trace/events/nbd.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #undef TRACE_SYSTEM
0003 #define TRACE_SYSTEM nbd
0004
0005 #if !defined(_TRACE_NBD_H) || defined(TRACE_HEADER_MULTI_READ)
0006 #define _TRACE_NBD_H
0007
0008 #include <linux/tracepoint.h>
0009
0010 DECLARE_EVENT_CLASS(nbd_transport_event,
0011
0012     TP_PROTO(struct request *req, u64 handle),
0013
0014     TP_ARGS(req, handle),
0015
0016     TP_STRUCT__entry(
0017         __field(struct request *, req)
0018         __field(u64, handle)
0019     ),
0020
0021     TP_fast_assign(
0022         __entry->req = req;
0023         __entry->handle = handle;
0024     ),
0025
0026     TP_printk(
0027         "nbd transport event: request %p, handle 0x%016llx",
0028         __entry->req,
0029         __entry->handle
0030     )
0031 );
0032
0033 DEFINE_EVENT(nbd_transport_event, nbd_header_sent,
0034
0035     TP_PROTO(struct request *req, u64 handle),
0036
0037     TP_ARGS(req, handle)
0038 );
0039
0040 DEFINE_EVENT(nbd_transport_event, nbd_payload_sent,
0041
0042     TP_PROTO(struct request *req, u64 handle),
0043
0044     TP_ARGS(req, handle)
0045 );
0046
0047 DEFINE_EVENT(nbd_transport_event, nbd_header_received,
0048
0049     TP_PROTO(struct request *req, u64 handle),
0050
0051     TP_ARGS(req, handle)
0052 );
0053
0054 DEFINE_EVENT(nbd_transport_event, nbd_payload_received,
0055
0056     TP_PROTO(struct request *req, u64 handle),
0057
0058     TP_ARGS(req, handle)
0059 );
0060
0061 DECLARE_EVENT_CLASS(nbd_send_request,
0062
0063     TP_PROTO(struct nbd_request *nbd_request, int index,
0064          struct request *rq),
0065
0066     TP_ARGS(nbd_request, index, rq),
0067
0068     TP_STRUCT__entry(
0069         __field(struct nbd_request *, nbd_request)
0070         __field(u64, dev_index)
0071         __field(struct request *, request)
0072     ),
0073
0074     TP_fast_assign(
0075         __entry->nbd_request = 0;
0076         __entry->dev_index = index;
0077         __entry->request = rq;
0078     ),
0079
0080     TP_printk("nbd%lld: request %p", __entry->dev_index, __entry->request)
0081 );
0082
0083 #ifdef DEFINE_EVENT_WRITABLE
0084 #undef NBD_DEFINE_EVENT
0085 #define NBD_DEFINE_EVENT(template, call, proto, args, size)     \
0086     DEFINE_EVENT_WRITABLE(template, call, PARAMS(proto),        \
0087                   PARAMS(args), size)
0088 #else
0089 #undef NBD_DEFINE_EVENT
0090 #define NBD_DEFINE_EVENT(template, call, proto, args, size)     \
0091     DEFINE_EVENT(template, call, PARAMS(proto), PARAMS(args))
0092 #endif
0093
0094 NBD_DEFINE_EVENT(nbd_send_request, nbd_send_request,
0095
0096     TP_PROTO(struct nbd_request *nbd_request, int index,
0097          struct request *rq),
0098
0099     TP_ARGS(nbd_request, index, rq),
0100
0101     sizeof(struct nbd_request)
0102 );
0103
0104 #endif
0105
0106 /* This part must be outside protection */
0107 #include <trace/define_trace.h>