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 <[email protected]> --- 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 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
