[PATCH] Add timestamp field to process events

This adds a timestamp field to the events sent via the process event
connector.  The timestamp allows listeners to accurately account the
duration(s) between a process' events and offers strong means with which
to determine the order of events with respect to a given task while also
avoiding the addition of per-task data.

This alters the size and layout of the event structure and hence would
break compatibility if process events connector as it stands in 2.6.15-rc2
were released as a mainline kernel.

Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/cn_proc.h b/include/linux/cn_proc.h
index c948f678e04e..1417de935057 100644
--- a/include/linux/cn_proc.h
+++ b/include/linux/cn_proc.h
@@ -26,6 +26,7 @@
 #define CN_PROC_H
 
 #include <linux/types.h>
+#include <linux/time.h>
 #include <linux/connector.h>
 
 /*
@@ -65,6 +66,7 @@ struct proc_event {
                 PROC_EVENT_EXIT = 0x80000000
         } what;
         __u32 cpu;
+        struct timespec timestamp;
         union { /* must be last field of proc_event struct */
                 struct {
                         __u32 err;