The feature was never merged and there has been no progress in the
last year. The subtests are currently skipping on all platforms by
checking a field in the get_aperture ioctl structure that doesn't
exist in the kernel version of the struct.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
---
tests/gem_pread.c | 95 -------------------------------------------------------
1 file changed, 95 deletions(-)
diff --git a/tests/gem_pread.c b/tests/gem_pread.c
index f4cf472..39a46ed 100644
--- a/tests/gem_pread.c
+++ b/tests/gem_pread.c
@@ -40,10 +40,6 @@
#include "drm.h"
#define OBJECT_SIZE 16384
-#define LARGE_OBJECT_SIZE 1024 * 1024
-#define KGRN "\x1B[32m"
-#define KRED "\x1B[31m"
-#define KNRM "\x1B[0m"
static void do_gem_read(int fd, uint32_t handle, void *buf, int len, int loops)
{
@@ -79,8 +75,6 @@ static const char *bytes_per_sec(char *buf, double v)
uint32_t *src, dst;
-uint32_t *dst_user, src_stolen, large_stolen;
-uint32_t *stolen_pf_user, *stolen_nopf_user;
int fd, count;
int main(int argc, char **argv)
@@ -113,8 +107,6 @@ int main(int argc, char **argv)
dst = gem_create(fd, object_size);
src = malloc(object_size);
- src_stolen = gem_create_stolen(fd, object_size);
- dst_user = malloc(object_size);
}
igt_subtest("basic") {
@@ -151,96 +143,9 @@ int main(int argc, char **argv)
}
}
- igt_subtest("stolen-normal") {
- gem_require_stolen_support(fd);
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- do_gem_read(fd, src_stolen, dst_user, object_size, count);
- gettimeofday(&end, NULL);
- usecs = elapsed(&start, &end, count);
- bps = bytes_per_sec(buf, object_size/usecs*1e6);
- igt_info("Time to pread %d bytes x %6d: %7.3fµs, %s\n",
- object_size, count, usecs, bps);
- fflush(stdout);
- }
- }
- for (c = cache; c->level != -1; c++) {
- igt_subtest_f("stolen-%s", c->name) {
- gem_require_stolen_support(fd);
- gem_set_caching(fd, src_stolen, c->level);
-
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- do_gem_read(fd, src_stolen, dst_user,
- object_size, count);
- gettimeofday(&end, NULL);
- usecs = elapsed(&start, &end, count);
- bps = bytes_per_sec(buf, object_size/usecs*1e6);
- igt_info("Time to stolen-%s pread %d bytes x %6d: %7.3fµs, %s\n",
- c->name, object_size, count, usecs, bps);
- fflush(stdout);
- }
- }
- }
-
- /* List the time taken in pread operation for stolen objects, with
- * and without the overhead of page fault handling on accessing the
- * user space buffer
- */
- igt_subtest("pagefault-pread") {
- gem_require_stolen_support(fd);
- large_stolen = gem_create_stolen(fd, LARGE_OBJECT_SIZE);
- stolen_nopf_user = (uint32_t *) mmap(NULL, LARGE_OBJECT_SIZE,
- PROT_WRITE,
- MAP_ANONYMOUS|MAP_PRIVATE,
- -1, 0);
- igt_assert(stolen_nopf_user);
-
- for (count = 1; count <= 10; count ++) {
- struct timeval start, end;
- double t_elapsed = 0;
-
- gettimeofday(&start, NULL);
- do_gem_read(fd, large_stolen, stolen_nopf_user,
- LARGE_OBJECT_SIZE, 1);
- gettimeofday(&end, NULL);
- t_elapsed = elapsed(&start, &end, count);
- bps = bytes_per_sec(buf, object_size/t_elapsed*1e6);
- igt_info("Pagefault-N - Time to pread %d bytes: %7.3fµs, %s\n",
- LARGE_OBJECT_SIZE, t_elapsed, bps);
-
- stolen_pf_user = (uint32_t *) mmap(NULL, LARGE_OBJECT_SIZE,
- PROT_WRITE,
- MAP_ANONYMOUS|MAP_PRIVATE,
- -1, 0);
- igt_assert(stolen_pf_user);
-
- gettimeofday(&start, NULL);
- do_gem_read(fd, large_stolen, stolen_pf_user,
- LARGE_OBJECT_SIZE, 1);
- gettimeofday(&end, NULL);
- usecs = elapsed(&start, &end, count);
- bps = bytes_per_sec(buf, object_size/usecs*1e6);
- igt_info("Pagefault-Y - Time to pread %d bytes: %7.3fµs, %s%s%s\n",
- LARGE_OBJECT_SIZE, usecs,
- t_elapsed < usecs ? KGRN : KRED, bps, KNRM);
- fflush(stdout);
- munmap(stolen_pf_user, LARGE_OBJECT_SIZE);
- }
- munmap(stolen_nopf_user, LARGE_OBJECT_SIZE);
- gem_close(fd, large_stolen);
- }
-
-
igt_fixture {
free(src);
gem_close(fd, dst);
- free(dst_user);
- gem_close(fd, src_stolen);
close(fd);
}
--
1.9.1
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