Do not blindly assume 30 spin batches will always fit into the ring, but
use our measurement tool instead.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
tests/perf_pmu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tests/perf_pmu.c b/tests/perf_pmu.c
index de4c231dd..8e50ac9a0 100644
--- a/tests/perf_pmu.c
+++ b/tests/perf_pmu.c
@@ -42,6 +42,7 @@
#include "igt_perf.h"
#include "igt_sysfs.h"
#include "igt_pm.h"
+#include "i915/gem_ring.h"
#include "sw_sync.h"
IGT_TEST_DESCRIPTION("Test the i915 pmu perf interface");
@@ -1276,8 +1277,9 @@ static void cpu_hotplug(int gem_fd)
static void
test_interrupts(int gem_fd)
{
+ const int target =
+ gem_measure_ring_inflight(gem_fd, I915_EXEC_DEFAULT, 0);
const unsigned int test_duration_ms = 1000;
- const int target = 30;
igt_spin_t *spin[target];
struct pollfd pfd;
uint64_t idle, busy;
--
2.24.0
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