[U-Boot] [PATCH v4 3/6] common: iotrace: add timestamp to iotrace records
Ramon Fried
ramon.fried at gmail.com
Wed May 30 20:09:59 UTC 2018
Add timestamp to each iotrace record to aid in debugging
of IO timing access bugs.
Signed-off-by: Ramon Fried <ramon.fried at gmail.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
Changes in v4: None
Changes in v3: None
Changes in v2: None
Changes in v1:
- Change timestamp function to get_ticks()
common/iotrace.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/common/iotrace.c b/common/iotrace.c
index f39885663a..2f03a6082e 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;
};
@@ -81,7 +83,7 @@ static void add_record(int flags, const void *ptr, ulong value)
iotrace.start + iotrace.offset,
sizeof(value));
}
-
+ rec->timestamp = timer_get_us();
rec->flags = flags;
rec->addr = map_to_sysmem(ptr);
rec->value = value;
--
2.17.0
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