From: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
Since the new fgraph requires to initialize fgraph_ops.ops.func_hash before
calling register_ftrace_graph(), initialize it with default (tracing all
functions) parameter.
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
---
kernel/trace/ftrace.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 66aea1baf8a2..d589057957d2 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -904,6 +904,10 @@ static void profile_graph_return(struct ftrace_graph_ret *trace,
}
static struct fgraph_ops fprofiler_ops = {
+ .ops = {
+ .flags = FTRACE_OPS_FL_INITIALIZED,
+ INIT_OPS_HASH(fprofiler_ops.ops)
+ },
.entryfunc = &profile_graph_entry,
.retfunc = &profile_graph_return,
};
