Update timestamp structure to reflect PID field

1 files changed, 8 insertions, 1 deletions

diff --git a/include/timestamp.h b/include/timestamp.h
index 57fd0bc..b3b10ce 100644
--- a/include/timestamp.h
+++ b/include/timestamp.h
@@ -9,8 +9,15 @@ enum task_type_marker {
         TSK_UNKNOWN
 };
 
+/* Note: bitfields are highly non-portable (allocation is completely
+ * implementation-defined).  Make sure you use the *same* compiler as the one
+ * used for the kernel itself (this works with gcc in practice, but is not
+ * *guaranteed* to work).  Patches to get rid of the bitfields (without
+ * enlarging the structure) are highly welcome.
+ */
 struct timestamp {
-        uint64_t                timestamp;
+        uint64_t                timestamp:48;
+        uint64_t                pid:16;
         uint32_t                seq_no;
         uint8_t                 cpu;
         uint8_t                 event;