Release 4.11 drivers/oprofile/event_buffer.h

/**
 * @file event_buffer.h
 *
 * @remark Copyright 2002 OProfile authors
 * @remark Read the file COPYING
 *
 * @author John Levon <levon@movementarian.org>
 */

#ifndef EVENT_BUFFER_H

#define EVENT_BUFFER_H

#include <linux/types.h>
#include <linux/mutex.h>

int alloc_event_buffer(void);

void free_event_buffer(void);

/**
 * Add data to the event buffer.
 * The data passed is free-form, but typically consists of
 * file offsets, dcookies, context information, and ESCAPE codes.
 */
void add_event_entry(unsigned long data);

/* wake up the process sleeping on the event file */
void wake_up_buffer_waiter(void);


#define INVALID_COOKIE ~0UL

#define NO_COOKIE 0UL

extern const struct file_operations event_buffer_fops;

/* mutex between sync_cpu_buffers() and the
 * file reading code.
 */
extern struct mutex buffer_mutex;

#endif /* EVENT_BUFFER_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
John Levon
51
79.69%
2
33.33%
Carl E. Love
9
14.06%
1
16.67%
Markus Armbruster
2
3.12%
1
16.67%
Arjan van de Ven
1
1.56%
1
16.67%
Anton Blanchard
1
1.56%
1
16.67%
Total
64
100.00%
6
100.00%
Directory: drivers/oprofile

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