summaryrefslogtreecommitdiff
path: root/kernel/trace/trace_functions_graph.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
-rw-r--r--kernel/trace/trace_functions_graph.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 9234e2c39abf..66e1a527cf1a 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -455,10 +455,16 @@ static int graph_trace_init(struct trace_array *tr)
return 0;
}
+static struct tracer graph_trace;
+
static int ftrace_graph_trace_args(struct trace_array *tr, int set)
{
trace_func_graph_ent_t entry;
+ /* Do nothing if the current tracer is not this tracer */
+ if (tr->current_trace != &graph_trace)
+ return 0;
+
if (set)
entry = trace_graph_entry_args;
else
@@ -507,7 +513,7 @@ static void print_graph_proc(struct trace_seq *s, pid_t pid)
{
char comm[TASK_COMM_LEN];
/* sign + log10(MAX_INT) + '\0' */
- char pid_str[11];
+ char pid_str[12];
int spaces = 0;
int len;
int i;