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From: Klaus Jensen <its@irrelevant.dk>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Fam Zheng <fam@euphon.net>,
	qemu-block@nongnu.org, Klaus Jensen <k.jensen@samsung.com>,
	Max Reitz <mreitz@redhat.com>, Keith Busch <kbusch@kernel.org>,
	Klaus Jensen <its@irrelevant.dk>
Subject: [PATCH v2 02/14] hw/block/nvme: add trace event for requests with non-zero status code
Date: Wed, 30 Sep 2020 01:19:05 +0200	[thread overview]
Message-ID: <20200929231917.433586-3-its@irrelevant.dk> (raw)
In-Reply-To: <20200929231917.433586-1-its@irrelevant.dk>

From: Klaus Jensen <k.jensen@samsung.com>

If a command results in a non-zero status code, trace it.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/block/nvme.c       | 6 ++++++
 hw/block/trace-events | 1 +
 2 files changed, 7 insertions(+)

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 84b6b516fa7b..3cbc3c7b75b1 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -777,6 +777,12 @@ static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req)
     assert(cq->cqid == req->sq->cqid);
     trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid,
                                           req->status);
+
+    if (req->status) {
+        trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns),
+                                      req->status, req->cmd.opcode);
+    }
+
     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);
diff --git a/hw/block/trace-events b/hw/block/trace-events
index 5a239b80bf36..9e7507c5abde 100644
--- a/hw/block/trace-events
+++ b/hw/block/trace-events
@@ -89,6 +89,7 @@ pci_nvme_mmio_shutdown_cleared(void) "shutdown bit cleared"
 
 # nvme traces for error conditions
 pci_nvme_err_mdts(uint16_t cid, size_t len) "cid %"PRIu16" len %zu"
+pci_nvme_err_req_status(uint16_t cid, uint32_t nsid, uint16_t status, uint8_t opc) "cid %"PRIu16" nsid %"PRIu32" status 0x%"PRIx16" opc 0x%"PRIx8""
 pci_nvme_err_addr_read(uint64_t addr) "addr 0x%"PRIx64""
 pci_nvme_err_addr_write(uint64_t addr) "addr 0x%"PRIx64""
 pci_nvme_err_cfs(void) "controller fatal status"
-- 
2.28.0



  parent reply	other threads:[~2020-09-29 23:23 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-29 23:19 [PATCH v2 00/14] hw/block/nvme: zoned namespace command set Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 01/14] hw/block/nvme: add nsid to get/setfeat trace events Klaus Jensen
2020-09-29 23:19 ` Klaus Jensen [this message]
2020-09-29 23:19 ` [PATCH v2 03/14] hw/block/nvme: make lba data size configurable Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 04/14] hw/block/nvme: reject io commands if only admin command set selected Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 05/14] hw/block/nvme: consolidate read, write and write zeroes Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 06/14] hw/block/nvme: add support for dulbe and block utilization tracking Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 07/14] hw/block/nvme: add commands supported and effects log page Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 08/14] hw/block/nvme: support namespace types Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 09/14] hw/block/nvme: add basic read/write for zoned namespaces Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 10/14] hw/block/nvme: add the zone management receive command Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 11/14] hw/block/nvme: add the zone management send command Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 12/14] hw/block/nvme: add the zone append command Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 13/14] hw/block/nvme: track and enforce zone resources Klaus Jensen
2020-09-29 23:19 ` [PATCH v2 14/14] hw/block/nvme: allow open to close transitions by controller Klaus Jensen

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