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[PATCH 06/25] block/nvme: Improve nvme_free_req_queue_wait() trace infor

From: Philippe Mathieu-Daudé
Subject: [PATCH 06/25] block/nvme: Improve nvme_free_req_queue_wait() trace information
Date: Tue, 27 Oct 2020 14:55:28 +0100

What we want to trace is the block driver state and the queue index.

Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
 block/nvme.c       | 2 +-
 block/trace-events | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/nvme.c b/block/nvme.c
index 8d74401ae7a..29d2541b911 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -292,7 +292,7 @@ static NVMeRequest *nvme_get_free_req(NVMeQueuePair *q)
     while (q->free_req_head == -1) {
         if (qemu_in_coroutine()) {
-            trace_nvme_free_req_queue_wait(q);
+            trace_nvme_free_req_queue_wait(q->s, q->index);
             qemu_co_queue_wait(&q->free_req_queue, &q->lock);
         } else {
diff --git a/block/trace-events b/block/trace-events
index 86292f3312b..cc5e2b55cb5 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -154,7 +154,7 @@ nvme_rw_done(void *s, int is_write, uint64_t offset, 
uint64_t bytes, int ret) "s
 nvme_dsm(void *s, uint64_t offset, uint64_t bytes) "s %p offset 0x%"PRIx64" 
bytes %"PRId64""
 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 *q) "q %p"
+nvme_free_req_queue_wait(void *s, unsigned q_index) "s %p q #%u"
 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] 
 nvme_cmd_map_qiov_iov(void *s, int i, void *page, int pages) "s %p iov[%d] %p 
pages %d"

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