/usr/share/perf_3.16-core/scripts/perl/bin/rwtop-record is in linux-tools-3.16 3.16.56-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 | #!/bin/bash
perf record -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@
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