block/nvme: Trace queue pair creation/deletion

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201029093306.1063879-8-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>

diff --git a/block/nvme.c b/block/nvme.c
index 29d2541..e95d59d 100644 (file)
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -181,6 +181,7 @@ static void nvme_init_queue(BDRVNVMeState *s, NVMeQueue *q,
 
 static void nvme_free_queue_pair(NVMeQueuePair *q)
 {
+    trace_nvme_free_queue_pair(q->index, q);
     if (q->completion_bh) {
         qemu_bh_delete(q->completion_bh);
     }
@@ -216,6 +217,8 @@ static NVMeQueuePair *nvme_create_queue_pair(BDRVNVMeState *s,
     if (!q) {
         return NULL;
     }
+    trace_nvme_create_queue_pair(idx, q, size, aio_context,
+                                 event_notifier_get_fd(s->irq_notifier));
     q->prp_list_pages = qemu_try_memalign(s->page_size,
                                           s->page_size * NVME_NUM_REQS);
     if (!q->prp_list_pages) {

diff --git a/block/trace-events b/block/trace-events
index cc5e2b5..f6a0f99 100644 (file)
--- a/block/trace-events
+++ b/block/trace-events
@@ -155,6 +155,8 @@ nvme_dsm(void *s, uint64_t offset, uint64_t bytes) "s %p offset 0x%"PRIx64" byte
 nvme_dsm_done(void *s, uint64_t offset, uint64_t bytes, int ret) "s %p offset 0x%"PRIx64" bytes %"PRId64" ret %d"
 nvme_dma_map_flush(void *s) "s %p"
 nvme_free_req_queue_wait(void *s, unsigned q_index) "s %p q #%u"
+nvme_create_queue_pair(unsigned q_index, void *q, unsigned size, void *aio_context, int fd) "index %u q %p size %u aioctx %p fd %d"
+nvme_free_queue_pair(unsigned q_index, void *q) "index %u q %p"
 nvme_cmd_map_qiov(void *s, void *cmd, void *req, void *qiov, int entries) "s %p cmd %p req %p qiov %p entries %d"
 nvme_cmd_map_qiov_pages(void *s, int i, uint64_t page) "s %p page[%d] 0x%"PRIx64
 nvme_cmd_map_qiov_iov(void *s, int i, void *page, int pages) "s %p iov[%d] %p pages %d"