LXR linux/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
  10DECLARE_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
  33DEFINE_EVENT(nbd_transport_event, nbd_header_sent,
  34
  35        TP_PROTO(struct request *req, u64 handle),
  36
  37        TP_ARGS(req, handle)
  38);
  39
  40DEFINE_EVENT(nbd_transport_event, nbd_payload_sent,
  41
  42        TP_PROTO(struct request *req, u64 handle),
  43
  44        TP_ARGS(req, handle)
  45);
  46
  47DEFINE_EVENT(nbd_transport_event, nbd_header_received,
  48
  49        TP_PROTO(struct request *req, u64 handle),
  50
  51        TP_ARGS(req, handle)
  52);
  53
  54DEFINE_EVENT(nbd_transport_event, nbd_payload_received,
  55
  56        TP_PROTO(struct request *req, u64 handle),
  57
  58        TP_ARGS(req, handle)
  59);
  60
  61DECLARE_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
  94NBD_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>
 108