function-graph: moved the timestamp from arch to generic code

This patch move the timestamp from happening in the arch specific
code into the general code. This allows for better control by the tracer
to time manipulation.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index e876816fa8e7..d28687e7b3a7 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -57,9 +57,9 @@ static struct tracer_flags tracer_flags = {
 
 /* Add a function return address to the trace stack on thread info.*/
 int
-ftrace_push_return_trace(unsigned long ret, unsigned long long time,
-                         unsigned long func, int *depth)
+ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth)
 {
+        unsigned long long calltime;
         int index;
 
         if (!current->ret_stack)
@@ -71,11 +71,13 @@ ftrace_push_return_trace(unsigned long ret, unsigned long long time,
                 return -EBUSY;
         }
 
+        calltime = trace_clock_local();
+
         index = ++current->curr_ret_stack;
         barrier();
         current->ret_stack[index].ret = ret;
         current->ret_stack[index].func = func;
-        current->ret_stack[index].calltime = time;
+        current->ret_stack[index].calltime = calltime;
         *depth = index;
 
         return 0;