diff -Naur pcstat-master_orig/syscall_linux_arm64.go pcstat-master/syscall_linux_arm64.go
 --- pcstat-master_orig/syscall_linux_arm64.go	1970-01-01 00:00:00.000000000 +0000
 +++ pcstat-master/syscall_linux_arm64.go	2018-01-03 19:54:51.082860846 +0000
 @@ -0,0 +1,20 @@
 +package pcstat
 +
 +/*
 + * Copyright 2018 Alexey Makhalov <amakhalov@vmware.com>
 + *
 + * Licensed under the Apache License, Version 2.0 (the "License");
 + * you may not use this file except in compliance with the License.
 + * You may obtain a copy of the License at
 + *
 + *     http://www.apache.org/licenses/LICENSE-2.0
 + *
 + * Unless required by applicable law or agreed to in writing, software
 + * distributed under the License is distributed on an "AS IS" BASIS,
 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 + * See the License for the specific language governing permissions and
 + * limitations under the License.
 + */
 +
 + // https://github.com/torvalds/linux/blob/master/arch/arm64/include/asm/unistd32.h
 +const SYS_SETNS = 375