diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c index 7fb9b169d6d4..65ac0f04a946 100644 --- a/kernel/trace/fgraph.c +++ b/kernel/trace/fgraph.c @@ -1016,6 +1016,7 @@ void fgraph_init_ops(struct ftrace_ops *dst_ops, mutex_init(&dst_ops->local_hash.regex_lock); INIT_LIST_HEAD(&dst_ops->subop_list); dst_ops->flags |= FTRACE_OPS_FL_INITIALIZED; + dst_ops->private = src_ops->private; } #endif } @@ -1368,6 +1369,13 @@ int register_ftrace_graph(struct fgraph_ops *gops) ftrace_graph_active++; + /* Always save the function, and reset at unregistering */ + gops->saved_func = gops->entryfunc; +#ifdef CONFIG_DYNAMIC_FTRACE + if (ftrace_pids_enabled(&gops->ops)) + gops->entryfunc = fgraph_pid_func; +#endif + if (ftrace_graph_active == 2) ftrace_graph_disable_direct(true); @@ -1387,8 +1395,6 @@ int register_ftrace_graph(struct fgraph_ops *gops) } else { init_task_vars(gops->idx); } - /* Always save the function, and reset at unregistering */ - gops->saved_func = gops->entryfunc; gops->ops.flags |= FTRACE_OPS_FL_GRAPH; diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index c2b61bcd912f..b6d42fe06115 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1162,11 +1162,6 @@ struct ftrace_func_command { char *params, int enable); }; extern bool ftrace_filter_param __initdata; -static inline int ftrace_trace_task(struct trace_array *tr) -{ - return this_cpu_read(tr->array_buffer.data->ftrace_ignore_pid) != - FTRACE_PID_IGNORE; -} extern int ftrace_is_dead(void); int ftrace_create_function_files(struct trace_array *tr, struct dentry *parent); @@ -1184,10 +1179,6 @@ void ftrace_clear_pids(struct trace_array *tr); int init_function_trace(void); void ftrace_pid_follow_fork(struct trace_array *tr, bool enable); #else -static inline int ftrace_trace_task(struct trace_array *tr) -{ - return 1; -} static inline int ftrace_is_dead(void) { return 0; } static inline int ftrace_create_function_files(struct trace_array *tr, diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index 17c75cf2348e..b1e9c9913309 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -251,9 +251,6 @@ static int graph_entry(struct ftrace_graph_ent *trace, return 1; } - if (!ftrace_trace_task(tr)) - return 0; - if (ftrace_graph_ignore_func(gops, trace)) return 0;