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Expand gem_set_cacheing testing to handle the proposed DISPLAY domain

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This commit is contained in:
Chris Wilson
2013-08-10 15:49:33 +01:00
parent dbbf2e9b24
commit 467796acc8
7 changed files with 173 additions and 90 deletions
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tests/gem_pwrite.c
+25 -13
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@@ -90,6 +90,15 @@ int main(int argc, char **argv)
uint32_t buf[20];
uint32_t *src, dst;
int fd, count;
const struct {
int level;
const char *name;
} cache[] = {
{ 0, "uncached" },
{ 1, "snoop" },
{ 2, "display" },
{ -1 },
}, *c;
drmtest_skip_on_simulation();
@@ -104,32 +113,35 @@ int main(int argc, char **argv)
dst = gem_create(fd, object_size);
src = malloc(object_size);
gem_set_cacheing(fd, dst, 0);
for (count = 1; count <= 1<<17; count <<= 1) {
struct timeval start, end;
gettimeofday(&start, NULL);
do_gem_write(fd, dst, src, object_size, count);
gettimeofday(&end, NULL);
printf("Time to uncached pwrite %d bytes x %6d: %7.3fµs, %s\n",
printf("Time to pwrite %d bytes x %6d: %7.3fµs, %s\n",
object_size, count,
elapsed(&start, &end, count),
bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
fflush(stdout);
}
gem_set_cacheing(fd, dst, 1);
for (count = 1; count <= 1<<17; count <<= 1) {
struct timeval start, end;
for (c = cache; c->level != -1; c++) {
if (gem_set_cacheing(fd, dst, c->level))
continue;
gettimeofday(&start, NULL);
do_gem_write(fd, dst, src, object_size, count);
gettimeofday(&end, NULL);
printf("Time to snooped pwrite %d bytes x %6d: %7.3fµs, %s\n",
object_size, count,
elapsed(&start, &end, count),
bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
fflush(stdout);
for (count = 1; count <= 1<<17; count <<= 1) {
struct timeval start, end;
gettimeofday(&start, NULL);
do_gem_write(fd, dst, src, object_size, count);
gettimeofday(&end, NULL);
printf("Time to %s pwrite %d bytes x %6d: %7.3fµs, %s\n",
c->level, object_size, count,
elapsed(&start, &end, count),
bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
fflush(stdout);
}
}
free(src);