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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sunrpc

#if !defined(_TRACE_SUNRPC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SUNRPC_H

#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/svc.h>
#include <linux/sunrpc/xprtsock.h>
#include <linux/sunrpc/svc_xprt.h>
#include <net/tcp_states.h>
#include <linux/net.h>
#include <linux/tracepoint.h>

TRACE_DEFINE_ENUM(SOCK_STREAM);
TRACE_DEFINE_ENUM(SOCK_DGRAM);
TRACE_DEFINE_ENUM(SOCK_RAW);
TRACE_DEFINE_ENUM(SOCK_RDM);
TRACE_DEFINE_ENUM(SOCK_SEQPACKET);
TRACE_DEFINE_ENUM(SOCK_DCCP);
TRACE_DEFINE_ENUM(SOCK_PACKET);

#define show_socket_type(type)                    \
    __print_symbolic(type,                    \
        { SOCK_STREAM,        "STREAM" },        \
        { SOCK_DGRAM,        "DGRAM" },        \
        { SOCK_RAW,        "RAW" },        \
        { SOCK_RDM,        "RDM" },        \
        { SOCK_SEQPACKET,    "SEQPACKET" },        \
        { SOCK_DCCP,        "DCCP" },        \
        { SOCK_PACKET,        "PACKET" })

/* This list is known to be incomplete, add new enums as needed. */
TRACE_DEFINE_ENUM(AF_UNSPEC);
TRACE_DEFINE_ENUM(AF_UNIX);
TRACE_DEFINE_ENUM(AF_LOCAL);
TRACE_DEFINE_ENUM(AF_INET);
TRACE_DEFINE_ENUM(AF_INET6);

#define rpc_show_address_family(family)                \
    __print_symbolic(family,                \
        { AF_UNSPEC,        "AF_UNSPEC" },        \
        { AF_UNIX,        "AF_UNIX" },        \
        { AF_LOCAL,        "AF_LOCAL" },        \
        { AF_INET,        "AF_INET" },        \
        { AF_INET6,        "AF_INET6" })

DECLARE_EVENT_CLASS(rpc_xdr_buf_class,
    TP_PROTO(
        const struct rpc_task *task,
        const struct xdr_buf *xdr
    ),

    TP_ARGS(task, xdr),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(const void *, head_base)
        __field(size_t, head_len)
        __field(const void *, tail_base)
        __field(size_t, tail_len)
        __field(unsigned int, page_len)
        __field(unsigned int, msg_len)
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client ?
                     task->tk_client->cl_clid : -1;
        __entry->head_base = xdr->head[0].iov_base;
        __entry->head_len = xdr->head[0].iov_len;
        __entry->tail_base = xdr->tail[0].iov_base;
        __entry->tail_len = xdr->tail[0].iov_len;
        __entry->page_len = xdr->page_len;
        __entry->msg_len = xdr->len;
    ),

    TP_printk("task:%u@%u head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
        __entry->task_id, __entry->client_id,
        __entry->head_base, __entry->head_len, __entry->page_len,
        __entry->tail_base, __entry->tail_len, __entry->msg_len
    )
);

#define DEFINE_RPCXDRBUF_EVENT(name)                    \
        DEFINE_EVENT(rpc_xdr_buf_class,                \
                rpc_xdr_##name,                \
                TP_PROTO(                \
                    const struct rpc_task *task,    \
                    const struct xdr_buf *xdr    \
                ),                    \
                TP_ARGS(task, xdr))

DEFINE_RPCXDRBUF_EVENT(sendto);
DEFINE_RPCXDRBUF_EVENT(recvfrom);
DEFINE_RPCXDRBUF_EVENT(reply_pages);


DECLARE_EVENT_CLASS(rpc_clnt_class,
    TP_PROTO(
        const struct rpc_clnt *clnt
    ),

    TP_ARGS(clnt),

    TP_STRUCT__entry(
        __field(unsigned int, client_id)
    ),

    TP_fast_assign(
        __entry->client_id = clnt->cl_clid;
    ),

    TP_printk("clid=%u", __entry->client_id)
);

#define DEFINE_RPC_CLNT_EVENT(name)                    \
        DEFINE_EVENT(rpc_clnt_class,                \
                rpc_clnt_##name,            \
                TP_PROTO(                \
                    const struct rpc_clnt *clnt    \
                ),                    \
                TP_ARGS(clnt))

DEFINE_RPC_CLNT_EVENT(free);
DEFINE_RPC_CLNT_EVENT(killall);
DEFINE_RPC_CLNT_EVENT(shutdown);
DEFINE_RPC_CLNT_EVENT(release);
DEFINE_RPC_CLNT_EVENT(replace_xprt);
DEFINE_RPC_CLNT_EVENT(replace_xprt_err);

TRACE_EVENT(rpc_clnt_new,
    TP_PROTO(
        const struct rpc_clnt *clnt,
        const struct rpc_xprt *xprt,
        const char *program,
        const char *server
    ),

    TP_ARGS(clnt, xprt, program, server),

    TP_STRUCT__entry(
        __field(unsigned int, client_id)
        __string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
        __string(port, xprt->address_strings[RPC_DISPLAY_PORT])
        __string(program, program)
        __string(server, server)
    ),

    TP_fast_assign(
        __entry->client_id = clnt->cl_clid;
        __assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
        __assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
        __assign_str(program, program)
        __assign_str(server, server)
    ),

    TP_printk("client=%u peer=[%s]:%s program=%s server=%s",
        __entry->client_id, __get_str(addr), __get_str(port),
        __get_str(program), __get_str(server))
);

TRACE_EVENT(rpc_clnt_new_err,
    TP_PROTO(
        const char *program,
        const char *server,
        int error
    ),

    TP_ARGS(program, server, error),

    TP_STRUCT__entry(
        __field(int, error)
        __string(program, program)
        __string(server, server)
    ),

    TP_fast_assign(
        __entry->error = error;
        __assign_str(program, program)
        __assign_str(server, server)
    ),

    TP_printk("program=%s server=%s error=%d",
        __get_str(program), __get_str(server), __entry->error)
);

TRACE_EVENT(rpc_clnt_clone_err,
    TP_PROTO(
        const struct rpc_clnt *clnt,
        int error
    ),

    TP_ARGS(clnt, error),

    TP_STRUCT__entry(
        __field(unsigned int, client_id)
        __field(int, error)
    ),

    TP_fast_assign(
        __entry->client_id = clnt->cl_clid;
        __entry->error = error;
    ),

    TP_printk("client=%u error=%d", __entry->client_id, __entry->error)
);


TRACE_DEFINE_ENUM(RPC_AUTH_OK);
TRACE_DEFINE_ENUM(RPC_AUTH_BADCRED);
TRACE_DEFINE_ENUM(RPC_AUTH_REJECTEDCRED);
TRACE_DEFINE_ENUM(RPC_AUTH_BADVERF);
TRACE_DEFINE_ENUM(RPC_AUTH_REJECTEDVERF);
TRACE_DEFINE_ENUM(RPC_AUTH_TOOWEAK);
TRACE_DEFINE_ENUM(RPCSEC_GSS_CREDPROBLEM);
TRACE_DEFINE_ENUM(RPCSEC_GSS_CTXPROBLEM);

#define rpc_show_auth_stat(status)                    \
    __print_symbolic(status,                    \
        { RPC_AUTH_OK,            "AUTH_OK" },        \
        { RPC_AUTH_BADCRED,        "BADCRED" },        \
        { RPC_AUTH_REJECTEDCRED,    "REJECTEDCRED" },    \
        { RPC_AUTH_BADVERF,        "BADVERF" },        \
        { RPC_AUTH_REJECTEDVERF,    "REJECTEDVERF" },    \
        { RPC_AUTH_TOOWEAK,        "TOOWEAK" },        \
        { RPCSEC_GSS_CREDPROBLEM,    "GSS_CREDPROBLEM" },    \
        { RPCSEC_GSS_CTXPROBLEM,    "GSS_CTXPROBLEM" })    \

