Index: tools/tools/syscall_timing/syscall_timing.c
===================================================================
--- tools/tools/syscall_timing/syscall_timing.c
+++ tools/tools/syscall_timing/syscall_timing.c
@@ -36,9 +36,12 @@
 #include <sys/resource.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
+#include <sys/sysctl.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 
+#include <vm/vm_param.h>
+
 #include <assert.h>
 #include <err.h>
 #include <errno.h>
@@ -841,6 +844,27 @@
 }
 
 static uintmax_t
+test_sysctl(uintmax_t num, uintmax_t int_arg __unused, const char *path __unused)
+{
+	int mib[2];
+	size_t vallen;
+	uintmax_t i;
+	int val;
+
+	mib[0] = CTL_VM;
+	mib[1] = VM_OVERCOMMIT;
+	vallen = sizeof(val);
+
+	benchmark_start();
+	BENCHMARK_FOREACH(i, num) {
+		if (sysctl(mib, 2, &val, &vallen, NULL, 0) != 0)
+			err(-1, "test_sysctl: sysctl");
+	}
+	benchmark_stop();
+	return (i);
+}
+
+static uintmax_t
 test_readlink(uintmax_t num, uintmax_t int_arg __unused, const char *path)
 {
 	char buf[PATH_MAX];
@@ -988,6 +1012,7 @@
 	{ "select", test_select, .t_flags = 0 },
 	{ "semaping", test_semaping, .t_flags = 0 },
 	{ "setuid", test_setuid, .t_flags = 0 },
+	{ "sysctl", test_sysctl, .t_flags = 0 },
 	{ "shmfd", test_shmfd, .t_flags = 0 },
 	{ "shmfd_dup", test_shmfd_dup, .t_flags = 0 },
 	{ "shmfd_fstat", test_shmfd_fstat, .t_flags = 0 },