gem_alive: A utility to see if the driver or GPU has hung

diff --git a/lib/igt_debugfs.h b/lib/igt_debugfs.h
index bcd7f76..0b55477 100644 (file)
--- a/lib/igt_debugfs.h
+++ b/lib/igt_debugfs.h
@@ -27,6 +27,7 @@
 
 #include <stdbool.h>
 #include <stdint.h>
+#include <stdio.h>
 
 enum pipe;
 

diff --git a/tests/.gitignore b/tests/.gitignore
index fedddbf..ea1f0f9 100644 (file)
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -9,6 +9,7 @@ drm_vma_limiter_cached
 drm_vma_limiter_cpu
 drm_vma_limiter_gtt
 drv_suspend
+gem_alive
 gem_bad_address
 gem_bad_batch
 gem_bad_blit

diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index a8a091d..5d5dc46 100644 (file)
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -1,4 +1,5 @@
 noinst_PROGRAMS = \
+       gem_alive \
        gem_stress \
        ddi_compute_wrpll \
        $(TESTS_progs) \

diff --git a/tests/gem_alive.c b/tests/gem_alive.c
new file mode 100644 (file)
index 0000000..776db07
--- /dev/null
+++ b/tests/gem_alive.c
@@ -0,0 +1,35 @@
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <signal.h>
+#include <i915_drm.h>
+
+#include "drmtest.h"
+
+int main(void)
+{
+       struct drm_i915_gem_sw_finish arg = { 0 };
+       int fd;
+
+       signal(SIGALRM, SIG_IGN);
+
+       fd = drm_open_any();
+       if (fd < 0)
+               return 77;
+
+       alarm(1);
+       if (ioctl(fd, DRM_IOCTL_I915_GEM_SW_FINISH, &arg) == 0)
+               return 77;
+
+       switch (errno) {
+       case ENOENT:
+               return 0;
+       case EIO:
+               return 1;
+       case EINTR:
+               return 2;
+       default:
+               return 3;
+       }
+}