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From: Keith Busch <kbusch@kernel.org>
To: qemu-block@nongnu.org, qemu-devel@nongnu.org,
	Klaus Jensen <k.jensen@samsung.com>
Cc: "Dmitry Fomichev" <dmitry.fomichev@wdc.com>,
	"Niklas Cassel" <Niklas.Cassel@wdc.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Keith Busch" <kbusch@kernel.org>,
	"Kevin Wolf" <kwolf@redhat.com>
Subject: [PATCH 8/9] hw/block/nvme: add trace event for requests with non-zero status code
Date: Wed, 30 Sep 2020 15:04:13 -0700	[thread overview]
Message-ID: <20200930220414.562527-9-kbusch@kernel.org> (raw)
In-Reply-To: <20200930220414.562527-1-kbusch@kernel.org>

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>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
 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 dc971c9653..16804d0278 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 180c43d258..ff3ca4bbf6 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"
-- 
2.24.1



  parent reply	other threads:[~2020-09-30 22:08 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-30 22:04 [PATCH 0/9] nvme qemu cleanups and fixes Keith Busch
2020-09-30 22:04 ` [PATCH 1/9] hw/block/nvme: remove pointless rw indirection Keith Busch
2020-10-01  4:05   ` Klaus Jensen
2020-10-01  8:48     ` Klaus Jensen
2020-10-01 15:24       ` Keith Busch
2020-10-01 18:34     ` Klaus Jensen
2020-10-06  1:49   ` Dmitry Fomichev
2020-09-30 22:04 ` [PATCH 2/9] hw/block/nvme: fix log page offset check Keith Busch
2020-09-30 23:18   ` Dmitry Fomichev
2020-10-01  4:05   ` Klaus Jensen
2020-10-01 10:11   ` Philippe Mathieu-Daudé
2020-09-30 22:04 ` [PATCH 3/9] hw/block/nvme: support per-namespace smart log Keith Busch
2020-10-01  4:10   ` Klaus Jensen
2020-10-01 15:20     ` Keith Busch
2020-10-01 17:18       ` Klaus Jensen
2020-10-01 17:30         ` Keith Busch
2020-10-01 17:34           ` Klaus Jensen
2020-10-02  8:48   ` Klaus Jensen
2020-10-06  1:57   ` Dmitry Fomichev
2020-09-30 22:04 ` [PATCH 4/9] hw/block/nvme: validate command set selected Keith Busch
2020-10-01  4:14   ` Klaus Jensen
2020-09-30 22:04 ` [PATCH 5/9] hw/block/nvme: support for admin-only command set Keith Busch
2020-10-01  0:11   ` Dmitry Fomichev
2020-10-01  4:17   ` Klaus Jensen
2020-09-30 22:04 ` [PATCH 6/9] hw/block/nvme: reject io commands if only admin command set selected Keith Busch
2020-09-30 23:11   ` Dmitry Fomichev
2020-09-30 22:04 ` [PATCH 7/9] hw/block/nvme: add nsid to get/setfeat trace events Keith Busch
2020-09-30 22:04 ` Keith Busch [this message]
2020-09-30 23:21   ` [PATCH 8/9] hw/block/nvme: add trace event for requests with non-zero status code Dmitry Fomichev
2020-10-01 15:25   ` Philippe Mathieu-Daudé
2020-09-30 22:04 ` [PATCH 9/9] hw/block/nvme: report actual LBA data shift in LBAF Keith Busch
2020-10-01  9:48   ` Klaus Jensen
2020-10-01 18:46 ` [PATCH 0/9] nvme qemu cleanups and fixes Klaus Jensen
2020-10-13  9:04 ` Klaus Jensen
2020-10-13 17:48   ` Keith Busch
2020-10-13 18:36     ` Klaus Jensen

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