); + return 0; + } + + return 1; +} + +static void *reader_start(void *arg) +{ + int i = 0, a[ARRAY_SIZE], b[ARRAY_SIZE]; + + printf("reader started on cpu: %d\n", sched_getcpu()); + + i = fill_int_array(a, i, ARRAY_SIZE); + + while (1) { + uint32_t index; + int32_t avail; + + avail = spa_ringbuffer_get_read_index(&rb, &index); + + if (avail >= (int32_t)(sizeof(b))) { + spa_ringbuffer_read_data(&rb, data, size, index % size, b, sizeof(b)); + spa_ringbuffer_read_update(&rb, index + sizeof(b)); + + if (index >= INT32_MAX - sizeof(a)) + break; + + spa_assert(cmp_array(a, b, ARRAY_SIZE)); + i = fill_int_array(a, i, ARRAY_SIZE); + } + } + sem_post(&sem); + + return NULL; +} + +static void *writer_start(void *arg) +{ + int i = 0, a[ARRAY_SIZE]; + printf("writer started on cpu: %d\n", sched_getcpu()); + + i = fill_int_array(a, i, ARRAY_SIZE); + + while (1) { + uint32_t index; + int32_t avail; + + avail = size - spa_ringbuffer_get_write_index(&rb, &index); + + if (avail >= (int32_t)(sizeof(a))) { + spa_ringbuffer_write_data(&rb, data, size, index % size, a, sizeof(a)); + spa_ringbuffer_write_update(&rb, index + sizeof(a)); + + if (index >= INT32_MAX - sizeof(a)) + break; + + i = fill_int_array(a, i, ARRAY_SIZE); + } + } + sem_post(&sem); + + return NULL; +} + +#define exit_error(msg) \ +do { perror(msg); exit(EXIT_FAILURE); } while (0) + +int main(int argc, char *argv[]) +{ + pthread_t reader_thread, writer_thread; + struct timespec ts; + + printf("starting ringbuffer stress test\n"); + + if (argc > 1) + sscanf(argv[1], "%d", &size); + else + size = DEFAULT_SIZE; + + printf("buffer size (bytes): %d\n", size); + printf("array size (bytes): %zd\n", sizeof(int) * ARRAY_SIZE); + + spa_ringbuffer_init(&rb); + data = malloc(size); + + if (sem_init(&sem, 0, 0) != 0) + exit_error("init_sem"); + + pthread_create(&reader_thread, NULL, reader_start, NULL); + pthread_create(&writer_thread, NULL, writer_start, NULL); + + if (clock_gettime(CLOCK_REALTIME, &ts) != 0) + exit_error("clock_gettime"); + + ts.tv_sec += 2; + + while (sem_timedwait(&sem, &ts) == -1 && errno == EINTR) + continue; + while (sem_timedwait(&sem, &ts) == -1 && errno == EINTR) + continue; + + printf("read %u, written %u\n", rb.readindex, rb.writeindex); + + return 0; +} |