trace.h 5.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * NVM Express device driver tracepoints
  4. * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
  5. */
  6. #undef TRACE_SYSTEM
  7. #define TRACE_SYSTEM nvme
  8. #if !defined(_TRACE_NVME_H) || defined(TRACE_HEADER_MULTI_READ)
  9. #define _TRACE_NVME_H
  10. #include <linux/nvme.h>
  11. #include <linux/tracepoint.h>
  12. #include <linux/trace_seq.h>
  13. #include "nvme.h"
  14. const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode,
  15. u8 *cdw10);
  16. const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode,
  17. u8 *cdw10);
  18. const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype,
  19. u8 *spc);
  20. #define parse_nvme_cmd(qid, opcode, fctype, cdw10) \
  21. ((opcode) == nvme_fabrics_command ? \
  22. nvme_trace_parse_fabrics_cmd(p, fctype, cdw10) : \
  23. ((qid) ? \
  24. nvme_trace_parse_nvm_cmd(p, opcode, cdw10) : \
  25. nvme_trace_parse_admin_cmd(p, opcode, cdw10)))
  26. const char *nvme_trace_disk_name(struct trace_seq *p, char *name);
  27. #define __print_disk_name(name) \
  28. nvme_trace_disk_name(p, name)
  29. #ifndef TRACE_HEADER_MULTI_READ
  30. static inline void __assign_disk_name(char *name, struct gendisk *disk)
  31. {
  32. if (disk)
  33. memcpy(name, disk->disk_name, DISK_NAME_LEN);
  34. else
  35. memset(name, 0, DISK_NAME_LEN);
  36. }
  37. #endif
  38. TRACE_EVENT(nvme_setup_cmd,
  39. TP_PROTO(struct request *req, struct nvme_command *cmd),
  40. TP_ARGS(req, cmd),
  41. TP_STRUCT__entry(
  42. __array(char, disk, DISK_NAME_LEN)
  43. __field(int, ctrl_id)
  44. __field(int, qid)
  45. __field(u8, opcode)
  46. __field(u8, flags)
  47. __field(u8, fctype)
  48. __field(u16, cid)
  49. __field(u32, nsid)
  50. __field(bool, metadata)
  51. __array(u8, cdw10, 24)
  52. ),
  53. TP_fast_assign(
  54. __entry->ctrl_id = nvme_req(req)->ctrl->instance;
  55. __entry->qid = nvme_req_qid(req);
  56. __entry->opcode = cmd->common.opcode;
  57. __entry->flags = cmd->common.flags;
  58. __entry->cid = cmd->common.command_id;
  59. __entry->nsid = le32_to_cpu(cmd->common.nsid);
  60. __entry->metadata = !!blk_integrity_rq(req);
  61. __entry->fctype = cmd->fabrics.fctype;
  62. __assign_disk_name(__entry->disk, req->rq_disk);
  63. memcpy(__entry->cdw10, &cmd->common.cdw10,
  64. sizeof(__entry->cdw10));
  65. ),
  66. TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%x, cmd=(%s %s)",
  67. __entry->ctrl_id, __print_disk_name(__entry->disk),
  68. __entry->qid, __entry->cid, __entry->nsid,
  69. __entry->flags, __entry->metadata,
  70. show_opcode_name(__entry->qid, __entry->opcode,
  71. __entry->fctype),
  72. parse_nvme_cmd(__entry->qid, __entry->opcode,
  73. __entry->fctype, __entry->cdw10))
  74. );
  75. TRACE_EVENT(nvme_complete_rq,
  76. TP_PROTO(struct request *req),
  77. TP_ARGS(req),
  78. TP_STRUCT__entry(
  79. __array(char, disk, DISK_NAME_LEN)
  80. __field(int, ctrl_id)
  81. __field(int, qid)
  82. __field(int, cid)
  83. __field(u64, result)
  84. __field(u8, retries)
  85. __field(u8, flags)
  86. __field(u16, status)
  87. ),
  88. TP_fast_assign(
  89. __entry->ctrl_id = nvme_req(req)->ctrl->instance;
  90. __entry->qid = nvme_req_qid(req);
  91. __entry->cid = req->tag;
  92. __entry->result = le64_to_cpu(nvme_req(req)->result.u64);
  93. __entry->retries = nvme_req(req)->retries;
  94. __entry->flags = nvme_req(req)->flags;
  95. __entry->status = nvme_req(req)->status;
  96. __assign_disk_name(__entry->disk, req->rq_disk);
  97. ),
  98. TP_printk("nvme%d: %sqid=%d, cmdid=%u, res=%#llx, retries=%u, flags=0x%x, status=%#x",
  99. __entry->ctrl_id, __print_disk_name(__entry->disk),
  100. __entry->qid, __entry->cid, __entry->result,
  101. __entry->retries, __entry->flags, __entry->status)
  102. );
  103. #define aer_name(aer) { aer, #aer }
  104. TRACE_EVENT(nvme_async_event,
  105. TP_PROTO(struct nvme_ctrl *ctrl, u32 result),
  106. TP_ARGS(ctrl, result),
  107. TP_STRUCT__entry(
  108. __field(int, ctrl_id)
  109. __field(u32, result)
  110. ),
  111. TP_fast_assign(
  112. __entry->ctrl_id = ctrl->instance;
  113. __entry->result = result;
  114. ),
  115. TP_printk("nvme%d: NVME_AEN=%#08x [%s]",
  116. __entry->ctrl_id, __entry->result,
  117. __print_symbolic(__entry->result,
  118. aer_name(NVME_AER_NOTICE_NS_CHANGED),
  119. aer_name(NVME_AER_NOTICE_ANA),
  120. aer_name(NVME_AER_NOTICE_FW_ACT_STARTING),
  121. aer_name(NVME_AER_NOTICE_DISC_CHANGED),
  122. aer_name(NVME_AER_ERROR),
  123. aer_name(NVME_AER_SMART),
  124. aer_name(NVME_AER_CSS),
  125. aer_name(NVME_AER_VS))
  126. )
  127. );
  128. #undef aer_name
  129. TRACE_EVENT(nvme_sq,
  130. TP_PROTO(struct request *req, __le16 sq_head, int sq_tail),
  131. TP_ARGS(req, sq_head, sq_tail),
  132. TP_STRUCT__entry(
  133. __field(int, ctrl_id)
  134. __array(char, disk, DISK_NAME_LEN)
  135. __field(int, qid)
  136. __field(u16, sq_head)
  137. __field(u16, sq_tail)
  138. ),
  139. TP_fast_assign(
  140. __entry->ctrl_id = nvme_req(req)->ctrl->instance;
  141. __assign_disk_name(__entry->disk, req->rq_disk);
  142. __entry->qid = nvme_req_qid(req);
  143. __entry->sq_head = le16_to_cpu(sq_head);
  144. __entry->sq_tail = sq_tail;
  145. ),
  146. TP_printk("nvme%d: %sqid=%d, head=%u, tail=%u",
  147. __entry->ctrl_id, __print_disk_name(__entry->disk),
  148. __entry->qid, __entry->sq_head, __entry->sq_tail
  149. )
  150. );
  151. #endif /* _TRACE_NVME_H */
  152. #undef TRACE_INCLUDE_PATH
  153. #define TRACE_INCLUDE_PATH .
  154. #undef TRACE_INCLUDE_FILE
  155. #define TRACE_INCLUDE_FILE trace
  156. /* This part must be outside protection */
  157. #include <trace/define_trace.h>