file
struct file {
extern void trace_put_event_file(struct trace_event_file *file);
extern int synth_event_trace(struct trace_event_file *file,
extern int synth_event_trace_array(struct trace_event_file *file, u64 *vals,
extern int synth_event_trace_start(struct trace_event_file *file,
#define hist_poll_wait(file, wait) \
poll_wait(file, &hist_poll_wq, wait)
struct file {
struct file {
struct file {