ftrace, perf: Add add/del tracepoint perf registration actions

Adding TRACE_REG_PERF_ADD and TRACE_REG_PERF_DEL to handle
perf event schedule in/out actions.

The add action is invoked for when the perf event is scheduled in,
while the del action is invoked when the event is scheduled out.

Link: http://lkml.kernel.org/r/1329317514-8131-4-git-send-email-jolsa@redhat.com

Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index e23515f51ed4..96fc73369099 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -666,6 +666,8 @@ static int syscall_enter_register(struct ftrace_event_call *event,
                 return 0;
         case TRACE_REG_PERF_OPEN:
         case TRACE_REG_PERF_CLOSE:
+        case TRACE_REG_PERF_ADD:
+        case TRACE_REG_PERF_DEL:
                 return 0;
 #endif
         }
@@ -690,6 +692,8 @@ static int syscall_exit_register(struct ftrace_event_call *event,
                 return 0;
         case TRACE_REG_PERF_OPEN:
         case TRACE_REG_PERF_CLOSE:
+        case TRACE_REG_PERF_ADD:
+        case TRACE_REG_PERF_DEL:
                 return 0;
 #endif
         }