diff options
| -rw-r--r-- | tests/gem_mmap_gtt.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/tests/gem_mmap_gtt.c b/tests/gem_mmap_gtt.c index c8819ad2..ef41bcc0 100644 --- a/tests/gem_mmap_gtt.c +++ b/tests/gem_mmap_gtt.c @@ -256,17 +256,20 @@ test_wc(int fd) gtt_writes = 0; igt_until_timeout(1) { - memcpy(cpu, gtt, 4096); + memcpy(gtt, cpu, 4096); gtt_writes++; } igt_debug("%lu GTT writes in 1s\n", gtt_writes); - cpu_writes = 0; - igt_until_timeout(1) { - memcpy(cpu, cpu, 4096); - cpu_writes++; - } - igt_debug("%lu CPU writes in 1s\n", cpu_writes); + if (igt_setup_clflush()) { + cpu_writes = 0; + igt_until_timeout(1) { + igt_clflush_range(cpu, 4096); + cpu_writes++; + } + igt_debug("%lu CPU writes in 1s\n", cpu_writes); + } else + cpu_writes = gtt_writes; munmap(cpu, 4096); munmap(gtt, 4096); |