Refactoring: syscall: move matching event creation before tracepoint registration

There is no point in doing the event notifier creation after tracepoint
registration for syscall tracing. Move it prior to tracepoint
registration, similarly to event recorder.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I1ddbbb765445509f8a1f571788528ff0fce3dace

diff --git a/src/lttng-syscalls.c b/src/lttng-syscalls.c
index de4dbacefc5c23e7331081696585e4a278b82a7c..b93fbbfdb8fd6cc5a8ff129a956b29f222dcd57e 100644 (file)
--- a/src/lttng-syscalls.c
+++ b/src/lttng-syscalls.c
@@ -796,6 +796,10 @@ int lttng_event_enabler_create_syscall_events_if_missing(struct lttng_event_enab
        if (ret)
                return ret;
 
+       ret = lttng_syscalls_create_matching_event_notifiers(syscall_event_enabler);
+       if (ret)
+               return ret;
+
        if (!syscall_table->sys_enter_registered) {
                ret = lttng_wrapper_tracepoint_probe_register("sys_enter",
                                (void *) syscall_entry_event_probe, syscall_table);
@@ -814,10 +818,6 @@ int lttng_event_enabler_create_syscall_events_if_missing(struct lttng_event_enab
                syscall_table->sys_exit_registered = 1;
        }
 
-       ret = lttng_syscalls_create_matching_event_notifiers(syscall_event_enabler);
-       if (ret)
-               return ret;
-
        return ret;
 }