diff --git a/sys/dev/firmware/arm/scmi_raw.c b/sys/dev/firmware/arm/scmi_raw.c
--- a/sys/dev/firmware/arm/scmi_raw.c
+++ b/sys/dev/firmware/arm/scmi_raw.c
@@ -45,6 +45,7 @@
 #include <sys/refcount.h>
 #include <sys/stat.h>
 #include <sys/selinfo.h>
+#include <sys/sysctl.h>
 #include <sys/types.h>
 #include <sys/uio.h>
 
@@ -134,6 +135,7 @@
 	struct cdev			*cdevs[RAW_DEV_MAX];
 	device_t			dev;
 	struct scmi_raw_buf_queue	*rbqs[RB_QUEUES_MAX];
+	struct sysctl_oid		*sysctl_raw;
 };
 
 static d_read_t scmi_raw_device_read;
@@ -340,14 +342,30 @@
 	struct scmi_softc *sc;
 
 	sc = device_get_softc(raw->dev);
-	for (int i = 0; i < RB_QUEUES_MAX; i++)
+
+	raw->sysctl_raw = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(sc->sysctl_root),
+	    OID_AUTO, "raw", CTLFLAG_RD, 0, "SCMI RAW properties");
+
+	for (int i = 0; i < RB_QUEUES_MAX; i++) {
+		struct sysctl_oid *sysctl_rbq;
+
 		raw->rbqs[i] = scmi_raw_buf_queue_allocate(raw->dev, rbq_names[i],
 		    SCMI_MAX_MSG(sc), SCMI_MAX_MSG_SIZE(sc));
+
+		sysctl_rbq = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(raw->sysctl_raw),
+		    OID_AUTO, rbq_names[i], CTLFLAG_RD, 0, "SCMI RAW Queue properties");
+		SYSCTL_ADD_INT(NULL, SYSCTL_CHILDREN(sysctl_rbq), OID_AUTO, "frees",
+		    CTLFLAG_RD, &raw->rbqs[i]->cnt[Q_FREE], 0, "SCMI RAW per-queue free bufs");
+		SYSCTL_ADD_INT(NULL, SYSCTL_CHILDREN(sysctl_rbq), OID_AUTO, "pending",
+		    CTLFLAG_RD, &raw->rbqs[i]->cnt[Q_READ], 0, "SCMI RAW per-queue pending bufs");
+	}
 }
 
 static void
 scmi_raw_buf_queues_cleanup(struct scmi_raw *raw)
 {
+	sysctl_remove_oid(raw->sysctl_raw, 0, 1);
+
 	for (int i = 0; i < RB_QUEUES_MAX; i++)
 		scmi_raw_buf_queue_free(raw->rbqs[i]);
 }