diff --git a/libc/kernel/arch-arm/asm/unistd.h b/libc/kernel/arch-arm/asm/unistd.h
index e5b89f2..9423754 100644
--- a/libc/kernel/arch-arm/asm/unistd.h
+++ b/libc/kernel/arch-arm/asm/unistd.h
@@ -387,29 +387,30 @@
 #define __NR_get_mempolicy (__NR_SYSCALL_BASE+320)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __NR_set_mempolicy (__NR_SYSCALL_BASE+321)
+#define __NR_perf_event_open (__NR_SYSCALL_BASE+364)
 #define __ARM_NR_BASE (__NR_SYSCALL_BASE+0x0f0000)
 #define __ARM_NR_breakpoint (__ARM_NR_BASE+1)
-#define __ARM_NR_cacheflush (__ARM_NR_BASE+2)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define __ARM_NR_cacheflush (__ARM_NR_BASE+2)
 #define __ARM_NR_usr26 (__ARM_NR_BASE+3)
 #define __ARM_NR_usr32 (__ARM_NR_BASE+4)
 #define __ARM_NR_set_tls (__ARM_NR_BASE+5)
-#if defined(__ARM_EABI__) && !defined(__KERNEL__)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#if defined(__ARM_EABI__) && !defined(__KERNEL__)
 #undef __NR_time
 #undef __NR_umount
 #undef __NR_stime
-#undef __NR_alarm
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#undef __NR_alarm
 #undef __NR_utime
 #undef __NR_getrlimit
 #undef __NR_select
-#undef __NR_readdir
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#undef __NR_readdir
 #undef __NR_mmap
 #undef __NR_socketcall
 #undef __NR_syscall
-#undef __NR_ipc
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#undef __NR_ipc
 #endif
 #endif