This appends the controller instance to the trace buffer for nvme commands to distinguish what controller is dispatching a command.
Signed-off-by: Keith Busch <[email protected]> --- drivers/nvme/host/trace.h | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h index bca3451caa37..57344980af16 100644 --- a/drivers/nvme/host/trace.h +++ b/drivers/nvme/host/trace.h @@ -79,6 +79,7 @@ TRACE_EVENT(nvme_setup_nvm_cmd, TP_PROTO(struct request *req, struct nvme_command *cmd), TP_ARGS(req, cmd), TP_STRUCT__entry( + __field(int, ctrl_id) __field(int, qid) __field(u8, opcode) __field(u8, flags) @@ -88,6 +89,7 @@ TRACE_EVENT(nvme_setup_nvm_cmd, __array(u8, cdw10, 24) ), TP_fast_assign( + __entry->ctrl_id = nvme_req(req)->ctrl->instance; __entry->qid = blk_mq_request_hctx_idx(req) + !!req->rq_disk; __entry->opcode = cmd->common.opcode; __entry->flags = cmd->common.flags; @@ -97,9 +99,9 @@ TRACE_EVENT(nvme_setup_nvm_cmd, memcpy(__entry->cdw10, cmd->common.cdw10, sizeof(__entry->cdw10)); ), - TP_printk("qid=%d, nsid=%u, cmdid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)", - __entry->qid, __entry->nsid, __entry->cid, - __entry->flags, __entry->metadata, + TP_printk("nvme%d: qid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)", + __entry->ctrl_id, __entry->qid, __entry->nsid, + __entry->cid, __entry->flags, __entry->metadata, __entry->qid ? show_opcode_name(__entry->opcode) : show_admin_opcode_name(__entry->opcode), @@ -112,6 +114,7 @@ TRACE_EVENT(nvme_complete_rq, TP_PROTO(struct request *req), TP_ARGS(req), TP_STRUCT__entry( + __field(int, ctrl_id) __field(int, qid) __field(int, cid) __field(u64, result) @@ -120,6 +123,7 @@ TRACE_EVENT(nvme_complete_rq, __field(u16, status) ), TP_fast_assign( + __entry->ctrl_id = nvme_req(req)->ctrl->instance; __entry->qid = blk_mq_request_hctx_idx(req) + !!req->rq_disk; __entry->cid = req->tag; __entry->result = le64_to_cpu(nvme_req(req)->result.u64); @@ -127,9 +131,10 @@ TRACE_EVENT(nvme_complete_rq, __entry->flags = nvme_req(req)->flags; __entry->status = nvme_req(req)->status; ), - TP_printk("qid=%d, cmdid=%u, res=%llu, retries=%u, flags=0x%x, status=%u", - __entry->qid, __entry->cid, __entry->result, - __entry->retries, __entry->flags, __entry->status) + TP_printk("nvme%d: qid=%d, cmdid=%u, res=%llu, retries=%u, flags=0x%x, status=%u", + __entry->ctrl_id, __entry->qid, __entry->cid, + __entry->result, __entry->retries, __entry->flags, + __entry->status) ); -- 2.14.3
