diff options
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index a4dce1e..eaee458 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -156,6 +156,9 @@ struct trace_array_cpu { char comm[TASK_COMM_LEN]; bool ignore_pid; +#ifdef CONFIG_FUNCTION_TRACER + bool ftrace_ignore_pid; +#endif }; struct tracer; @@ -247,6 +250,7 @@ struct trace_array { int ref; #ifdef CONFIG_FUNCTION_TRACER struct ftrace_ops *ops; + struct trace_pid_list __rcu *function_pids; /* function tracing enabled */ int function_enabled; #endif @@ -840,12 +844,9 @@ extern struct list_head ftrace_pids; #ifdef CONFIG_FUNCTION_TRACER extern bool ftrace_filter_param __initdata; -static inline int ftrace_trace_task(struct task_struct *task) +static inline int ftrace_trace_task(struct trace_array *tr) { - if (list_empty(&ftrace_pids)) - return 1; - - return test_tsk_trace_trace(task); + return !this_cpu_read(tr->trace_buffer.data->ftrace_ignore_pid); } extern int ftrace_is_dead(void); int ftrace_create_function_files(struct trace_array *tr, @@ -855,8 +856,9 @@ void ftrace_init_global_array_ops(struct trace_array *tr); void ftrace_init_array_ops(struct trace_array *tr, ftrace_func_t func); void ftrace_reset_array_ops(struct trace_array *tr); int using_ftrace_ops_list_func(void); +void ftrace_init_tracefs(struct trace_array *tr, struct dentry *d_tracer); #else -static inline int ftrace_trace_task(struct task_struct *task) +static inline int ftrace_trace_task(struct trace_array *tr) { return 1; } @@ -871,6 +873,7 @@ static inline void ftrace_destroy_function_files(struct trace_array *tr) { } static inline __init void ftrace_init_global_array_ops(struct trace_array *tr) { } static inline void ftrace_reset_array_ops(struct trace_array *tr) { } +static inline void ftrace_init_tracefs(struct trace_array *tr, struct dentry *d) { } /* ftace_func_t type is not defined, use macro instead of static inline */ #define ftrace_init_array_ops(tr, func) do { } while (0) #endif /* CONFIG_FUNCTION_TRACER */ |
