block/nvme: Display CQ/SQ pointer in nvme_free_queue_pair()

For debugging purpose it is helpful to know the CQ/SQ pointers.
We already have a trace event in nvme_free_queue_pair(), extend
it to report these pointer addresses.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211006164931.172349-3-philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/nvme.c b/block/nvme.c
index fefcc04abe61b03dd845ef004b4cd9cf8d04ee25..0c94799a5416000d70256cb305b3dca0ea62effc 100644 (file)
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -185,7 +185,7 @@ static bool nvme_init_queue(BDRVNVMeState *s, NVMeQueue *q,
 
 static void nvme_free_queue_pair(NVMeQueuePair *q)
 {
-    trace_nvme_free_queue_pair(q->index, q);
+    trace_nvme_free_queue_pair(q->index, q, &q->cq, &q->sq);
     if (q->completion_bh) {
         qemu_bh_delete(q->completion_bh);
     }

diff --git a/block/trace-events b/block/trace-events
index ab56edacb4fcf067b9ef7f0528639935d3fb5efc..549090d453e7a1c262bfd3f86d748c63bc531504 100644 (file)
--- a/block/trace-events
+++ b/block/trace-events
@@ -157,7 +157,7 @@ nvme_dsm_done(void *s, int64_t offset, int64_t bytes, int ret) "s %p offset 0x%"
 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, size_t size, void *aio_context, int fd) "index %u q %p size %zu aioctx %p fd %d"
-nvme_free_queue_pair(unsigned q_index, void *q) "index %u q %p"
+nvme_free_queue_pair(unsigned q_index, void *q, void *cq, void *sq) "index %u q %p cq %p sq %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"