diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index b19fb68..61a37d5 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -183,6 +183,7 @@
 syscall_src += arch-arm/syscalls/klogctl.S
 syscall_src += arch-arm/syscalls/sysinfo.S
 syscall_src += arch-arm/syscalls/personality.S
+syscall_src += arch-arm/syscalls/perf_event_open.S
 syscall_src += arch-arm/syscalls/futex.S
 syscall_src += arch-arm/syscalls/epoll_create.S
 syscall_src += arch-arm/syscalls/epoll_ctl.S
diff --git a/libc/arch-arm/syscalls/perf_event_open.S b/libc/arch-arm/syscalls/perf_event_open.S
new file mode 100644
index 0000000..39710a5
--- /dev/null
+++ b/libc/arch-arm/syscalls/perf_event_open.S
@@ -0,0 +1,16 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(perf_event_open)
+    mov     ip, sp
+    .save   {r4, r5, r6, r7}
+    stmfd   sp!, {r4, r5, r6, r7}
+    ldmfd   ip, {r4, r5, r6}
+    ldr     r7, =__NR_perf_event_open
+    swi     #0
+    ldmfd   sp!, {r4, r5, r6, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(perf_event_open)