gem_stress: option to override the number of rounds to complete

gem_stress -c 1

... sometimes takes a while to hit a problem.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/tests/gem_stress.c b/tests/gem_stress.c
index d098a9b..c143431 100644 (file)
--- a/tests/gem_stress.c
+++ b/tests/gem_stress.c
@@ -617,7 +617,8 @@ static void parse_options(int argc, char **argv)
                {"disable-render", 0, 0, 'r'},
                {"untiled", 0, 0, 'u'},
                {"x-tiled", 0, 0, 'x'},
-               {"use-cpu-maps", 0, 0, 'm'}
+               {"use-cpu-maps", 0, 0, 'm'},
+               {"rounds", 1, 0, 'o'},
        };
 
        options.scratch_buf_size = 256*4096;
@@ -629,8 +630,9 @@ static void parse_options(int argc, char **argv)
        options.use_blt = 1;
        options.forced_tiling = -1;
        options.use_cpu_maps = 0;
+       options.total_rounds = 512;
 
-       while((c = getopt_long(argc, argv, "ds:g:c:t:rbuxm",
+       while((c = getopt_long(argc, argv, "ds:g:c:t:rbuxmo:",
                               long_options, &option_index)) != -1) {
                switch(c) {
                case 'd':
@@ -691,6 +693,10 @@ static void parse_options(int argc, char **argv)
                        options.forced_tiling = I915_TILING_NONE;
                        printf("disabling tiling\n");
                        break;
+               case 'o':
+                       options.total_rounds = atoi(optarg);
+                       printf("total rounds %i\n", options.total_rounds);
+                       break;
                default:
                        printf("unkown command options\n");
                        break;
@@ -816,7 +822,7 @@ int main(int argc, char **argv)
 
        fan_out();
 
-       for (i = 0; i < 512; i++) {
+       for (i = 0; i < options.total_rounds; i++) {
                printf("round %i\n", i);
                if (i % 64 == 63) {
                        fan_in_and_check();

diff --git a/tests/gem_stress.h b/tests/gem_stress.h
index 3b1d456..6bddf79 100644 (file)
--- a/tests/gem_stress.h
+++ b/tests/gem_stress.h
@@ -36,6 +36,7 @@ struct option_struct {
     int use_blt;
     int forced_tiling;
     int use_cpu_maps;
+    int total_rounds;
 };
 
 extern struct option_struct options;