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igt/gem_ctx_create: Exercise implicit per-fd context creation

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-02 09:19:28 +00:00
parent fbe92a222e
commit 02befb8b03
1 changed files with 41 additions and 2 deletions
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43
tests/gem_ctx_create.c
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@ -45,6 +45,43 @@ static double elapsed(const struct timespec *start,
return (end->tv_sec - start->tv_sec) + 1e-9*(end->tv_nsec - start->tv_nsec);
}
static void files(int core, int timeout)
{
const uint32_t bbe = MI_BATCH_BUFFER_END;
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 obj;
struct timespec start, end;
uint32_t batch, name;
unsigned count = 0;
batch = gem_create(core, 4096);
gem_write(core, batch, 0, &bbe, sizeof(bbe));
name = gem_flink(core, batch);
memset(&obj, 0, sizeof(obj));
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = (uintptr_t)&obj;
execbuf.buffer_count = 1;
clock_gettime(CLOCK_MONOTONIC, &start);
do {
do {
int fd = drm_open_driver(DRIVER_INTEL);
obj.handle = gem_open(fd, name);
gem_execbuf(fd, &execbuf);
close(fd);
} while (++count & 1023);
clock_gettime(CLOCK_MONOTONIC, &end);
} while (elapsed(&start, &end) < timeout);
gem_sync(core, batch);
clock_gettime(CLOCK_MONOTONIC, &end);
igt_info("File creation + execution: %.3f us\n",
elapsed(&start, &end) / count *1e6);
gem_close(core, batch);
}
static void active(int fd, int timeout)
{
const uint32_t bbe = MI_BATCH_BUFFER_END;
@ -64,7 +101,6 @@ static void active(int fd, int timeout)
clock_gettime(CLOCK_MONOTONIC, &start);
do {
do {
execbuf.rsvd1 = gem_context_create(fd);
gem_execbuf(fd, &execbuf);
gem_context_destroy(fd, execbuf.rsvd1);
@ -86,7 +122,7 @@ igt_main
int fd;
igt_fixture {
fd = drm_open_driver_render(DRIVER_INTEL);
fd = drm_open_driver(DRIVER_INTEL);
memset(&create, 0, sizeof(create));
igt_require(__gem_context_create(fd, &create) == 0);
@ -109,6 +145,9 @@ igt_main
igt_assert_eq(__gem_context_create(fd, &create), -EINVAL);
}
igt_subtest("files")
files(fd, 20);
igt_subtest("active")
active(fd, 20);