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authorIngo Molnar <mingo@elte.hu>2008-10-28 16:26:12 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-28 16:26:12 +0100
commit7a9787e1eba95a166265e6a260cf30af04ef0a99 (patch)
treee730a4565e0318140d2fbd2f0415d18a339d7336 /drivers/oprofile/event_buffer.h
parent41b9eb264c8407655db57b60b4457fe1b2ec9977 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks
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 */