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Code Issues Releases Wiki Activity

gem_stress: optin to set num_buffers

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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2011-03-27 15:37:26 +02:00
parent 294c78f4ab
commit 130daf9cd0
1 changed files with 17 additions and 7 deletions
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24
tests/gem_stress.c
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@ -108,6 +108,7 @@ drm_intel_bo *busy_bo;
static struct { static struct {
unsigned scratch_buf_size; unsigned scratch_buf_size;
unsigned num_buffers;
int no_hw; int no_hw;
int gpu_busy_load; int gpu_busy_load;
} options; } options;
@ -565,14 +566,16 @@ static void parse_options(int argc, char **argv)
static struct option long_options[] = { static struct option long_options[] = {
{"no-hw", 0, 0, 'd'}, {"no-hw", 0, 0, 'd'},
{"buf-size", 1, 0, 's'}, {"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.scratch_buf_size = 256*4096;
options.no_hw = 0; options.no_hw = 0;
options.gpu_busy_load = 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) { long_options, &option_index)) != -1) {
switch(c) { switch(c) {
case 'd': case 'd':
@ -600,6 +603,10 @@ static void parse_options(int argc, char **argv)
gpu_busy_load = options.gpu_busy_load = tmp; gpu_busy_load = options.gpu_busy_load = tmp;
} }
break; break;
case 'c':
options.num_buffers = atoi(optarg);
printf("buffer count set to %i\n", options.num_buffers);
break;
default: default:
printf("unkown command options\n"); printf("unkown command options\n");
break; break;
@ -616,11 +623,14 @@ static void init(void)
unsigned tmp; unsigned tmp;
drm_fd = drm_open_any(); drm_fd = drm_open_any();
tmp = gem_aperture_size(drm_fd) / (1024*1024);; if (options.num_buffers == 0) {
tmp = tmp > 256 ? 256 : tmp; tmp = gem_aperture_size(drm_fd);
num_buffers = 2 * tmp / 3; tmp = tmp > 256*(1024*1024) ? 256*(1024*1024) : tmp;
num_buffers /= 2; num_buffers = 2 * tmp / options.scratch_buf_size / 3;
printf("Using %d 1MiB buffers\n", num_buffers); 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); bufmgr = drm_intel_bufmgr_gem_init(drm_fd, 4096);
drm_intel_bufmgr_gem_enable_reuse(bufmgr); drm_intel_bufmgr_gem_enable_reuse(bufmgr);