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common: iotrace: add timestamp to iotrace records

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Add timestamp to each iotrace record to aid in debugging
of IO timing access bugs.

Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Ramon Fried 2018-05-30 23:09:59 +03:00 • committed by Tom Rini
parent a74440b27b
commit b5e0e360fd
1 changed files with 3 additions and 1 deletions
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4
common/iotrace.c
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@ -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;