/usr/share/systemtap/runtime/autoconf-ring_buffer-flags.c is in systemtap-common 1.6-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #include <linux/ring_buffer.h>
void ___autoconf_func(void)
{
(void)ring_buffer_lock_reserve(NULL, 0, 0);
}
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