DECLARE_EVENT_CLASS(rpc_task_status,

    TP_PROTO(const struct rpc_task *task),

    TP_ARGS(task),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(int, status)
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client->cl_clid;
        __entry->status = task->tk_status;
    ),

    TP_printk("task:%u@%u status=%d",
        __entry->task_id, __entry->client_id,
        __entry->status)
);
#define DEFINE_RPC_STATUS_EVENT(name) \
    DEFINE_EVENT(rpc_task_status, rpc_##name##_status, \
            TP_PROTO( \
                const struct rpc_task *task \
            ), \
            TP_ARGS(task))

DEFINE_RPC_STATUS_EVENT(call);
DEFINE_RPC_STATUS_EVENT(connect);
DEFINE_RPC_STATUS_EVENT(timeout);
DEFINE_RPC_STATUS_EVENT(retry_refresh);
DEFINE_RPC_STATUS_EVENT(refresh);

TRACE_EVENT(rpc_request,
    TP_PROTO(const struct rpc_task *task),

    TP_ARGS(task),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(int, version)
        __field(bool, async)
        __string(progname, task->tk_client->cl_program->name)
        __string(procname, rpc_proc_name(task))
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client->cl_clid;
        __entry->version = task->tk_client->cl_vers;
        __entry->async = RPC_IS_ASYNC(task);
        __assign_str(progname, task->tk_client->cl_program->name)
        __assign_str(procname, rpc_proc_name(task))
    ),

    TP_printk("task:%u@%u %sv%d %s (%ssync)",
        __entry->task_id, __entry->client_id,
        __get_str(progname), __entry->version,
        __get_str(procname), __entry->async ? "a": ""
        )
);

TRACE_DEFINE_ENUM(RPC_TASK_ASYNC);
TRACE_DEFINE_ENUM(RPC_TASK_SWAPPER);
TRACE_DEFINE_ENUM(RPC_TASK_NULLCREDS);
TRACE_DEFINE_ENUM(RPC_CALL_MAJORSEEN);
TRACE_DEFINE_ENUM(RPC_TASK_ROOTCREDS);
TRACE_DEFINE_ENUM(RPC_TASK_DYNAMIC);
TRACE_DEFINE_ENUM(RPC_TASK_NO_ROUND_ROBIN);
TRACE_DEFINE_ENUM(RPC_TASK_SOFT);
TRACE_DEFINE_ENUM(RPC_TASK_SOFTCONN);
TRACE_DEFINE_ENUM(RPC_TASK_SENT);
TRACE_DEFINE_ENUM(RPC_TASK_TIMEOUT);
TRACE_DEFINE_ENUM(RPC_TASK_NOCONNECT);
TRACE_DEFINE_ENUM(RPC_TASK_NO_RETRANS_TIMEOUT);
TRACE_DEFINE_ENUM(RPC_TASK_CRED_NOREF);

#define rpc_show_task_flags(flags)                    \
    __print_flags(flags, "|",                    \
        { RPC_TASK_ASYNC, "ASYNC" },                \
        { RPC_TASK_SWAPPER, "SWAPPER" },            \
        { RPC_TASK_NULLCREDS, "NULLCREDS" },            \
        { RPC_CALL_MAJORSEEN, "MAJORSEEN" },            \
        { RPC_TASK_ROOTCREDS, "ROOTCREDS" },            \
        { RPC_TASK_DYNAMIC, "DYNAMIC" },            \
        { RPC_TASK_NO_ROUND_ROBIN, "NO_ROUND_ROBIN" },        \
        { RPC_TASK_SOFT, "SOFT" },                \
        { RPC_TASK_SOFTCONN, "SOFTCONN" },            \
        { RPC_TASK_SENT, "SENT" },                \
        { RPC_TASK_TIMEOUT, "TIMEOUT" },            \
        { RPC_TASK_NOCONNECT, "NOCONNECT" },            \
        { RPC_TASK_NO_RETRANS_TIMEOUT, "NORTO" },        \
        { RPC_TASK_CRED_NOREF, "CRED_NOREF" })

TRACE_DEFINE_ENUM(RPC_TASK_RUNNING);
TRACE_DEFINE_ENUM(RPC_TASK_QUEUED);
TRACE_DEFINE_ENUM(RPC_TASK_ACTIVE);
TRACE_DEFINE_ENUM(RPC_TASK_NEED_XMIT);
TRACE_DEFINE_ENUM(RPC_TASK_NEED_RECV);
TRACE_DEFINE_ENUM(RPC_TASK_MSG_PIN_WAIT);
TRACE_DEFINE_ENUM(RPC_TASK_SIGNALLED);

#define rpc_show_runstate(flags)                    \
    __print_flags(flags, "|",                    \
        { (1UL << RPC_TASK_RUNNING), "RUNNING" },        \
        { (1UL << RPC_TASK_QUEUED), "QUEUED" },            \
        { (1UL << RPC_TASK_ACTIVE), "ACTIVE" },            \
        { (1UL << RPC_TASK_NEED_XMIT), "NEED_XMIT" },        \
        { (1UL << RPC_TASK_NEED_RECV), "NEED_RECV" },        \
        { (1UL << RPC_TASK_MSG_PIN_WAIT), "MSG_PIN_WAIT" },    \
        { (1UL << RPC_TASK_SIGNALLED), "SIGNALLED" })

DECLARE_EVENT_CLASS(rpc_task_running,

    TP_PROTO(const struct rpc_task *task, const void *action),

    TP_ARGS(task, action),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(const void *, action)
        __field(unsigned long, runstate)
        __field(int, status)
        __field(unsigned short, flags)
        ),

    TP_fast_assign(
        __entry->client_id = task->tk_client ?
                     task->tk_client->cl_clid : -1;
        __entry->task_id = task->tk_pid;
        __entry->action = action;
        __entry->runstate = task->tk_runstate;
        __entry->status = task->tk_status;
        __entry->flags = task->tk_flags;
        ),

    TP_printk("task:%u@%d flags=%s runstate=%s status=%d action=%ps",
        __entry->task_id, __entry->client_id,
        rpc_show_task_flags(__entry->flags),
        rpc_show_runstate(__entry->runstate),
        __entry->status,
        __entry->action
        )
);
#define DEFINE_RPC_RUNNING_EVENT(name) \
    DEFINE_EVENT(rpc_task_running, rpc_task_##name, \
            TP_PROTO( \
                const struct rpc_task *task, \
                const void *action \
            ), \
            TP_ARGS(task, action))

DEFINE_RPC_RUNNING_EVENT(begin);
DEFINE_RPC_RUNNING_EVENT(run_action);
DEFINE_RPC_RUNNING_EVENT(sync_sleep);
DEFINE_RPC_RUNNING_EVENT(sync_wake);
DEFINE_RPC_RUNNING_EVENT(complete);
DEFINE_RPC_RUNNING_EVENT(timeout);
DEFINE_RPC_RUNNING_EVENT(signalled);
DEFINE_RPC_RUNNING_EVENT(end);

DECLARE_EVENT_CLASS(rpc_task_queued,

    TP_PROTO(const struct rpc_task *task, const struct rpc_wait_queue *q),

    TP_ARGS(task, q),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(unsigned long, timeout)
        __field(unsigned long, runstate)
        __field(int, status)
        __field(unsigned short, flags)
        __string(q_name, rpc_qname(q))
        ),

