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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: Frederic 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>
This commit is contained in:
Frederic Weisbecker 2010-11-18 01:52:06 +01:00
parent 1ed0c59711
commit fe5542030d
1 changed files with 4 additions and 0 deletions
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4
include/trace/events/syscalls.h
View File

@ -40,6 +40,8 @@ TRACE_EVENT_FN(sys_enter,
syscall_regfunc, syscall_unregfunc
);
TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
TRACE_EVENT_FN(sys_exit,
TP_PROTO(struct pt_regs *regs, long ret),
@ -62,6 +64,8 @@ TRACE_EVENT_FN(sys_exit,
syscall_regfunc, syscall_unregfunc
);
TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)
#endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */
#endif /* _TRACE_EVENTS_SYSCALLS_H */