gem_close_race: Bump the workload

Emit more work per client and many more clients in order to increase the
chance of racing i915_gem_release() and i915_gem_retire_requests()

diff --git a/tests/gem_close_race.c b/tests/gem_close_race.c
index 92f2920..7d76d5d 100644 (file)
--- a/tests/gem_close_race.c
+++ b/tests/gem_close_race.c
@@ -54,6 +54,7 @@ static void selfcopy(int fd, uint32_t handle)
        struct drm_i915_gem_exec_object2 gem_exec[2];
        struct drm_i915_gem_execbuffer2 execbuf;
        uint32_t buf[10];
+       int loop;
 
        memset(reloc, 0, sizeof(reloc));
        memset(gem_exec, 0, sizeof(gem_exec));
@@ -62,14 +63,14 @@ static void selfcopy(int fd, uint32_t handle)
        buf[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
        buf[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (4*1024);
        buf[2] = 0;
-       buf[3] = 1024 << 16 | 1024;
+       buf[3] = 512 << 16 | 1024;
        buf[4] = 0;
        reloc[0].offset = 4 * sizeof(uint32_t);
        reloc[0].target_handle = handle;
        reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
        reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
 
-       buf[5] = 0;
+       buf[5] = 512 << 16;
        buf[6] = 4*1024;
        buf[7] = 0;
        reloc[1].offset = 7 * sizeof(uint32_t);
@@ -94,7 +95,8 @@ static void selfcopy(int fd, uint32_t handle)
        if (HAS_BLT_RING(intel_get_drm_devid(fd)))
                execbuf.flags |= I915_EXEC_BLT;
 
-       gem_execbuf(fd, &execbuf);
+       for (loop = 30; loop--; )
+               gem_execbuf(fd, &execbuf);
 }
 
 static uint32_t load(int fd)
@@ -118,7 +120,7 @@ static void run(int child)
        igt_assert(fd != -1);
 
        handle = load(fd);
-       if (child & 1)
+       if ((child & 63) == 63)
                gem_read(fd, handle, 0, &handle, sizeof(handle));
 }
 
@@ -130,7 +132,7 @@ int main(int argc, char *argv[])
        sprintf(device, "/dev/dri/card%d", drm_get_card());
 
        igt_subtest("gem-close-race") {
-               igt_fork(child, 100)
+               igt_fork(child, 2000)
                        run(child);
                igt_waitchildren();
        }