    TP_fast_assign(
        __entry->client_id = task->tk_client ?
                     task->tk_client->cl_clid : -1;
        __entry->task_id = task->tk_pid;
        __entry->timeout = rpc_task_timeout(task);
        __entry->runstate = task->tk_runstate;
        __entry->status = task->tk_status;
        __entry->flags = task->tk_flags;
        __assign_str(q_name, rpc_qname(q));
        ),

    TP_printk("task:%u@%d flags=%s runstate=%s status=%d timeout=%lu queue=%s",
        __entry->task_id, __entry->client_id,
        rpc_show_task_flags(__entry->flags),
        rpc_show_runstate(__entry->runstate),
        __entry->status,
        __entry->timeout,
        __get_str(q_name)
        )
);
#define DEFINE_RPC_QUEUED_EVENT(name) \
    DEFINE_EVENT(rpc_task_queued, rpc_task_##name, \
            TP_PROTO( \
                const struct rpc_task *task, \
                const struct rpc_wait_queue *q \
            ), \
            TP_ARGS(task, q))

DEFINE_RPC_QUEUED_EVENT(sleep);
DEFINE_RPC_QUEUED_EVENT(wakeup);

DECLARE_EVENT_CLASS(rpc_failure,

    TP_PROTO(const struct rpc_task *task),

    TP_ARGS(task),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client->cl_clid;
    ),

    TP_printk("task:%u@%u",
        __entry->task_id, __entry->client_id)
);

#define DEFINE_RPC_FAILURE(name)                    \
    DEFINE_EVENT(rpc_failure, rpc_bad_##name,            \
            TP_PROTO(                    \
                const struct rpc_task *task        \
            ),                        \
            TP_ARGS(task))

DEFINE_RPC_FAILURE(callhdr);
DEFINE_RPC_FAILURE(verifier);

DECLARE_EVENT_CLASS(rpc_reply_event,

    TP_PROTO(
        const struct rpc_task *task
    ),

    TP_ARGS(task),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(u32, xid)
        __string(progname, task->tk_client->cl_program->name)
        __field(u32, version)
        __string(procname, rpc_proc_name(task))
        __string(servername, task->tk_xprt->servername)
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client->cl_clid;
        __entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
        __assign_str(progname, task->tk_client->cl_program->name)
        __entry->version = task->tk_client->cl_vers;
        __assign_str(procname, rpc_proc_name(task))
        __assign_str(servername, task->tk_xprt->servername)
    ),

    TP_printk("task:%u@%d server=%s xid=0x%08x %sv%d %s",
        __entry->task_id, __entry->client_id, __get_str(servername),
        __entry->xid, __get_str(progname), __entry->version,
        __get_str(procname))
)

#define DEFINE_RPC_REPLY_EVENT(name)                    \
    DEFINE_EVENT(rpc_reply_event, rpc__##name,            \
            TP_PROTO(                    \
                const struct rpc_task *task        \
            ),                        \
            TP_ARGS(task))

DEFINE_RPC_REPLY_EVENT(prog_unavail);
DEFINE_RPC_REPLY_EVENT(prog_mismatch);
DEFINE_RPC_REPLY_EVENT(proc_unavail);
DEFINE_RPC_REPLY_EVENT(garbage_args);
DEFINE_RPC_REPLY_EVENT(unparsable);
DEFINE_RPC_REPLY_EVENT(mismatch);
DEFINE_RPC_REPLY_EVENT(stale_creds);
DEFINE_RPC_REPLY_EVENT(bad_creds);
DEFINE_RPC_REPLY_EVENT(auth_tooweak);

#define DEFINE_RPCB_ERROR_EVENT(name)                    \
    DEFINE_EVENT(rpc_reply_event, rpcb_##name##_err,        \
            TP_PROTO(                    \
                const struct rpc_task *task        \
            ),                        \
            TP_ARGS(task))

DEFINE_RPCB_ERROR_EVENT(prog_unavail);
DEFINE_RPCB_ERROR_EVENT(timeout);
DEFINE_RPCB_ERROR_EVENT(bind_version);
DEFINE_RPCB_ERROR_EVENT(unreachable);
DEFINE_RPCB_ERROR_EVENT(unrecognized);

TRACE_EVENT(rpc_buf_alloc,
    TP_PROTO(
        const struct rpc_task *task,
        int status
    ),

    TP_ARGS(task, status),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(size_t, callsize)
        __field(size_t, recvsize)
        __field(int, status)
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client->cl_clid;
        __entry->callsize = task->tk_rqstp->rq_callsize;
        __entry->recvsize = task->tk_rqstp->rq_rcvsize;
        __entry->status = status;
    ),

    TP_printk("task:%u@%u callsize=%zu recvsize=%zu status=%d",
        __entry->task_id, __entry->client_id,
        __entry->callsize, __entry->recvsize, __entry->status
    )
);

TRACE_EVENT(rpc_call_rpcerror,
    TP_PROTO(
        const struct rpc_task *task,
        int tk_status,
        int rpc_status
    ),

    TP_ARGS(task, tk_status, rpc_status),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(int, tk_status)
        __field(int, rpc_status)
    ),

    TP_fast_assign(
        __entry->client_id = task->tk_client->cl_clid;
        __entry->task_id = task->tk_pid;
        __entry->tk_status = tk_status;
        __entry->rpc_status = rpc_status;
    ),

    TP_printk("task:%u@%u tk_status=%d rpc_status=%d",
        __entry->task_id, __entry->client_id,
        __entry->tk_status, __entry->rpc_status)
);

TRACE_EVENT(rpc_stats_latency,

    TP_PROTO(
        const struct rpc_task *task,
        ktime_t backlog,
        ktime_t rtt,
        ktime_t execute
    ),

    TP_ARGS(task, backlog, rtt, execute),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(u32, xid)
        __field(int, version)
        __string(progname, task->tk_client->cl_program->name)
        __string(procname, rpc_proc_name(task))
        __field(unsigned long, backlog)
        __field(unsigned long, rtt)
        __field(unsigned long, execute)
    ),

    TP_fast_assign(
        __entry->client_id = task->tk_client->cl_clid;
        __entry->task_id = task->tk_pid;
        __entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
        __entry->version = task->tk_client->cl_vers;
        __assign_str(progname, task->tk_client->cl_program->name)
        __assign_str(procname, rpc_proc_name(task))
        __entry->backlog = ktime_to_us(backlog);
        __entry->rtt = ktime_to_us(rtt);
        __entry->execute = ktime_to_us(execute);
    ),

    TP_printk("task:%u@%d xid=0x%08x %sv%d %s backlog=%lu rtt=%lu execute=%lu",
        __entry->task_id, __entry->client_id, __entry->xid,
        __get_str(progname), __entry->version, __get_str(procname),
        __entry->backlog, __entry->rtt, __entry->execute)
);

TRACE_EVENT(rpc_xdr_overflow,
    TP_PROTO(
        const struct xdr_stream *xdr,
        size_t requested
    ),

    TP_ARGS(xdr, requested),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(int, version)
        __field(size_t, requested)
        __field(const void *, end)
        __field(const void *, p)
        __field(const void *, head_base)
        __field(size_t, head_len)
        __field(const void *, tail_base)
        __field(size_t, tail_len)
        __field(unsigned int, page_len)
        __field(unsigned int, len)
        __string(progname, xdr->rqst ?
             xdr->rqst->rq_task->tk_client->cl_program->name : "unknown")
        __string(procedure, xdr->rqst ?
             xdr->rqst->rq_task->tk_msg.rpc_proc->p_name : "unknown")
    ),

