diff options
| author | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2011-03-07 08:06:10 +0000 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2011-03-07 15:34:46 +0000 |
| commit | ddca9fb2b5ecc7ccaa81fbc73d2b723922c181f1 (patch) | |
| tree | c9b76ee9a60a9f5026c6274343b0db14f1905acd | |
| parent | a13aac04e13b246edab6c0c08513504ecb71bbd4 (diff) | |
trace: Trace posix-aio-compat.c completion and cancellation
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>
| -rw-r--r-- | posix-aio-compat.c | 5 | ||||
| -rw-r--r-- | trace-events | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/posix-aio-compat.c b/posix-aio-compat.c index fa5494db8c..6d4df9da30 100644 --- a/posix-aio-compat.c +++ b/posix-aio-compat.c @@ -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); diff --git a/trace-events b/trace-events index 0a26d6a94f..90c9e0b5e7 100644 --- a/trace-events +++ b/trace-events @@ -62,6 +62,8 @@ disable virtio_blk_handle_write(void *req, uint64_t sector, size_t nsectors) "re # posix-aio-compat.c disable paio_submit(void *acb, void *opaque, int64_t sector_num, int nb_sectors, int type) "acb %p opaque %p sector_num %"PRId64" nb_sectors %d type %d" +disable paio_complete(void *acb, void *opaque, int ret) "acb %p opaque %p ret %d" +disable paio_cancel(void *acb, void *opaque) "acb %p opaque %p" # ioport.c disable cpu_in(unsigned int addr, unsigned int val) "addr %#x value %u" |