rtrs/rtrs-srv-trace.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * RDMA Network Block Driver
   4  *
   5  * Copyright (c) 2022 1&1 IONOS SE. All rights reserved.
   6  */
   7 #undef TRACE_SYSTEM
   8 #define TRACE_SYSTEM rtrs_srv
   9
  10 #if !defined(_TRACE_RTRS_SRV_H) || defined(TRACE_HEADER_MULTI_READ)
  11 #define _TRACE_RTRS_SRV_H
  12
  13 #include <linux/tracepoint.h>
  14
  15 struct rtrs_srv_op;
  16 struct rtrs_srv_con;
  17 struct rtrs_srv_path;
  18
  19 TRACE_DEFINE_ENUM(RTRS_SRV_CONNECTING);
  20 TRACE_DEFINE_ENUM(RTRS_SRV_CONNECTED);
  21 TRACE_DEFINE_ENUM(RTRS_SRV_CLOSING);
  22 TRACE_DEFINE_ENUM(RTRS_SRV_CLOSED);
  23
  24 #define show_rtrs_srv_state(x) \
  25         __print_symbolic(x, \
  26                 { RTRS_SRV_CONNECTING,  "CONNECTING" }, \
  27                 { RTRS_SRV_CONNECTED,   "CONNECTED" }, \
  28                 { RTRS_SRV_CLOSING,     "CLOSING" }, \
  29                 { RTRS_SRV_CLOSED,      "CLOSED" })
  30
  31 TRACE_EVENT(send_io_resp_imm,
  32         TP_PROTO(struct rtrs_srv_op *id,
  33                  bool need_inval,
  34                  bool always_invalidate,
  35                  int errno),
  36
  37         TP_ARGS(id, need_inval, always_invalidate, errno),
  38
  39         TP_STRUCT__entry(
  40                 __field(u8, dir)
  41                 __field(bool, need_inval)
  42                 __field(bool, always_invalidate)
  43                 __field(u32, msg_id)
  44                 __field(int, wr_cnt)
  45                 __field(u32, signal_interval)
  46                 __field(int, state)
  47                 __field(int, errno)
  48                 __array(char, sessname, NAME_MAX)
  49         ),
  50
  51         TP_fast_assign(
  52                 struct rtrs_srv_con *con = id->con;
  53                 struct rtrs_path *s = con->c.path;
  54                 struct rtrs_srv_path *srv_path = to_srv_path(s);
  55
  56                 __entry->dir = id->dir;
  57                 __entry->state = srv_path->state;
  58                 __entry->errno = errno;
  59                 __entry->need_inval = need_inval;
  60                 __entry->always_invalidate = always_invalidate;
  61                 __entry->msg_id = id->msg_id;
  62                 __entry->wr_cnt = atomic_read(&con->c.wr_cnt);
  63                 __entry->signal_interval = s->signal_interval;
  64                 memcpy(__entry->sessname, kobject_name(&srv_path->kobj), NAME_MAX);
  65         ),
  66
  67         TP_printk("sess='%s' state='%s' dir=%s err='%d' inval='%d' glob-inval='%d' msgid='%u' wrcnt='%d' sig-interval='%u'",
  68                    __entry->sessname,
  69                    show_rtrs_srv_state(__entry->state),
  70                    __print_symbolic(__entry->dir,
  71                          { READ,  "READ" },
  72                          { WRITE, "WRITE" }),
  73                    __entry->errno,
  74                    __entry->need_inval,
  75                    __entry->always_invalidate,
  76                    __entry->msg_id,
  77                    __entry->wr_cnt,
  78                    __entry->signal_interval
  79         )
  80 );
  81
  82 #endif /* _TRACE_RTRS_SRV_H */
  83
  84 #undef TRACE_INCLUDE_PATH
  85 #define TRACE_INCLUDE_PATH .
  86 #define TRACE_INCLUDE_FILE rtrs-srv-trace
  87 #include <trace/define_trace.h>
  88