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authorFrederic Weisbecker <fweisbec@gmail.com>2010-11-18 02:11:42 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2010-11-18 14:37:44 +0100
commit53cf810b1934f08a68e131aeeb16267a778f43df (patch)
tree9407f9897084bb9669668c74f4f2c904f5e8877f /include/linux/ftrace_event.h
parentfe5542030dce3b951f9eaf3ecb9a7bc5fa7bfed1 (diff)
tracing: Allow syscall trace events for non privileged users
As for the raw syscalls events, individual syscall events won't leak system wide information on task bound tracing. Allow non privileged users to use them in such workflow. 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>
Diffstat (limited to 'include/linux/ftrace_event.h')
-rw-r--r--include/linux/ftrace_event.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 312dce7e0d5..725bf6bd39f 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -198,6 +198,14 @@ struct ftrace_event_call {
#endif
};
+#define __TRACE_EVENT_FLAGS(name, value) \
+ static int __init trace_init_flags_##name(void) \
+ { \
+ event_##name.flags = value; \
+ return 0; \
+ } \
+ early_initcall(trace_init_flags_##name);
+
#define PERF_MAX_TRACE_SIZE 2048
#define MAX_FILTER_PRED 32