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Commit fe554203 authored by Frederic Weisbecker's avatar Frederic Weisbecker
Browse files

tracing: Allow raw syscall trace events for non privileged users 



This allows non privileged users to use the raw syscall trace events
for task bound tracing in perf.

It is safe because raw syscall trace events don't leak system wide
informations.

Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Jason Baron <jbaron@redhat.com>
parent 1ed0c597

include/trace/events/syscalls.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -40,6 +40,8 @@ TRACE_EVENT_FN(sys_enter, 
	syscall_regfunc, syscall_unregfunc

	syscall_regfunc, syscall_unregfunc

);

);





TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)



TRACE_EVENT_FN(sys_exit,

TRACE_EVENT_FN(sys_exit,





	TP_PROTO(struct pt_regs *regs, long ret),

	TP_PROTO(struct pt_regs *regs, long ret),
@@ -62,6 +64,8 @@ TRACE_EVENT_FN(sys_exit, 
	syscall_regfunc, syscall_unregfunc

	syscall_regfunc, syscall_unregfunc

);

);





TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)



#endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */

#endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */





#endif /* _TRACE_EVENTS_SYSCALLS_H */

#endif /* _TRACE_EVENTS_SYSCALLS_H */