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175 lines
5.0 KiB
175 lines
5.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* NVM Express device driver tracepoints |
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* Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH |
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*/ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM nvme |
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#if !defined(_TRACE_NVME_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_NVME_H |
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#include <linux/nvme.h> |
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#include <linux/tracepoint.h> |
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#include <linux/trace_seq.h> |
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#include "nvme.h" |
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const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode, |
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u8 *cdw10); |
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const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode, |
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u8 *cdw10); |
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const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype, |
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u8 *spc); |
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#define parse_nvme_cmd(qid, opcode, fctype, cdw10) \ |
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((opcode) == nvme_fabrics_command ? \ |
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nvme_trace_parse_fabrics_cmd(p, fctype, cdw10) : \ |
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((qid) ? \ |
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nvme_trace_parse_nvm_cmd(p, opcode, cdw10) : \ |
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nvme_trace_parse_admin_cmd(p, opcode, cdw10))) |
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const char *nvme_trace_disk_name(struct trace_seq *p, char *name); |
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#define __print_disk_name(name) \ |
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nvme_trace_disk_name(p, name) |
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#ifndef TRACE_HEADER_MULTI_READ |
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static inline void __assign_disk_name(char *name, struct gendisk *disk) |
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{ |
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if (disk) |
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memcpy(name, disk->disk_name, DISK_NAME_LEN); |
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else |
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memset(name, 0, DISK_NAME_LEN); |
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} |
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#endif |
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TRACE_EVENT(nvme_setup_cmd, |
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TP_PROTO(struct request *req, struct nvme_command *cmd), |
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TP_ARGS(req, cmd), |
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TP_STRUCT__entry( |
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__array(char, disk, DISK_NAME_LEN) |
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__field(int, ctrl_id) |
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__field(int, qid) |
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__field(u8, opcode) |
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__field(u8, flags) |
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__field(u8, fctype) |
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__field(u16, cid) |
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__field(u32, nsid) |
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__field(bool, metadata) |
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__array(u8, cdw10, 24) |
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), |
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TP_fast_assign( |
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__entry->ctrl_id = nvme_req(req)->ctrl->instance; |
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__entry->qid = nvme_req_qid(req); |
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__entry->opcode = cmd->common.opcode; |
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__entry->flags = cmd->common.flags; |
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__entry->cid = cmd->common.command_id; |
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__entry->nsid = le32_to_cpu(cmd->common.nsid); |
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__entry->metadata = !!blk_integrity_rq(req); |
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__entry->fctype = cmd->fabrics.fctype; |
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__assign_disk_name(__entry->disk, req->q->disk); |
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memcpy(__entry->cdw10, &cmd->common.cdws, |
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sizeof(__entry->cdw10)); |
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), |
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TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%x, cmd=(%s %s)", |
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__entry->ctrl_id, __print_disk_name(__entry->disk), |
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__entry->qid, __entry->cid, __entry->nsid, |
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__entry->flags, __entry->metadata, |
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show_opcode_name(__entry->qid, __entry->opcode, |
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__entry->fctype), |
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parse_nvme_cmd(__entry->qid, __entry->opcode, |
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__entry->fctype, __entry->cdw10)) |
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); |
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TRACE_EVENT(nvme_complete_rq, |
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TP_PROTO(struct request *req), |
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TP_ARGS(req), |
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TP_STRUCT__entry( |
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__array(char, disk, DISK_NAME_LEN) |
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__field(int, ctrl_id) |
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__field(int, qid) |
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__field(int, cid) |
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__field(u64, result) |
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__field(u8, retries) |
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__field(u8, flags) |
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__field(u16, status) |
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), |
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TP_fast_assign( |
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__entry->ctrl_id = nvme_req(req)->ctrl->instance; |
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__entry->qid = nvme_req_qid(req); |
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__entry->cid = nvme_req(req)->cmd->common.command_id; |
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__entry->result = le64_to_cpu(nvme_req(req)->result.u64); |
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__entry->retries = nvme_req(req)->retries; |
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__entry->flags = nvme_req(req)->flags; |
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__entry->status = nvme_req(req)->status; |
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__assign_disk_name(__entry->disk, req->q->disk); |
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), |
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TP_printk("nvme%d: %sqid=%d, cmdid=%u, res=%#llx, retries=%u, flags=0x%x, status=%#x", |
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__entry->ctrl_id, __print_disk_name(__entry->disk), |
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__entry->qid, __entry->cid, __entry->result, |
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__entry->retries, __entry->flags, __entry->status) |
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); |
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#define aer_name(aer) { aer, #aer } |
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TRACE_EVENT(nvme_async_event, |
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TP_PROTO(struct nvme_ctrl *ctrl, u32 result), |
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TP_ARGS(ctrl, result), |
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TP_STRUCT__entry( |
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__field(int, ctrl_id) |
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__field(u32, result) |
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), |
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TP_fast_assign( |
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__entry->ctrl_id = ctrl->instance; |
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__entry->result = result; |
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), |
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TP_printk("nvme%d: NVME_AEN=%#08x [%s]", |
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__entry->ctrl_id, __entry->result, |
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__print_symbolic(__entry->result, |
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aer_name(NVME_AER_NOTICE_NS_CHANGED), |
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aer_name(NVME_AER_NOTICE_ANA), |
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aer_name(NVME_AER_NOTICE_FW_ACT_STARTING), |
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aer_name(NVME_AER_NOTICE_DISC_CHANGED), |
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aer_name(NVME_AER_ERROR), |
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aer_name(NVME_AER_SMART), |
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aer_name(NVME_AER_CSS), |
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aer_name(NVME_AER_VS)) |
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) |
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); |
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#undef aer_name |
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TRACE_EVENT(nvme_sq, |
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TP_PROTO(struct request *req, __le16 sq_head, int sq_tail), |
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TP_ARGS(req, sq_head, sq_tail), |
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TP_STRUCT__entry( |
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__field(int, ctrl_id) |
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__array(char, disk, DISK_NAME_LEN) |
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__field(int, qid) |
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__field(u16, sq_head) |
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__field(u16, sq_tail) |
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), |
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TP_fast_assign( |
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__entry->ctrl_id = nvme_req(req)->ctrl->instance; |
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__assign_disk_name(__entry->disk, req->q->disk); |
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__entry->qid = nvme_req_qid(req); |
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__entry->sq_head = le16_to_cpu(sq_head); |
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__entry->sq_tail = sq_tail; |
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), |
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TP_printk("nvme%d: %sqid=%d, head=%u, tail=%u", |
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__entry->ctrl_id, __print_disk_name(__entry->disk), |
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__entry->qid, __entry->sq_head, __entry->sq_tail |
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) |
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); |
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#endif /* _TRACE_NVME_H */ |
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#undef TRACE_INCLUDE_PATH |
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#define TRACE_INCLUDE_PATH . |
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#undef TRACE_INCLUDE_FILE |
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#define TRACE_INCLUDE_FILE trace |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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