    TP_fast_assign(
        if (xdr->rqst) {
            const struct rpc_task *task = xdr->rqst->rq_task;

            __entry->task_id = task->tk_pid;
            __entry->client_id = task->tk_client->cl_clid;
            __assign_str(progname,
                     task->tk_client->cl_program->name)
            __entry->version = task->tk_client->cl_vers;
            __assign_str(procedure, task->tk_msg.rpc_proc->p_name)
        } else {
            __entry->task_id = 0;
            __entry->client_id = 0;
            __assign_str(progname, "unknown")
            __entry->version = 0;
            __assign_str(procedure, "unknown")
        }
        __entry->requested = requested;
        __entry->end = xdr->end;
        __entry->p = xdr->p;
        __entry->head_base = xdr->buf->head[0].iov_base,
        __entry->head_len = xdr->buf->head[0].iov_len,
        __entry->page_len = xdr->buf->page_len,
        __entry->tail_base = xdr->buf->tail[0].iov_base,
        __entry->tail_len = xdr->buf->tail[0].iov_len,
        __entry->len = xdr->buf->len;
    ),

    TP_printk(
        "task:%u@%u %sv%d %s requested=%zu p=%p end=%p xdr=[%p,%zu]/%u/[%p,%zu]/%u\n",
        __entry->task_id, __entry->client_id,
        __get_str(progname), __entry->version, __get_str(procedure),
        __entry->requested, __entry->p, __entry->end,
        __entry->head_base, __entry->head_len,
        __entry->page_len,
        __entry->tail_base, __entry->tail_len,
        __entry->len
    )
);

TRACE_EVENT(rpc_xdr_alignment,
    TP_PROTO(
        const struct xdr_stream *xdr,
        size_t offset,
        unsigned int copied
    ),

    TP_ARGS(xdr, offset, copied),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(int, version)
        __field(size_t, offset)
        __field(unsigned int, copied)
        __field(const void *, head_base)
        __field(size_t, head_len)
        __field(const void *, tail_base)
        __field(size_t, tail_len)
        __field(unsigned int, page_len)
        __field(unsigned int, len)
        __string(progname,
             xdr->rqst->rq_task->tk_client->cl_program->name)
        __string(procedure,
             xdr->rqst->rq_task->tk_msg.rpc_proc->p_name)
    ),

    TP_fast_assign(
        const struct rpc_task *task = xdr->rqst->rq_task;

        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client->cl_clid;
        __assign_str(progname,
                 task->tk_client->cl_program->name)
        __entry->version = task->tk_client->cl_vers;
        __assign_str(procedure, task->tk_msg.rpc_proc->p_name)

        __entry->offset = offset;
        __entry->copied = copied;
        __entry->head_base = xdr->buf->head[0].iov_base,
        __entry->head_len = xdr->buf->head[0].iov_len,
        __entry->page_len = xdr->buf->page_len,
        __entry->tail_base = xdr->buf->tail[0].iov_base,
        __entry->tail_len = xdr->buf->tail[0].iov_len,
        __entry->len = xdr->buf->len;
    ),

    TP_printk(
        "task:%u@%u %sv%d %s offset=%zu copied=%u xdr=[%p,%zu]/%u/[%p,%zu]/%u\n",
        __entry->task_id, __entry->client_id,
        __get_str(progname), __entry->version, __get_str(procedure),
        __entry->offset, __entry->copied,
        __entry->head_base, __entry->head_len,
        __entry->page_len,
        __entry->tail_base, __entry->tail_len,
        __entry->len
    )
);

/*
 * First define the enums in the below macros to be exported to userspace
 * via TRACE_DEFINE_ENUM().
 */
#undef EM
#undef EMe
#define EM(a, b)    TRACE_DEFINE_ENUM(a);
#define EMe(a, b)    TRACE_DEFINE_ENUM(a);

#define RPC_SHOW_SOCKET                \
    EM( SS_FREE, "FREE" )            \
    EM( SS_UNCONNECTED, "UNCONNECTED" )    \
    EM( SS_CONNECTING, "CONNECTING" )    \
    EM( SS_CONNECTED, "CONNECTED" )        \
    EMe( SS_DISCONNECTING, "DISCONNECTING" )

#define rpc_show_socket_state(state) \
    __print_symbolic(state, RPC_SHOW_SOCKET)

RPC_SHOW_SOCKET

#define RPC_SHOW_SOCK                \
    EM( TCP_ESTABLISHED, "ESTABLISHED" )    \
    EM( TCP_SYN_SENT, "SYN_SENT" )        \
    EM( TCP_SYN_RECV, "SYN_RECV" )        \
    EM( TCP_FIN_WAIT1, "FIN_WAIT1" )    \
    EM( TCP_FIN_WAIT2, "FIN_WAIT2" )    \
    EM( TCP_TIME_WAIT, "TIME_WAIT" )    \
    EM( TCP_CLOSE, "CLOSE" )        \
    EM( TCP_CLOSE_WAIT, "CLOSE_WAIT" )    \
    EM( TCP_LAST_ACK, "LAST_ACK" )        \
    EM( TCP_LISTEN, "LISTEN" )        \
    EMe( TCP_CLOSING, "CLOSING" )

#define rpc_show_sock_state(state) \
    __print_symbolic(state, RPC_SHOW_SOCK)

RPC_SHOW_SOCK

/*
 * Now redefine the EM() and EMe() macros to map the enums to the strings
 * that will be printed in the output.
 */
#undef EM
#undef EMe
#define EM(a, b)    {a, b},
#define EMe(a, b)    {a, b}

DECLARE_EVENT_CLASS(xs_socket_event,

        TP_PROTO(
            struct rpc_xprt *xprt,
            struct socket *socket
        ),

        TP_ARGS(xprt, socket),

        TP_STRUCT__entry(
            __field(unsigned int, socket_state)
            __field(unsigned int, sock_state)
            __field(unsigned long long, ino)
            __string(dstaddr,
                xprt->address_strings[RPC_DISPLAY_ADDR])
            __string(dstport,
                xprt->address_strings[RPC_DISPLAY_PORT])
        ),

        TP_fast_assign(
            struct inode *inode = SOCK_INODE(socket);
            __entry->socket_state = socket->state;
            __entry->sock_state = socket->sk->sk_state;
            __entry->ino = (unsigned long long)inode->i_ino;
            __assign_str(dstaddr,
                xprt->address_strings[RPC_DISPLAY_ADDR]);
            __assign_str(dstport,
                xprt->address_strings[RPC_DISPLAY_PORT]);
        ),

        TP_printk(
            "socket:[%llu] dstaddr=%s/%s "
            "state=%u (%s) sk_state=%u (%s)",
            __entry->ino, __get_str(dstaddr), __get_str(dstport),
            __entry->socket_state,
            rpc_show_socket_state(__entry->socket_state),
            __entry->sock_state,
            rpc_show_sock_state(__entry->sock_state)
        )
);
#define DEFINE_RPC_SOCKET_EVENT(name) \
    DEFINE_EVENT(xs_socket_event, name, \
            TP_PROTO( \
                struct rpc_xprt *xprt, \
                struct socket *socket \
            ), \
            TP_ARGS(xprt, socket))

DECLARE_EVENT_CLASS(xs_socket_event_done,

        TP_PROTO(
            struct rpc_xprt *xprt,
            struct socket *socket,
            int error
        ),

        TP_ARGS(xprt, socket, error),

        TP_STRUCT__entry(
            __field(int, error)
            __field(unsigned int, socket_state)
            __field(unsigned int, sock_state)
            __field(unsigned long long, ino)
            __string(dstaddr,
                xprt->address_strings[RPC_DISPLAY_ADDR])
            __string(dstport,
                xprt->address_strings[RPC_DISPLAY_PORT])
        ),

