diff mbox series

[U-Boot,3/5] common: iotrace: add timestamp to iotrace records

Message ID 20180524193604.28280-4-ramon.fried@gmail.com
State Superseded
Delegated to: Tom Rini
Headers show
Series Iotrace improvements | expand

Commit Message

Ramon Fried May 24, 2018, 7:36 p.m. UTC 
Add timestamp to each iotrace record to aid in debugging
of IO timing access bugs.

Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
---
 common/iotrace.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/common/iotrace.c b/common/iotrace.c
index f39885663a..3530688ab1 100644
--- a/common/iotrace.c
+++ b/common/iotrace.c
@@ -27,11 +27,13 @@  enum iotrace_flags {
  * struct iotrace_record - Holds a single I/O trace record
  *
  * @flags: I/O access type
+ * @timestamp: Timestamp of access
  * @addr: Address of access
  * @value: Value written or read
  */
 struct iotrace_record {
 	enum iotrace_flags flags;
+	u64 timestamp;
 	phys_addr_t addr;
 	iovalue_t value;
 };
@@ -82,6 +84,7 @@  static void add_record(int flags, const void *ptr, ulong value)
 					sizeof(value));
 	}
 
+	rec->timestamp = get_ticks();
 	rec->flags = flags;
 	rec->addr = map_to_sysmem(ptr);
 	rec->value = value;