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[PATCH v5 13/26] nvme: additional tracing

From: Klaus Jensen
Subject: [PATCH v5 13/26] nvme: additional tracing
Date: Tue, 4 Feb 2020 10:51:55 +0100

Add a trace call for nvme_enqueue_req_completion.

Also, streamline nvme_identify_ns and nvme_identify_ns_list. They do not
need to repeat the command, it is already in the trace name.

Signed-off-by: Klaus Jensen <address@hidden>
 hw/block/nvme.c       | 8 +++++---
 hw/block/trace-events | 5 +++--
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 3267ee2de47a..30c5b3e7a67d 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -320,6 +320,8 @@ static void nvme_post_cqes(void *opaque)
 static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req)
     assert(cq->cqid == req->sq->cqid);
+    trace_nvme_dev_enqueue_req_completion(nvme_cid(req), cq->cqid,
+        req->status);
     QTAILQ_REMOVE(&req->sq->out_req_list, req, entry);
     QTAILQ_INSERT_TAIL(&cq->req_list, req, entry);
     timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500);
@@ -895,7 +897,7 @@ static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeIdentify 
         prp1, prp2);
-static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeIdentify *c)
+static uint16_t nvme_identify_ns_list(NvmeCtrl *n, NvmeIdentify *c)
     static const int data_len = 4 * KiB;
     uint32_t min_nsid = le32_to_cpu(c->nsid);
@@ -905,7 +907,7 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n, 
NvmeIdentify *c)
     uint16_t ret;
     int i, j = 0;
-    trace_nvme_dev_identify_nslist(min_nsid);
+    trace_nvme_dev_identify_ns_list(min_nsid);
     list = g_malloc0(data_len);
     for (i = 0; i < n->num_namespaces; i++) {
@@ -932,7 +934,7 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeCmd *cmd)
     case 0x01:
         return nvme_identify_ctrl(n, c);
     case 0x02:
-        return nvme_identify_nslist(n, c);
+        return nvme_identify_ns_list(n, c);
         return NVME_INVALID_FIELD | NVME_DNR;
diff --git a/hw/block/trace-events b/hw/block/trace-events
index 4cf39961989d..f982ec1a3221 100644
--- a/hw/block/trace-events
+++ b/hw/block/trace-events
@@ -39,8 +39,8 @@ nvme_dev_create_cq(uint64_t addr, uint16_t cqid, uint16_t 
vector, uint16_t size,
 nvme_dev_del_sq(uint16_t qid) "deleting submission queue sqid=%"PRIu16""
 nvme_dev_del_cq(uint16_t cqid) "deleted completion queue, sqid=%"PRIu16""
 nvme_dev_identify_ctrl(void) "identify controller"
-nvme_dev_identify_ns(uint16_t ns) "identify namespace, nsid=%"PRIu16""
-nvme_dev_identify_nslist(uint16_t ns) "identify namespace list, nsid=%"PRIu16""
+nvme_dev_identify_ns(uint32_t ns) "nsid %"PRIu32""
+nvme_dev_identify_ns_list(uint32_t ns) "nsid %"PRIu32""
 nvme_dev_getfeat(uint16_t cid, uint32_t fid) "cid %"PRIu16" fid 0x%"PRIx32""
 nvme_dev_setfeat(uint16_t cid, uint32_t fid, uint32_t val) "cid %"PRIu16" fid 
0x%"PRIx32" val 0x%"PRIx32""
 nvme_dev_getfeat_vwcache(const char* result) "get feature volatile write 
cache, result=%s"
@@ -54,6 +54,7 @@ nvme_dev_aer(uint16_t cid) "cid %"PRIu16""
 nvme_dev_aer_aerl_exceeded(void) "aerl exceeded"
 nvme_dev_aer_masked(uint8_t type, uint8_t mask) "type 0x%"PRIx8" mask 
 nvme_dev_aer_post_cqe(uint8_t typ, uint8_t info, uint8_t log_page) "type 
0x%"PRIx8" info 0x%"PRIx8" lid 0x%"PRIx8""
+nvme_dev_enqueue_req_completion(uint16_t cid, uint16_t cqid, uint16_t status) 
"cid %"PRIu16" cqid %"PRIu16" status 0x%"PRIx16""
 nvme_dev_enqueue_event(uint8_t typ, uint8_t info, uint8_t log_page) "type 
0x%"PRIx8" info 0x%"PRIx8" lid 0x%"PRIx8""
 nvme_dev_enqueue_event_noqueue(int queued) "queued %d"
 nvme_dev_enqueue_event_masked(uint8_t typ) "type 0x%"PRIx8""

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