        TP_fast_assign(
            struct inode *inode = SOCK_INODE(socket);
            __entry->socket_state = socket->state;
            __entry->sock_state = socket->sk->sk_state;
            __entry->ino = (unsigned long long)inode->i_ino;
            __entry->error = error;
            __assign_str(dstaddr,
                xprt->address_strings[RPC_DISPLAY_ADDR]);
            __assign_str(dstport,
                xprt->address_strings[RPC_DISPLAY_PORT]);
        ),

        TP_printk(
            "error=%d socket:[%llu] dstaddr=%s/%s "
            "state=%u (%s) sk_state=%u (%s)",
            __entry->error,
            __entry->ino, __get_str(dstaddr), __get_str(dstport),
            __entry->socket_state,
            rpc_show_socket_state(__entry->socket_state),
            __entry->sock_state,
            rpc_show_sock_state(__entry->sock_state)
        )
);
#define DEFINE_RPC_SOCKET_EVENT_DONE(name) \
    DEFINE_EVENT(xs_socket_event_done, name, \
            TP_PROTO( \
                struct rpc_xprt *xprt, \
                struct socket *socket, \
                int error \
            ), \
            TP_ARGS(xprt, socket, error))

DEFINE_RPC_SOCKET_EVENT(rpc_socket_state_change);
DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_connect);
DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_error);
DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_reset_connection);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_close);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_shutdown);

TRACE_EVENT(rpc_socket_nospace,
    TP_PROTO(
        const struct rpc_rqst *rqst,
        const struct sock_xprt *transport
    ),

    TP_ARGS(rqst, transport),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(unsigned int, total)
        __field(unsigned int, remaining)
    ),

    TP_fast_assign(
        __entry->task_id = rqst->rq_task->tk_pid;
        __entry->client_id = rqst->rq_task->tk_client->cl_clid;
        __entry->total = rqst->rq_slen;
        __entry->remaining = rqst->rq_slen - transport->xmit.offset;
    ),

    TP_printk("task:%u@%u total=%u remaining=%u",
        __entry->task_id, __entry->client_id,
        __entry->total, __entry->remaining
    )
);

TRACE_DEFINE_ENUM(XPRT_LOCKED);
TRACE_DEFINE_ENUM(XPRT_CONNECTED);
TRACE_DEFINE_ENUM(XPRT_CONNECTING);
TRACE_DEFINE_ENUM(XPRT_CLOSE_WAIT);
TRACE_DEFINE_ENUM(XPRT_BOUND);
TRACE_DEFINE_ENUM(XPRT_BINDING);
TRACE_DEFINE_ENUM(XPRT_CLOSING);
TRACE_DEFINE_ENUM(XPRT_CONGESTED);
TRACE_DEFINE_ENUM(XPRT_CWND_WAIT);
TRACE_DEFINE_ENUM(XPRT_WRITE_SPACE);

#define rpc_show_xprt_state(x)                        \
    __print_flags(x, "|",                        \
        { (1UL << XPRT_LOCKED),        "LOCKED"},        \
        { (1UL << XPRT_CONNECTED),    "CONNECTED"},        \
        { (1UL << XPRT_CONNECTING),    "CONNECTING"},        \
        { (1UL << XPRT_CLOSE_WAIT),    "CLOSE_WAIT"},        \
        { (1UL << XPRT_BOUND),        "BOUND"},        \
        { (1UL << XPRT_BINDING),    "BINDING"},        \
        { (1UL << XPRT_CLOSING),    "CLOSING"},        \
        { (1UL << XPRT_CONGESTED),    "CONGESTED"},        \
        { (1UL << XPRT_CWND_WAIT),    "CWND_WAIT"},        \
        { (1UL << XPRT_WRITE_SPACE),    "WRITE_SPACE"})

DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
    TP_PROTO(
        const struct rpc_xprt *xprt
    ),

    TP_ARGS(xprt),

    TP_STRUCT__entry(
        __field(unsigned long, state)
        __string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
        __string(port, xprt->address_strings[RPC_DISPLAY_PORT])
    ),

    TP_fast_assign(
        __entry->state = xprt->state;
        __assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
        __assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
    ),

    TP_printk("peer=[%s]:%s state=%s",
        __get_str(addr), __get_str(port),
        rpc_show_xprt_state(__entry->state))
);

#define DEFINE_RPC_XPRT_LIFETIME_EVENT(name) \
    DEFINE_EVENT(rpc_xprt_lifetime_class, \
            xprt_##name, \
            TP_PROTO( \
                const struct rpc_xprt *xprt \
            ), \
            TP_ARGS(xprt))

DEFINE_RPC_XPRT_LIFETIME_EVENT(create);
DEFINE_RPC_XPRT_LIFETIME_EVENT(connect);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_auto);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_done);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_force);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_cleanup);
DEFINE_RPC_XPRT_LIFETIME_EVENT(destroy);

DECLARE_EVENT_CLASS(rpc_xprt_event,
    TP_PROTO(
        const struct rpc_xprt *xprt,
        __be32 xid,
        int status
    ),

    TP_ARGS(xprt, xid, status),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(int, status)
        __string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
        __string(port, xprt->address_strings[RPC_DISPLAY_PORT])
    ),

    TP_fast_assign(
        __entry->xid = be32_to_cpu(xid);
        __entry->status = status;
        __assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
        __assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
    ),

    TP_printk("peer=[%s]:%s xid=0x%08x status=%d", __get_str(addr),
            __get_str(port), __entry->xid,
            __entry->status)
);
#define DEFINE_RPC_XPRT_EVENT(name) \
    DEFINE_EVENT(rpc_xprt_event, xprt_##name, \
            TP_PROTO( \
                const struct rpc_xprt *xprt, \
                __be32 xid, \
                int status \
            ), \
            TP_ARGS(xprt, xid, status))

DEFINE_RPC_XPRT_EVENT(timer);
DEFINE_RPC_XPRT_EVENT(lookup_rqst);

TRACE_EVENT(xprt_transmit,
    TP_PROTO(
        const struct rpc_rqst *rqst,
        int status
    ),

    TP_ARGS(rqst, status),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(u32, xid)
        __field(u32, seqno)
        __field(int, status)
    ),

    TP_fast_assign(
        __entry->task_id = rqst->rq_task->tk_pid;
        __entry->client_id = rqst->rq_task->tk_client ?
            rqst->rq_task->tk_client->cl_clid : -1;
        __entry->xid = be32_to_cpu(rqst->rq_xid);
        __entry->seqno = rqst->rq_seqno;
        __entry->status = status;
    ),

    TP_printk(
        "task:%u@%u xid=0x%08x seqno=%u status=%d",
        __entry->task_id, __entry->client_id, __entry->xid,
        __entry->seqno, __entry->status)
);

TRACE_EVENT(xprt_retransmit,
    TP_PROTO(
        const struct rpc_rqst *rqst
    ),

    TP_ARGS(rqst),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(u32, xid)
        __field(int, ntrans)
        __field(int, version)
        __string(progname,
             rqst->rq_task->tk_client->cl_program->name)
        __string(procedure,
             rqst->rq_task->tk_msg.rpc_proc->p_name)
    ),

    TP_fast_assign(
        struct rpc_task *task = rqst->rq_task;

        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client ?
            task->tk_client->cl_clid : -1;
        __entry->xid = be32_to_cpu(rqst->rq_xid);
        __entry->ntrans = rqst->rq_ntrans;
        __assign_str(progname,
                 task->tk_client->cl_program->name)
        __entry->version = task->tk_client->cl_vers;
        __assign_str(procedure, task->tk_msg.rpc_proc->p_name)
    ),

