include/trace/events/nbd.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM nbd
   4
   5 #if !defined(_TRACE_NBD_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_NBD_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 DECLARE_EVENT_CLASS(nbd_transport_event,
  11
  12         TP_PROTO(struct request *req, u64 handle),
  13
  14         TP_ARGS(req, handle),
  15
  16         TP_STRUCT__entry(
  17                 __field(struct request *, req)
  18                 __field(u64, handle)
  19         ),
  20
  21         TP_fast_assign(
  22                 __entry->req = req;
  23                 __entry->handle = handle;
  24         ),
  25
  26         TP_printk(
  27                 "nbd transport event: request %p, handle 0x%016llx",
  28                 __entry->req,
  29                 __entry->handle
  30         )
  31 );
  32
  33 DEFINE_EVENT(nbd_transport_event, nbd_header_sent,
  34
  35         TP_PROTO(struct request *req, u64 handle),
  36
  37         TP_ARGS(req, handle)
  38 );
  39
  40 DEFINE_EVENT(nbd_transport_event, nbd_payload_sent,
  41
  42         TP_PROTO(struct request *req, u64 handle),
  43
  44         TP_ARGS(req, handle)
  45 );
  46
  47 DEFINE_EVENT(nbd_transport_event, nbd_header_received,
  48
  49         TP_PROTO(struct request *req, u64 handle),
  50
  51         TP_ARGS(req, handle)
  52 );
  53
  54 DEFINE_EVENT(nbd_transport_event, nbd_payload_received,
  55
  56         TP_PROTO(struct request *req, u64 handle),
  57
  58         TP_ARGS(req, handle)
  59 );
  60
  61 DECLARE_EVENT_CLASS(nbd_send_request,
  62
  63         TP_PROTO(struct nbd_request *nbd_request, int index,
  64                  struct request *rq),
  65
  66         TP_ARGS(nbd_request, index, rq),
  67
  68         TP_STRUCT__entry(
  69                 __field(struct nbd_request *, nbd_request)
  70                 __field(u64, dev_index)
  71                 __field(struct request *, request)
  72         ),
  73
  74         TP_fast_assign(
  75                 __entry->nbd_request = 0;
  76                 __entry->dev_index = index;
  77                 __entry->request = rq;
  78         ),
  79
  80         TP_printk("nbd%lld: request %p", __entry->dev_index, __entry->request)
  81 );
  82
  83 #ifdef DEFINE_EVENT_WRITABLE
  84 #undef NBD_DEFINE_EVENT
  85 #define NBD_DEFINE_EVENT(template, call, proto, args, size)             \
  86         DEFINE_EVENT_WRITABLE(template, call, PARAMS(proto),            \
  87                               PARAMS(args), size)
  88 #else
  89 #undef NBD_DEFINE_EVENT
  90 #define NBD_DEFINE_EVENT(template, call, proto, args, size)             \
  91         DEFINE_EVENT(template, call, PARAMS(proto), PARAMS(args))
  92 #endif
  93
  94 NBD_DEFINE_EVENT(nbd_send_request, nbd_send_request,
  95
  96         TP_PROTO(struct nbd_request *nbd_request, int index,
  97                  struct request *rq),
  98
  99         TP_ARGS(nbd_request, index, rq),
 100
 101         sizeof(struct nbd_request)
 102 );
 103
 104 #endif
 105
 106 /* This part must be outside protection */
 107 #include <trace/define_trace.h>