diff options
| -rw-r--r-- | tests/gem_stress.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/tests/gem_stress.c b/tests/gem_stress.c index 79bd104f..dd1f1947 100644 --- a/tests/gem_stress.c +++ b/tests/gem_stress.c @@ -108,6 +108,7 @@ drm_intel_bo *busy_bo; static struct { unsigned scratch_buf_size; + unsigned num_buffers; int no_hw; int gpu_busy_load; } options; @@ -565,14 +566,16 @@ static void parse_options(int argc, char **argv) static struct option long_options[] = { {"no-hw", 0, 0, 'd'}, {"buf-size", 1, 0, 's'}, - {"gpu-busy-load", 1, 0, 'g'} + {"gpu-busy-load", 1, 0, 'g'}, + {"buffer-count", 1, 0, 'c'} }; options.scratch_buf_size = 256*4096; options.no_hw = 0; options.gpu_busy_load = 0; + options.num_buffers = 0; - while((c = getopt_long(argc, argv, "ns:g:", + while((c = getopt_long(argc, argv, "ns:g:c:", long_options, &option_index)) != -1) { switch(c) { case 'd': @@ -600,6 +603,10 @@ static void parse_options(int argc, char **argv) gpu_busy_load = options.gpu_busy_load = tmp; } break; + case 'c': + options.num_buffers = atoi(optarg); + printf("buffer count set to %i\n", options.num_buffers); + break; default: printf("unkown command options\n"); break; @@ -616,11 +623,14 @@ static void init(void) unsigned tmp; drm_fd = drm_open_any(); - tmp = gem_aperture_size(drm_fd) / (1024*1024);; - tmp = tmp > 256 ? 256 : tmp; - num_buffers = 2 * tmp / 3; - num_buffers /= 2; - printf("Using %d 1MiB buffers\n", num_buffers); + if (options.num_buffers == 0) { + tmp = gem_aperture_size(drm_fd); + tmp = tmp > 256*(1024*1024) ? 256*(1024*1024) : tmp; + num_buffers = 2 * tmp / options.scratch_buf_size / 3; + num_buffers /= 2; + printf("using %u buffers\n", num_buffers); + } else + num_buffers = options.num_buffers; bufmgr = drm_intel_bufmgr_gem_init(drm_fd, 4096); drm_intel_bufmgr_gem_enable_reuse(bufmgr); |