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authorFrederic Weisbecker <fweisbec@gmail.com>2010-11-18 04:11:42 +0300
committerFrederic Weisbecker <fweisbec@gmail.com>2010-11-18 16:37:44 +0300
commit53cf810b1934f08a68e131aeeb16267a778f43df (patch)
tree9407f9897084bb9669668c74f4f2c904f5e8877f /include/linux/syscalls.h
parentfe5542030dce3b951f9eaf3ecb9a7bc5fa7bfed1 (diff)
downloadlinux-53cf810b1934f08a68e131aeeb16267a778f43df.tar.xz
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/syscalls.h')
-rw-r--r--include/linux/syscalls.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index cacc27a0e285..13b9731d30cf 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -137,7 +137,8 @@ extern struct trace_event_functions exit_syscall_print_funcs;
.class = &event_class_syscall_enter, \
.event.funcs = &enter_syscall_print_funcs, \
.data = (void *)&__syscall_meta_##sname,\
- }
+ }; \
+ __TRACE_EVENT_FLAGS(enter_##sname, TRACE_EVENT_FL_CAP_ANY)
#define SYSCALL_TRACE_EXIT_EVENT(sname) \
static struct syscall_metadata \
@@ -152,7 +153,8 @@ extern struct trace_event_functions exit_syscall_print_funcs;
.class = &event_class_syscall_exit, \
.event.funcs = &exit_syscall_print_funcs, \
.data = (void *)&__syscall_meta_##sname,\
- }
+ }; \
+ __TRACE_EVENT_FLAGS(exit_##sname, TRACE_EVENT_FL_CAP_ANY)
#define SYSCALL_METADATA(sname, nb) \
SYSCALL_TRACE_ENTER_EVENT(sname); \