    TP_printk(
        "task:%u@%u xid=0x%08x %sv%d %s ntrans=%d",
        __entry->task_id, __entry->client_id, __entry->xid,
        __get_str(progname), __entry->version, __get_str(procedure),
        __entry->ntrans)
);

TRACE_EVENT(xprt_ping,
    TP_PROTO(const struct rpc_xprt *xprt, int status),

    TP_ARGS(xprt, status),

    TP_STRUCT__entry(
        __field(int, status)
        __string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
        __string(port, xprt->address_strings[RPC_DISPLAY_PORT])
    ),

    TP_fast_assign(
        __entry->status = status;
        __assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
        __assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
    ),

    TP_printk("peer=[%s]:%s status=%d",
            __get_str(addr), __get_str(port), __entry->status)
);

DECLARE_EVENT_CLASS(xprt_writelock_event,
    TP_PROTO(
        const struct rpc_xprt *xprt, const struct rpc_task *task
    ),

    TP_ARGS(xprt, task),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(unsigned int, snd_task_id)
    ),

    TP_fast_assign(
        if (task) {
            __entry->task_id = task->tk_pid;
            __entry->client_id = task->tk_client ?
                         task->tk_client->cl_clid : -1;
        } else {
            __entry->task_id = -1;
            __entry->client_id = -1;
        }
        __entry->snd_task_id = xprt->snd_task ?
                    xprt->snd_task->tk_pid : -1;
    ),

    TP_printk("task:%u@%u snd_task:%u",
            __entry->task_id, __entry->client_id,
            __entry->snd_task_id)
);

#define DEFINE_WRITELOCK_EVENT(name) \
    DEFINE_EVENT(xprt_writelock_event, xprt_##name, \
            TP_PROTO( \
                const struct rpc_xprt *xprt, \
                const struct rpc_task *task \
            ), \
            TP_ARGS(xprt, task))

DEFINE_WRITELOCK_EVENT(reserve_xprt);
DEFINE_WRITELOCK_EVENT(release_xprt);

DECLARE_EVENT_CLASS(xprt_cong_event,
    TP_PROTO(
        const struct rpc_xprt *xprt, const struct rpc_task *task
    ),

    TP_ARGS(xprt, task),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(unsigned int, snd_task_id)
        __field(unsigned long, cong)
        __field(unsigned long, cwnd)
        __field(bool, wait)
    ),

    TP_fast_assign(
        if (task) {
            __entry->task_id = task->tk_pid;
            __entry->client_id = task->tk_client ?
                         task->tk_client->cl_clid : -1;
        } else {
            __entry->task_id = -1;
            __entry->client_id = -1;
        }
        __entry->snd_task_id = xprt->snd_task ?
                    xprt->snd_task->tk_pid : -1;
        __entry->cong = xprt->cong;
        __entry->cwnd = xprt->cwnd;
        __entry->wait = test_bit(XPRT_CWND_WAIT, &xprt->state);
    ),

    TP_printk("task:%u@%u snd_task:%u cong=%lu cwnd=%lu%s",
            __entry->task_id, __entry->client_id,
            __entry->snd_task_id, __entry->cong, __entry->cwnd,
            __entry->wait ? " (wait)" : "")
);

#define DEFINE_CONG_EVENT(name) \
    DEFINE_EVENT(xprt_cong_event, xprt_##name, \
            TP_PROTO( \
                const struct rpc_xprt *xprt, \
                const struct rpc_task *task \
            ), \
            TP_ARGS(xprt, task))

DEFINE_CONG_EVENT(reserve_cong);
DEFINE_CONG_EVENT(release_cong);
DEFINE_CONG_EVENT(get_cong);
DEFINE_CONG_EVENT(put_cong);

TRACE_EVENT(xprt_reserve,
    TP_PROTO(
        const struct rpc_rqst *rqst
    ),

    TP_ARGS(rqst),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(u32, xid)
    ),

    TP_fast_assign(
        __entry->task_id = rqst->rq_task->tk_pid;
        __entry->client_id = rqst->rq_task->tk_client->cl_clid;
        __entry->xid = be32_to_cpu(rqst->rq_xid);
    ),

    TP_printk("task:%u@%u xid=0x%08x",
        __entry->task_id, __entry->client_id, __entry->xid
    )
);

TRACE_EVENT(xs_stream_read_data,
    TP_PROTO(struct rpc_xprt *xprt, ssize_t err, size_t total),

    TP_ARGS(xprt, err, total),

    TP_STRUCT__entry(
        __field(ssize_t, err)
        __field(size_t, total)
        __string(addr, xprt ? xprt->address_strings[RPC_DISPLAY_ADDR] :
                "(null)")
        __string(port, xprt ? xprt->address_strings[RPC_DISPLAY_PORT] :
                "(null)")
    ),

    TP_fast_assign(
        __entry->err = err;
        __entry->total = total;
        __assign_str(addr, xprt ?
            xprt->address_strings[RPC_DISPLAY_ADDR] : "(null)");
        __assign_str(port, xprt ?
            xprt->address_strings[RPC_DISPLAY_PORT] : "(null)");
    ),

    TP_printk("peer=[%s]:%s err=%zd total=%zu", __get_str(addr),
            __get_str(port), __entry->err, __entry->total)
);

TRACE_EVENT(xs_stream_read_request,
    TP_PROTO(struct sock_xprt *xs),

    TP_ARGS(xs),

    TP_STRUCT__entry(
        __string(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR])
        __string(port, xs->xprt.address_strings[RPC_DISPLAY_PORT])
        __field(u32, xid)
        __field(unsigned long, copied)
        __field(unsigned int, reclen)
        __field(unsigned int, offset)
    ),

    TP_fast_assign(
        __assign_str(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR]);
        __assign_str(port, xs->xprt.address_strings[RPC_DISPLAY_PORT]);
        __entry->xid = be32_to_cpu(xs->recv.xid);
        __entry->copied = xs->recv.copied;
        __entry->reclen = xs->recv.len;
        __entry->offset = xs->recv.offset;
    ),

    TP_printk("peer=[%s]:%s xid=0x%08x copied=%lu reclen=%u offset=%u",
            __get_str(addr), __get_str(port), __entry->xid,
            __entry->copied, __entry->reclen, __entry->offset)
);

TRACE_EVENT(rpcb_getport,
    TP_PROTO(
        const struct rpc_clnt *clnt,
        const struct rpc_task *task,
        unsigned int bind_version
    ),

    TP_ARGS(clnt, task, bind_version),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(unsigned int, program)
        __field(unsigned int, version)
        __field(int, protocol)
        __field(unsigned int, bind_version)
        __string(servername, task->tk_xprt->servername)
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = clnt->cl_clid;
        __entry->program = clnt->cl_prog;
        __entry->version = clnt->cl_vers;
        __entry->protocol = task->tk_xprt->prot;
        __entry->bind_version = bind_version;
        __assign_str(servername, task->tk_xprt->servername);
    ),

    TP_printk("task:%u@%u server=%s program=%u version=%u protocol=%d bind_version=%u",
        __entry->task_id, __entry->client_id, __get_str(servername),
        __entry->program, __entry->version, __entry->protocol,
        __entry->bind_version
    )
);

TRACE_EVENT(rpcb_setport,
    TP_PROTO(
        const struct rpc_task *task,
        int status,
        unsigned short port
    ),

