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[PATCH 3/3] hw/block/nvme: add trace event for requests with non-zero st
From: |
Klaus Jensen |
Subject: |
[PATCH 3/3] hw/block/nvme: add trace event for requests with non-zero status code |
Date: |
Tue, 30 Jun 2020 06:31:22 +0200 |
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 | 5 +++++
hw/block/trace-events | 1 +
2 files changed, 6 insertions(+)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 9f1a1ba03b8a..25d79bcd0bc9 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -813,6 +813,11 @@ static void nvme_enqueue_req_completion(NvmeCQueue *cq,
NvmeRequest *req)
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 c570c7d0e2a5..ed21609f1a4f 100644
--- a/hw/block/trace-events
+++ b/hw/block/trace-events
@@ -94,6 +94,7 @@ 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 %"PRIu64""
pci_nvme_err_aio(uint16_t cid, void *aio, const char *blkname, uint64_t
offset, const char *opc, void *req, uint16_t status) "cid %"PRIu16" aio %p blk
\"%s\" offset %"PRIu64" opc \"%s\" req %p status 0x%"PRIx16""
+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_invalid_sgld(uint16_t cid, uint8_t typ) "cid %"PRIu16" type
0x%"PRIx8""
--
2.27.0