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Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
-rw-r--r--kernel/trace/trace_functions_graph.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index de5f6518aba..dd11c830eb8 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -179,7 +179,7 @@ unsigned long ftrace_return_to_handler(unsigned long frame_pointer)
return ret;
}
-static int __trace_graph_entry(struct trace_array *tr,
+int __trace_graph_entry(struct trace_array *tr,
struct ftrace_graph_ent *trace,
unsigned long flags,
int pc)
@@ -246,7 +246,7 @@ int trace_graph_thresh_entry(struct ftrace_graph_ent *trace)
return trace_graph_entry(trace);
}
-static void __trace_graph_return(struct trace_array *tr,
+void __trace_graph_return(struct trace_array *tr,
struct ftrace_graph_ret *trace,
unsigned long flags,
int pc)
@@ -1093,6 +1093,11 @@ print_graph_function_flags(struct trace_iterator *iter, u32 flags)
trace_assign_type(field, entry);
return print_graph_return(&field->ret, s, entry, iter, flags);
}
+ case TRACE_STACK:
+ case TRACE_FN:
+ /* dont trace stack and functions as comments */
+ return TRACE_TYPE_UNHANDLED;
+
default:
return print_graph_comment(s, entry, iter, flags);
}
@@ -1170,12 +1175,12 @@ void print_graph_headers_flags(struct seq_file *s, u32 flags)
seq_printf(s, " | | | |\n");
}
-static void print_graph_headers(struct seq_file *s)
+void print_graph_headers(struct seq_file *s)
{
print_graph_headers_flags(s, tracer_flags.val);
}
-static void graph_trace_open(struct trace_iterator *iter)
+void graph_trace_open(struct trace_iterator *iter)
{
/* pid and depth on the last trace processed */
struct fgraph_data *data;
@@ -1210,7 +1215,7 @@ static void graph_trace_open(struct trace_iterator *iter)
pr_warning("function graph tracer: not enough memory\n");
}
-static void graph_trace_close(struct trace_iterator *iter)
+void graph_trace_close(struct trace_iterator *iter)
{
struct fgraph_data *data = iter->private;