    TP_ARGS(task, status, port),

    TP_STRUCT__entry(
        __field(unsigned int, task_id)
        __field(unsigned int, client_id)
        __field(int, status)
        __field(unsigned short, port)
    ),

    TP_fast_assign(
        __entry->task_id = task->tk_pid;
        __entry->client_id = task->tk_client->cl_clid;
        __entry->status = status;
        __entry->port = port;
    ),

    TP_printk("task:%u@%u status=%d port=%u",
        __entry->task_id, __entry->client_id,
        __entry->status, __entry->port
    )
);

TRACE_EVENT(pmap_register,
    TP_PROTO(
        u32 program,
        u32 version,
        int protocol,
        unsigned short port
    ),

    TP_ARGS(program, version, protocol, port),

    TP_STRUCT__entry(
        __field(unsigned int, program)
        __field(unsigned int, version)
        __field(int, protocol)
        __field(unsigned int, port)
    ),

    TP_fast_assign(
        __entry->program = program;
        __entry->version = version;
        __entry->protocol = protocol;
        __entry->port = port;
    ),

    TP_printk("program=%u version=%u protocol=%d port=%u",
        __entry->program, __entry->version,
        __entry->protocol, __entry->port
    )
);

TRACE_EVENT(rpcb_register,
    TP_PROTO(
        u32 program,
        u32 version,
        const char *addr,
        const char *netid
    ),

    TP_ARGS(program, version, addr, netid),

    TP_STRUCT__entry(
        __field(unsigned int, program)
        __field(unsigned int, version)
        __string(addr, addr)
        __string(netid, netid)
    ),

    TP_fast_assign(
        __entry->program = program;
        __entry->version = version;
        __assign_str(addr, addr);
        __assign_str(netid, netid);
    ),

    TP_printk("program=%u version=%u addr=%s netid=%s",
        __entry->program, __entry->version,
        __get_str(addr), __get_str(netid)
    )
);

TRACE_EVENT(rpcb_unregister,
    TP_PROTO(
        u32 program,
        u32 version,
        const char *netid
    ),

    TP_ARGS(program, version, netid),

    TP_STRUCT__entry(
        __field(unsigned int, program)
        __field(unsigned int, version)
        __string(netid, netid)
    ),

    TP_fast_assign(
        __entry->program = program;
        __entry->version = version;
        __assign_str(netid, netid);
    ),

    TP_printk("program=%u version=%u netid=%s",
        __entry->program, __entry->version, __get_str(netid)
    )
);

/* Record an xdr_buf containing a fully-formed RPC message */
DECLARE_EVENT_CLASS(svc_xdr_msg_class,
    TP_PROTO(
        const struct xdr_buf *xdr
    ),

    TP_ARGS(xdr),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(const void *, head_base)
        __field(size_t, head_len)
        __field(const void *, tail_base)
        __field(size_t, tail_len)
        __field(unsigned int, page_len)
        __field(unsigned int, msg_len)
    ),

    TP_fast_assign(
        __be32 *p = (__be32 *)xdr->head[0].iov_base;

        __entry->xid = be32_to_cpu(*p);
        __entry->head_base = p;
        __entry->head_len = xdr->head[0].iov_len;
        __entry->tail_base = xdr->tail[0].iov_base;
        __entry->tail_len = xdr->tail[0].iov_len;
        __entry->page_len = xdr->page_len;
        __entry->msg_len = xdr->len;
    ),

    TP_printk("xid=0x%08x head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
        __entry->xid,
        __entry->head_base, __entry->head_len, __entry->page_len,
        __entry->tail_base, __entry->tail_len, __entry->msg_len
    )
);

#define DEFINE_SVCXDRMSG_EVENT(name)                    \
        DEFINE_EVENT(svc_xdr_msg_class,                \
                svc_xdr_##name,                \
                TP_PROTO(                \
                    const struct xdr_buf *xdr    \
                ),                    \
                TP_ARGS(xdr))

DEFINE_SVCXDRMSG_EVENT(recvfrom);

/* Record an xdr_buf containing arbitrary data, tagged with an XID */
DECLARE_EVENT_CLASS(svc_xdr_buf_class,
    TP_PROTO(
        __be32 xid,
        const struct xdr_buf *xdr
    ),

    TP_ARGS(xid, xdr),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(const void *, head_base)
        __field(size_t, head_len)
        __field(const void *, tail_base)
        __field(size_t, tail_len)
        __field(unsigned int, page_len)
        __field(unsigned int, msg_len)
    ),

    TP_fast_assign(
        __entry->xid = be32_to_cpu(xid);
        __entry->head_base = xdr->head[0].iov_base;
        __entry->head_len = xdr->head[0].iov_len;
        __entry->tail_base = xdr->tail[0].iov_base;
        __entry->tail_len = xdr->tail[0].iov_len;
        __entry->page_len = xdr->page_len;
        __entry->msg_len = xdr->len;
    ),

    TP_printk("xid=0x%08x head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
        __entry->xid,
        __entry->head_base, __entry->head_len, __entry->page_len,
        __entry->tail_base, __entry->tail_len, __entry->msg_len
    )
);

#define DEFINE_SVCXDRBUF_EVENT(name)                    \
        DEFINE_EVENT(svc_xdr_buf_class,                \
                svc_xdr_##name,                \
                TP_PROTO(                \
                    __be32 xid,            \
                    const struct xdr_buf *xdr    \
                ),                    \
                TP_ARGS(xid, xdr))

DEFINE_SVCXDRBUF_EVENT(sendto);

/*
 * from include/linux/sunrpc/svc.h
 */
#define SVC_RQST_FLAG_LIST                        \
    svc_rqst_flag(SECURE)                        \
    svc_rqst_flag(LOCAL)                        \
    svc_rqst_flag(USEDEFERRAL)                    \
    svc_rqst_flag(DROPME)                        \
    svc_rqst_flag(SPLICE_OK)                    \
    svc_rqst_flag(VICTIM)                        \
    svc_rqst_flag(BUSY)                        \
    svc_rqst_flag(DATA)                        \
    svc_rqst_flag_end(AUTHERR)

#undef svc_rqst_flag
#undef svc_rqst_flag_end
#define svc_rqst_flag(x)    TRACE_DEFINE_ENUM(RQ_##x);
#define svc_rqst_flag_end(x)    TRACE_DEFINE_ENUM(RQ_##x);

SVC_RQST_FLAG_LIST

#undef svc_rqst_flag
#undef svc_rqst_flag_end
#define svc_rqst_flag(x)    { BIT(RQ_##x), #x },
#define svc_rqst_flag_end(x)    { BIT(RQ_##x), #x }

#define show_rqstp_flags(flags)                        \
        __print_flags(flags, "|", SVC_RQST_FLAG_LIST)

TRACE_DEFINE_ENUM(SVC_GARBAGE);
TRACE_DEFINE_ENUM(SVC_SYSERR);
TRACE_DEFINE_ENUM(SVC_VALID);
TRACE_DEFINE_ENUM(SVC_NEGATIVE);
TRACE_DEFINE_ENUM(SVC_OK);
TRACE_DEFINE_ENUM(SVC_DROP);
TRACE_DEFINE_ENUM(SVC_CLOSE);
TRACE_DEFINE_ENUM(SVC_DENIED);
TRACE_DEFINE_ENUM(SVC_PENDING);
TRACE_DEFINE_ENUM(SVC_COMPLETE);

