1 files changed, 30 insertions, 0 deletions

diff --git a/sys/vm/vm_meter.c b/sys/vm/vm_meter.c
index 6a80411ac0e99..8d3b8116b0c18 100644
--- a/sys/vm/vm_meter.c
+++ b/sys/vm/vm_meter.c
@@ -359,3 +359,33 @@ SYSCTL_INT(_vm_stats_misc, OID_AUTO,
 SYSCTL_INT(_vm_stats_misc, OID_AUTO,
 	vm_page_hash_mask, CTLFLAG_RD, &vm_page_hash_mask, 0, "");
 #endif
+
+/* 
+ * Further sysctls used by systat: hw.nintr, hw.intrnames, hw.intrcnt.
+ * This does probably not really fit in here, but it is somehow connected.
+ * The definitions for this are machdep, but are currently defined for 
+ * any architecture.
+ */
+
+/* include the machdep stuff */
+#include <machine/intrcnt.h>
+
+int nintr = INTRCNT_COUNT;
+SYSCTL_INT(_hw, OID_AUTO, nintr, CTLFLAG_RD, &nintr, 0, "Number of Interrupts");
+
+SYSCTL_OPAQUE(_hw, OID_AUTO, intrcnt, CTLFLAG_RD, &intrcnt, 
+   sizeof(long) * INTRCNT_COUNT, "", "Interrupt Counts");
+
+/* 
+ * We do not know the length in advance (in an MI fashion), so calculate things
+ * at run-time.
+ */
+static int
+sysctl_intrnames(SYSCTL_HANDLER_ARGS)
+{
+	return sysctl_handle_opaque(oidp, intrnames, eintrnames - intrnames, 
+	   req);
+}
+
+SYSCTL_PROC(_hw, OID_AUTO, intrnames, CTLTYPE_OPAQUE | CTLFLAG_RD, NULL, 0, 
+    sysctl_intrnames, "", "Interrupt Names");