rtrs/rtrs-clt-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_clt
   9
  10 #if !defined(_TRACE_RTRS_CLT_H) || defined(TRACE_HEADER_MULTI_READ)
  11 #define _TRACE_RTRS_CLT_H
  12
  13 #include <linux/tracepoint.h>
  14
  15 struct rtrs_clt_path;
  16 struct rtrs_clt_sess;
  17
  18 TRACE_DEFINE_ENUM(RTRS_CLT_CONNECTING);
  19 TRACE_DEFINE_ENUM(RTRS_CLT_CONNECTING_ERR);
  20 TRACE_DEFINE_ENUM(RTRS_CLT_RECONNECTING);
  21 TRACE_DEFINE_ENUM(RTRS_CLT_CONNECTED);
  22 TRACE_DEFINE_ENUM(RTRS_CLT_CLOSING);
  23 TRACE_DEFINE_ENUM(RTRS_CLT_CLOSED);
  24 TRACE_DEFINE_ENUM(RTRS_CLT_DEAD);
  25
  26 #define show_rtrs_clt_state(x) \
  27         __print_symbolic(x, \
  28                 { RTRS_CLT_CONNECTING,          "CONNECTING" }, \
  29                 { RTRS_CLT_CONNECTING_ERR,      "CONNECTING_ERR" }, \
  30                 { RTRS_CLT_RECONNECTING,        "RECONNECTING" }, \
  31                 { RTRS_CLT_CONNECTED,           "CONNECTED" }, \
  32                 { RTRS_CLT_CLOSING,             "CLOSING" }, \
  33                 { RTRS_CLT_CLOSED,              "CLOSED" }, \
  34                 { RTRS_CLT_DEAD,                "DEAD" })
  35
  36 DECLARE_EVENT_CLASS(rtrs_clt_conn_class,
  37         TP_PROTO(struct rtrs_clt_path *clt_path),
  38
  39         TP_ARGS(clt_path),
  40
  41         TP_STRUCT__entry(
  42                 __field(int, state)
  43                 __field(int, reconnect_attempts)
  44                 __field(int, max_reconnect_attempts)
  45                 __field(int, fail_cnt)
  46                 __field(int, success_cnt)
  47                 __array(char, sessname, NAME_MAX)
  48         ),
  49
  50         TP_fast_assign(
  51                 struct rtrs_clt_sess *clt = clt_path->clt;
  52
  53                 __entry->state = clt_path->state;
  54                 __entry->reconnect_attempts = clt_path->reconnect_attempts;
  55                 __entry->max_reconnect_attempts = clt->max_reconnect_attempts;
  56                 __entry->fail_cnt = clt_path->stats->reconnects.fail_cnt;
  57                 __entry->success_cnt = clt_path->stats->reconnects.successful_cnt;
  58                 memcpy(__entry->sessname, kobject_name(&clt_path->kobj), NAME_MAX);
  59         ),
  60
  61         TP_printk("RTRS-CLT: sess='%s' state=%s attempts='%d' max-attempts='%d' fail='%d' success='%d'",
  62                    __entry->sessname,
  63                    show_rtrs_clt_state(__entry->state),
  64                    __entry->reconnect_attempts,
  65                    __entry->max_reconnect_attempts,
  66                    __entry->fail_cnt,
  67                    __entry->success_cnt
  68         )
  69 );
  70
  71 #define DEFINE_CLT_CONN_EVENT(name) \
  72 DEFINE_EVENT(rtrs_clt_conn_class, rtrs_##name, \
  73         TP_PROTO(struct rtrs_clt_path *clt_path), \
  74         TP_ARGS(clt_path))
  75
  76 DEFINE_CLT_CONN_EVENT(clt_reconnect_work);
  77 DEFINE_CLT_CONN_EVENT(clt_close_conns);
  78 DEFINE_CLT_CONN_EVENT(rdma_error_recovery);
  79
  80 #endif /* _TRACE_RTRS_CLT_H */
  81
  82 #undef TRACE_INCLUDE_PATH
  83 #define TRACE_INCLUDE_PATH .
  84 #define TRACE_INCLUDE_FILE rtrs-clt-trace
  85 #include <trace/define_trace.h>
  86