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authorIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
commit7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch)
treed40cd3f47b9f667ba94d9613270132080dcb6a1a /drivers/oprofile/event_buffer.h
parent6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff)
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'drivers/oprofile/event_buffer.h')
-rw-r--r--drivers/oprofile/event_buffer.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/oprofile/event_buffer.h b/drivers/oprofile/event_buffer.h
index 5076ed1ebd8..4e70749f8d1 100644
--- a/drivers/oprofile/event_buffer.h
+++ b/drivers/oprofile/event_buffer.h
@@ -10,13 +10,20 @@
#ifndef EVENT_BUFFER_H
#define EVENT_BUFFER_H
-#include <linux/types.h>
+#include <linux/types.h>
#include <asm/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);
@@ -24,10 +31,10 @@ void wake_up_buffer_waiter(void);
#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 */