diff --git a/unix/zerrors_freebsd_386.go b/unix/zerrors_freebsd_386.go
index 8482458..3689c80 100644
--- a/unix/zerrors_freebsd_386.go
+++ b/unix/zerrors_freebsd_386.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0
diff --git a/unix/zerrors_freebsd_amd64.go b/unix/zerrors_freebsd_amd64.go
index 4acd101..b8f7c3c 100644
--- a/unix/zerrors_freebsd_amd64.go
+++ b/unix/zerrors_freebsd_amd64.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0
diff --git a/unix/zerrors_freebsd_arm.go b/unix/zerrors_freebsd_arm.go
index e471987..be14bb1 100644
--- a/unix/zerrors_freebsd_arm.go
+++ b/unix/zerrors_freebsd_arm.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0
diff --git a/unix/zerrors_freebsd_arm64.go b/unix/zerrors_freebsd_arm64.go
index 5e49769..7ce9c00 100644
--- a/unix/zerrors_freebsd_arm64.go
+++ b/unix/zerrors_freebsd_arm64.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0