diff --git a/observation/src/biolatency/biolatency,bpf.c b/observation/src/biolatency/biolatency,bpf.c
index 66cfc133c285c3680a5002d71cb20f0c39a9c574..d8f898b294116af1240e08c0923a2e4224d488cc 100644
--- a/observation/src/biolatency/biolatency,bpf.c
+++ b/observation/src/biolatency/biolatency,bpf.c
@@ -70,3 +70,29 @@ static int __always_inline trace_rq_start(struct request *rq, int issue)
 
 	return 0;
 }
+
+static int handle_block_rq_insert(__u64 *ctx)
+{
+	/*
+	 * commit a54895fs (v5.11-rc1) changed tracepoint argument list from
+	 * TP_PROTO(struct request_queue *q, struct request *rq) to
+	 * TP_PROTO(struct request *rq)
+	 */
+	if (LINUX_KERNEL_VERSION < KERNEL_VERSION(5, 11, 0))
+		return trace_rq_start((void *)ctx[1], false);
+	else
+		return trace_rq_start((void *)ctx[0], false);
+}
+
+static int handle_block_rq_issue(__u64 *ctx)
+{
+	/*
+	 * commit a54895fs (v5.11-rc1) changed tracepoint argument list from
+	 * TP_PROTO(struct request_queue *q, struct request *rq) to
+	 * TP_PROTO(struct request *rq)
+	 */
+	if (LINUX_KERNEL_VERSION < KERNEL_VERSION(5, 11, 0))
+		return trace_rq_start((void *)ctx[1], true);
+	else
+		return trace_rq_start((void *)ctx[0], true);
+}
\ No newline at end of file