Parallel spin on all engines.

Signed-off-by: Mika Kuoppala <[email protected]>
---
 tests/gem_spin_batch.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/tests/gem_spin_batch.c b/tests/gem_spin_batch.c
index baf796a..a22da32 100644
--- a/tests/gem_spin_batch.c
+++ b/tests/gem_spin_batch.c
@@ -32,7 +32,7 @@
                     "'%s' != '%s' (%lld not within %d%% tolerance of %lld)\n",\
                     #x, #ref, (long long)x, tolerance, (long long)ref)
 
-static void basic(int fd, unsigned int engine, unsigned int timeout_sec)
+static void spin(int fd, unsigned int engine, unsigned int timeout_sec)
 {
        const uint64_t timeout_100ms = 100000000LL;
        unsigned long loops = 0;
@@ -63,6 +63,30 @@ static void basic(int fd, unsigned int engine, unsigned int 
timeout_sec)
        igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0);
 }
 
+static void spin_exit_handler(int sig)
+{
+       igt_fixture {
+               igt_terminate_spin_batches();
+       }
+}
+
+static void spin_on_all_engines(int fd, unsigned int timeout_sec)
+{
+       unsigned engine;
+
+       for_each_engine(fd, engine) {
+               if (engine == 0)
+                       continue;
+
+               igt_fork(child, 1) {
+                       igt_install_exit_handler(spin_exit_handler);
+                       spin(fd, engine, timeout_sec);
+               }
+       }
+
+       igt_waitchildren();
+}
+
 igt_main
 {
        const struct intel_execution_engine *e;
@@ -82,9 +106,12 @@ igt_main
                        continue;
 
                igt_subtest_f("basic-%s", e->name)
-                       basic(fd, e->exec_id, 3);
+                       spin(fd, e->exec_id, 3);
        }
 
+       igt_subtest("multiengine")
+               spin_on_all_engines(fd, 3);
+
        igt_fixture {
                igt_stop_hang_detector();
                close(fd);
-- 
2.7.4

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