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igt/gem_exec_blt: Do a warmup run first

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Sometimes it takes a pass for the GPU to come up to full speed, so do a
"cold" pass first.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-03-23 20:57:02 +00:00
parent 6259d0a36b
commit 4f78f9ffa2
1 changed files with 16 additions and 19 deletions
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35
tests/gem_exec_blt.c
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@ -241,6 +241,7 @@ static void run(int object_size, bool dumb)
execbuf.flags = ring;
do_ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf);
}
gem_sync(fd, handle);
for (count = 1; count <= 1<<12; count <<= 1) {
struct timeval start, end;
@ -269,27 +270,23 @@ int main(int argc, char **argv)
igt_skip_on_simulation();
igt_subtest("normal") {
if (argc > 1) {
for (i = 1; i < argc; i++) {
int object_size = atoi(argv[i]);
if (object_size)
run((object_size + 3) & -4, false);
}
} else
run(OBJECT_SIZE, false);
if (argc > 1) {
for (i = 1; i < argc; i++) {
int object_size = atoi(argv[i]);
if (object_size)
run((object_size + 3) & -4, false);
}
return 0;
}
igt_subtest("dumb-buf") {
if (argc > 1) {
for (i = 1; i < argc; i++) {
int object_size = atoi(argv[i]);
if (object_size)
run((object_size + 3) & -4, true);
}
} else
run(OBJECT_SIZE, true);
}
igt_subtest("cold")
run(OBJECT_SIZE, false);
igt_subtest("normal")
run(OBJECT_SIZE, false);
igt_subtest("dumb-buf")
run(OBJECT_SIZE, true);
igt_exit();
}