Manually setup the signal handler for SIGARLM so that we can dump some
debug information for test failures.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
tests/i915/gem_ctx_ringsize.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/tests/i915/gem_ctx_ringsize.c b/tests/i915/gem_ctx_ringsize.c
index c8e661472..4530b242f 100644
--- a/tests/i915/gem_ctx_ringsize.c
+++ b/tests/i915/gem_ctx_ringsize.c
@@ -25,6 +25,7 @@
#include <fcntl.h>
#include <inttypes.h>
#include <math.h>
+#include <signal.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <unistd.h>
@@ -214,6 +215,10 @@ static uint32_t batch_create(int i915)
return __batch_create(i915, 0);
}
+static void sighandler(int sig)
+{
+}
+
static unsigned int measure_inflight(int i915, unsigned int engine, int timeout)
{
IGT_CORK_FENCE(cork);
@@ -230,15 +235,18 @@ static unsigned int measure_inflight(int i915, unsigned int engine, int timeout)
int err;
fcntl(i915, F_SETFL, fcntl(i915, F_GETFL) | O_NONBLOCK);
- igt_set_timeout(timeout, "execbuf blocked!");
+ signal(SIGALRM, sighandler);
+ alarm(timeout);
gem_execbuf(i915, &execbuf);
for (count = 1; (err = __execbuf(i915, &execbuf)) == 0; count++)
;
+ igt_debugfs_dump(i915, "i915_engine_info");
igt_assert_eq(err, -EWOULDBLOCK);
close(execbuf.rsvd2);
- igt_reset_timeout();
+ alarm(0);
+ signal(SIGALRM, SIG_DFL);
fcntl(i915, F_SETFL, fcntl(i915, F_GETFL) & ~O_NONBLOCK);
igt_cork_unplug(&cork);
--
2.28.0
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