2 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index b8f769a4..ab0333d6 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -1572,9 +1572,11 @@ int gk20a_submit_channel_gpfifo(struct channel_gk20a *c,
         /* Make sure we have enough space for gpfifo entries. If not,
          * wait for signals from completed submits */
         if (gp_free_count(c) < num_entries + extra_entries) {
+                trace_gk20a_gpfifo_submit_wait_for_space(c->g->dev->name);
                 err = wait_event_interruptible(c->submit_wq,
                         get_gp_free_count(c) >= num_entries + extra_entries ||
                         c->has_timedout);
+                trace_gk20a_gpfifo_submit_wait_for_space_done(c->g->dev->name);
         }
 
         if (c->has_timedout) {
diff --git a/include/trace/events/gk20a.h b/include/trace/events/gk20a.h
index 8fa8cb94..32e3100a 100644
--- a/include/trace/events/gk20a.h
+++ b/include/trace/events/gk20a.h
@@ -55,6 +55,16 @@ DEFINE_EVENT(gk20a, gk20a_finalize_poweron_done,
         TP_ARGS(name)
 );
 
+DEFINE_EVENT(gk20a, gk20a_gpfifo_submit_wait_for_space,
+        TP_PROTO(const char *name),
+        TP_ARGS(name)
+);
+
+DEFINE_EVENT(gk20a, gk20a_gpfifo_submit_wait_for_space_done,
+        TP_PROTO(const char *name),
+        TP_ARGS(name)
+);
+
 TRACE_EVENT(gk20a_channel_update,
         TP_PROTO(const void *channel),
         TP_ARGS(channel),