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

Ramon Fried
2018-05-24T19:36:02Z

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 --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;
--
2.17.0