diff options
Diffstat (limited to 'tests/gem_exec_flush.c')
| -rw-r--r-- | tests/gem_exec_flush.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tests/gem_exec_flush.c b/tests/gem_exec_flush.c index d32c32dd..326cafa7 100644 --- a/tests/gem_exec_flush.c +++ b/tests/gem_exec_flush.c @@ -151,17 +151,17 @@ static void run(int fd, unsigned ring, int nchild, int timeout, munmap(ptr, 64*1024); igt_timeout(timeout) { - bool xor = (cycles >> 10) & 1; + bool xor = false; int idx = cycles++ % 1024; /* Inspect a different cacheline each iteration */ i = 16 * (idx % 64) + (idx / 64); - obj[1].relocs_ptr = (uintptr_t)&reloc0[i]; obj[2].relocs_ptr = (uintptr_t)&reloc1[i]; execbuf.batch_start_offset = 64*i; - execbuf.buffer_count = 2 + xor; +overwrite: + execbuf.buffer_count = 2 + xor; gem_execbuf(fd, &execbuf); if (flags & SET_DOMAIN) { @@ -215,6 +215,11 @@ static void run(int fd, unsigned ring, int nchild, int timeout, igt_clflush_range(&map[i], sizeof(map[i])); } } + + if (!xor) { + xor= true; + goto overwrite; + } } igt_info("Child[%d]: %lu cycles\n", child, cycles); |