tests/gem_reloc_vs_gpu: add forked versions

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

diff --git a/tests/gem_reloc_vs_gpu.c b/tests/gem_reloc_vs_gpu.c
index a00fb83..050e24a 100644 (file)
--- a/tests/gem_reloc_vs_gpu.c
+++ b/tests/gem_reloc_vs_gpu.c
@@ -270,6 +270,35 @@ static void do_test(int fd, bool faulting_reloc)
                igt_enable_prefault();
 }
 
+#define INTERRUPT      (1 << 0)
+#define FAULTING       (1 << 1)
+#define THRASH         (1 << 2)
+#define ALL_FLAGS      (INTERRUPT | FAULTING | THRASH)
+static void do_forked_test(int fd, unsigned flags)
+{
+       int num_threads = sysconf(_SC_NPROCESSORS_ONLN);
+
+       if (flags & THRASH) {
+
+       }
+
+       igt_fork(i, num_threads * 4) {
+               /* re-create process local data */
+               bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
+               batch = intel_batchbuffer_alloc(bufmgr, devid);
+
+               if (flags & INTERRUPT)
+                       igt_fork_signal_helper();
+
+               do_test(fd, flags & FAULTING);
+
+               if (flags & INTERRUPT)
+                       igt_stop_signal_helper();
+       }
+
+       igt_waitchildren();
+}
+
 int fd;
 
 #define MAX_BLT_SIZE 128
@@ -304,6 +333,14 @@ int main(int argc, char **argv)
                do_test(fd, true);
        igt_stop_signal_helper();
 
+       for (unsigned flags = 0; flags <= ALL_FLAGS; flags++) {
+               igt_subtest_f("forked%s%s%s",
+                             flags & INTERRUPT ? "-interruptible" : "",
+                             flags & FAULTING ? "-faulting-reloc" : "",
+                             flags & THRASH ? "-thrashing" : "")
+                       do_forked_test(fd, flags);
+       }
+
        igt_fixture {
                intel_batchbuffer_free(batch);
                drm_intel_bufmgr_destroy(bufmgr);