diff --git a/unix/syscall_openbsd.go b/unix/syscall_openbsd.go
index 68799954..c8648ec0 100644
--- a/unix/syscall_openbsd.go
+++ b/unix/syscall_openbsd.go
@@ -43,6 +43,23 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return nil, EINVAL
 }
 
+func SysctlClockinfo(name string) (*Clockinfo, error) {
+	mib, err := sysctlmib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	n := uintptr(SizeofClockinfo)
+	var ci Clockinfo
+	if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n != SizeofClockinfo {
+		return nil, EIO
+	}
+	return &ci, nil
+}
+
 func SysctlUvmexp(name string) (*Uvmexp, error) {
 	mib, err := sysctlmib(name)
 	if err != nil {
diff --git a/unix/syscall_openbsd_test.go b/unix/syscall_openbsd_test.go
index b95f334e..7bf75eed 100644
--- a/unix/syscall_openbsd_test.go
+++ b/unix/syscall_openbsd_test.go
@@ -40,6 +40,15 @@ func TestPpoll(t *testing.T) {
 	}
 }
 
+func TestSysctlClockinfo(t *testing.T) {
+	ci, err := unix.SysctlClockinfo("kern.clockrate")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("tick = %v, tickadj = %v, hz = %v, profhz = %v, stathz = %v",
+		ci.Tick, ci.Tickadj, ci.Hz, ci.Profhz, ci.Stathz)
+}
+
 func TestSysctlUvmexp(t *testing.T) {
 	uvm, err := unix.SysctlUvmexp("vm.uvmexp")
 	if err != nil {
diff --git a/unix/types_openbsd.go b/unix/types_openbsd.go
index 4e5e57f9..8aafbe44 100644
--- a/unix/types_openbsd.go
+++ b/unix/types_openbsd.go
@@ -274,3 +274,9 @@ type Utsname C.struct_utsname
 const SizeofUvmexp = C.sizeof_struct_uvmexp
 
 type Uvmexp C.struct_uvmexp
+
+// Clockinfo
+
+const SizeofClockinfo = C.sizeof_struct_clockinfo
+
+type Clockinfo C.struct_clockinfo
diff --git a/unix/ztypes_openbsd_386.go b/unix/ztypes_openbsd_386.go
index 8b37d839..900fb446 100644
--- a/unix/ztypes_openbsd_386.go
+++ b/unix/ztypes_openbsd_386.go
@@ -558,3 +558,13 @@ type Uvmexp struct {
 	Fpswtch            int32
 	Kmapent            int32
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}
diff --git a/unix/ztypes_openbsd_amd64.go b/unix/ztypes_openbsd_amd64.go
index 6efea463..028fa78d 100644
--- a/unix/ztypes_openbsd_amd64.go
+++ b/unix/ztypes_openbsd_amd64.go
@@ -558,3 +558,13 @@ type Uvmexp struct {
 	Fpswtch            int32
 	Kmapent            int32
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}
diff --git a/unix/ztypes_openbsd_arm.go b/unix/ztypes_openbsd_arm.go
index 510efc3e..b45d5eed 100644
--- a/unix/ztypes_openbsd_arm.go
+++ b/unix/ztypes_openbsd_arm.go
@@ -559,3 +559,13 @@ type Uvmexp struct {
 	Fpswtch            int32
 	Kmapent            int32
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}