diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_as.c b/drivers/gpu/nvgpu/common/linux/ioctl_as.c
index 023f82367..1d6410cc3 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_as.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_as.c
@@ -291,6 +291,8 @@ long gk20a_as_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
 	u8 buf[NVGPU_AS_IOCTL_MAX_ARG_SIZE];
 
+	gk20a_dbg_fn("start %d", _IOC_NR(cmd));
+
 	if ((_IOC_TYPE(cmd) != NVGPU_AS_IOCTL_MAGIC) ||
 		(_IOC_NR(cmd) == 0) ||
 		(_IOC_NR(cmd) > NVGPU_AS_IOCTL_LAST) ||
diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c b/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
index 0f3d762d1..90a3fbd4a 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
@@ -1247,7 +1247,7 @@ long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg
 	struct zbc_query_params *zbc_tbl;
 	int i, err = 0;
 
-	gk20a_dbg_fn("");
+	gk20a_dbg_fn("start %d", _IOC_NR(cmd));
 
 	if ((_IOC_TYPE(cmd) != NVGPU_GPU_IOCTL_MAGIC) ||
 		(_IOC_NR(cmd) == 0) ||
diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_tsg.c b/drivers/gpu/nvgpu/common/linux/ioctl_tsg.c
index d530fff6e..9b722e9e7 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_tsg.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_tsg.c
@@ -355,7 +355,7 @@ long nvgpu_ioctl_tsg_dev_ioctl(struct file *filp, unsigned int cmd,
 	u8 __maybe_unused buf[NVGPU_TSG_IOCTL_MAX_ARG_SIZE];
 	int err = 0;
 
-	gk20a_dbg(gpu_dbg_fn, "");
+	gk20a_dbg_fn("start %d", _IOC_NR(cmd));
 
 	if ((_IOC_TYPE(cmd) != NVGPU_TSG_IOCTL_MAGIC) ||
 	    (_IOC_NR(cmd) == 0) ||