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trace: Trace posix-aio-compat.c completion and cancellation

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This patch adds paio_complete() and paio_cancel() trace events to
complement the paio_submit() event.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Stefan Hajnoczi 2011-03-07 08:06:10 +00:00
parent a13aac04e1
commit ddca9fb2b5
2 changed files with 7 additions and 0 deletions
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5
posix-aio-compat.c
View file

@ -455,6 +455,9 @@ static int posix_aio_process_queue(void *opaque)
} else {
ret = -ret;
}
trace_paio_complete(acb, acb->common.opaque, ret);
/* remove the request */
*pacb = acb->next;
/* call the callback */
@ -537,6 +540,8 @@ static void paio_cancel(BlockDriverAIOCB *blockacb)
struct qemu_paiocb *acb = (struct qemu_paiocb *)blockacb;
int active = 0;
trace_paio_cancel(acb, acb->common.opaque);
mutex_lock(&lock);
if (!acb->active) {
QTAILQ_REMOVE(&request_list, acb, node);