/usr/share/systemtap/runtime/linux/autoconf-utrace-via-tracepoints.c is in systemtap-common 2.6-0.2.
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 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | #include <trace/events/sched.h>
#include <trace/events/syscalls.h>
#include <linux/task_work.h>
// The utrace-less task_finder needs 5 specific tracepoints and
// <linux/task_work.h>.
void __sched_process_fork(void *cb_data __attribute__((unused)),
struct task_struct *parent __attribute__((unused)),
struct task_struct *child __attribute__((unused)))
{
return;
}
void __sched_process_exit(void *cb_data __attribute__((unused)),
struct task_struct *task __attribute__((unused)))
{
return;
}
void __sched_process_exec(void *cb_data __attribute__ ((unused)),
struct task_struct *task __attribute__((unused)),
pid_t old_pid __attribute__((unused)),
struct linux_binprm *bprm __attribute__((unused)))
{
return;
}
void __sys_enter(void *cb_data __attribute__ ((unused)),
struct pt_regs *regs __attribute__((unused)),
long id __attribute__((unused)))
{
return;
}
void __sys_exit(void *cb_data __attribute__ ((unused)),
struct pt_regs *regs __attribute__((unused)),
long ret __attribute__((unused)))
{
return;
}
void __autoconf_func(void)
{
(void) register_trace_sched_process_fork(__sched_process_fork, NULL);
(void) register_trace_sched_process_exit(__sched_process_exit, NULL);
(void) register_trace_sched_process_exec(__sched_process_exec, NULL);
(void) register_trace_sys_enter(__sys_enter, NULL);
(void) register_trace_sys_exit(__sys_exit, NULL);
}
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