#define svc_show_status(status)                \
    __print_symbolic(status,            \
        { SVC_GARBAGE,    "SVC_GARBAGE" },    \
        { SVC_SYSERR,    "SVC_SYSERR" },        \
        { SVC_VALID,    "SVC_VALID" },        \
        { SVC_NEGATIVE,    "SVC_NEGATIVE" },    \
        { SVC_OK,    "SVC_OK" },        \
        { SVC_DROP,    "SVC_DROP" },        \
        { SVC_CLOSE,    "SVC_CLOSE" },        \
        { SVC_DENIED,    "SVC_DENIED" },        \
        { SVC_PENDING,    "SVC_PENDING" },    \
        { SVC_COMPLETE,    "SVC_COMPLETE" })

TRACE_EVENT(svc_authenticate,
    TP_PROTO(const struct svc_rqst *rqst, int auth_res, __be32 auth_stat),

    TP_ARGS(rqst, auth_res, auth_stat),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(unsigned long, svc_status)
        __field(unsigned long, auth_stat)
    ),

    TP_fast_assign(
        __entry->xid = be32_to_cpu(rqst->rq_xid);
        __entry->svc_status = auth_res;
        __entry->auth_stat = be32_to_cpu(auth_stat);
    ),

    TP_printk("xid=0x%08x auth_res=%s auth_stat=%s",
            __entry->xid, svc_show_status(__entry->svc_status),
            rpc_show_auth_stat(__entry->auth_stat))
);

TRACE_EVENT(svc_process,
    TP_PROTO(const struct svc_rqst *rqst, const char *name),

    TP_ARGS(rqst, name),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(u32, vers)
        __field(u32, proc)
        __string(service, name)
        __string(procedure, svc_proc_name(rqst))
        __string(addr, rqst->rq_xprt ?
             rqst->rq_xprt->xpt_remotebuf : "(null)")
    ),

    TP_fast_assign(
        __entry->xid = be32_to_cpu(rqst->rq_xid);
        __entry->vers = rqst->rq_vers;
        __entry->proc = rqst->rq_proc;
        __assign_str(service, name);
        __assign_str(procedure, svc_proc_name(rqst));
        __assign_str(addr, rqst->rq_xprt ?
                 rqst->rq_xprt->xpt_remotebuf : "(null)");
    ),

    TP_printk("addr=%s xid=0x%08x service=%s vers=%u proc=%s",
            __get_str(addr), __entry->xid,
            __get_str(service), __entry->vers,
            __get_str(procedure)
    )
);

DECLARE_EVENT_CLASS(svc_rqst_event,

    TP_PROTO(
        const struct svc_rqst *rqst
    ),

    TP_ARGS(rqst),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(unsigned long, flags)
        __string(addr, rqst->rq_xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->xid = be32_to_cpu(rqst->rq_xid);
        __entry->flags = rqst->rq_flags;
        __assign_str(addr, rqst->rq_xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s xid=0x%08x flags=%s",
            __get_str(addr), __entry->xid,
            show_rqstp_flags(__entry->flags))
);
#define DEFINE_SVC_RQST_EVENT(name) \
    DEFINE_EVENT(svc_rqst_event, svc_##name, \
            TP_PROTO( \
                const struct svc_rqst *rqst \
            ), \
            TP_ARGS(rqst))

DEFINE_SVC_RQST_EVENT(defer);
DEFINE_SVC_RQST_EVENT(drop);

DECLARE_EVENT_CLASS(svc_rqst_status,

    TP_PROTO(struct svc_rqst *rqst, int status),

    TP_ARGS(rqst, status),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(int, status)
        __field(unsigned long, flags)
        __string(addr, rqst->rq_xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->xid = be32_to_cpu(rqst->rq_xid);
        __entry->status = status;
        __entry->flags = rqst->rq_flags;
        __assign_str(addr, rqst->rq_xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s xid=0x%08x status=%d flags=%s",
          __get_str(addr), __entry->xid,
          __entry->status, show_rqstp_flags(__entry->flags))
);

DEFINE_EVENT(svc_rqst_status, svc_send,
    TP_PROTO(struct svc_rqst *rqst, int status),
    TP_ARGS(rqst, status));

#define show_svc_xprt_flags(flags)                    \
    __print_flags(flags, "|",                    \
        { (1UL << XPT_BUSY),        "XPT_BUSY"},        \
        { (1UL << XPT_CONN),        "XPT_CONN"},        \
        { (1UL << XPT_CLOSE),        "XPT_CLOSE"},        \
        { (1UL << XPT_DATA),        "XPT_DATA"},        \
        { (1UL << XPT_TEMP),        "XPT_TEMP"},        \
        { (1UL << XPT_DEAD),        "XPT_DEAD"},        \
        { (1UL << XPT_CHNGBUF),        "XPT_CHNGBUF"},        \
        { (1UL << XPT_DEFERRED),    "XPT_DEFERRED"},    \
        { (1UL << XPT_OLD),        "XPT_OLD"},        \
        { (1UL << XPT_LISTENER),    "XPT_LISTENER"},    \
        { (1UL << XPT_CACHE_AUTH),    "XPT_CACHE_AUTH"},    \
        { (1UL << XPT_LOCAL),        "XPT_LOCAL"},        \
        { (1UL << XPT_KILL_TEMP),    "XPT_KILL_TEMP"},    \
        { (1UL << XPT_CONG_CTRL),    "XPT_CONG_CTRL"})

TRACE_EVENT(svc_xprt_create_err,
    TP_PROTO(
        const char *program,
        const char *protocol,
        struct sockaddr *sap,
        const struct svc_xprt *xprt
    ),

    TP_ARGS(program, protocol, sap, xprt),

    TP_STRUCT__entry(
        __field(long, error)
        __string(program, program)
        __string(protocol, protocol)
        __array(unsigned char, addr, sizeof(struct sockaddr_in6))
    ),

    TP_fast_assign(
        __entry->error = PTR_ERR(xprt);
        __assign_str(program, program);
        __assign_str(protocol, protocol);
        memcpy(__entry->addr, sap, sizeof(__entry->addr));
    ),

    TP_printk("addr=%pISpc program=%s protocol=%s error=%ld",
        __entry->addr, __get_str(program), __get_str(protocol),
        __entry->error)
);

TRACE_EVENT(svc_xprt_do_enqueue,
    TP_PROTO(struct svc_xprt *xprt, struct svc_rqst *rqst),

    TP_ARGS(xprt, rqst),

    TP_STRUCT__entry(
        __field(int, pid)
        __field(unsigned long, flags)
        __string(addr, xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->pid = rqst? rqst->rq_task->pid : 0;
        __entry->flags = xprt->xpt_flags;
        __assign_str(addr, xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s pid=%d flags=%s", __get_str(addr),
        __entry->pid, show_svc_xprt_flags(__entry->flags))
);

DECLARE_EVENT_CLASS(svc_xprt_event,
    TP_PROTO(struct svc_xprt *xprt),

    TP_ARGS(xprt),

    TP_STRUCT__entry(
        __field(unsigned long, flags)
        __string(addr, xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->flags = xprt->xpt_flags;
        __assign_str(addr, xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s flags=%s", __get_str(addr),
        show_svc_xprt_flags(__entry->flags))
);

#define DEFINE_SVC_XPRT_EVENT(name) \
    DEFINE_EVENT(svc_xprt_event, svc_xprt_##name, \
            TP_PROTO( \
                struct svc_xprt *xprt \
            ), \
            TP_ARGS(xprt))

DEFINE_SVC_XPRT_EVENT(received);
DEFINE_SVC_XPRT_EVENT(no_write_space);
DEFINE_SVC_XPRT_EVENT(close);
DEFINE_SVC_XPRT_EVENT(detach);
DEFINE_SVC_XPRT_EVENT(free);

TRACE_EVENT(svc_xprt_accept,
    TP_PROTO(
        const struct svc_xprt *xprt,
        const char *service
    ),

    TP_ARGS(xprt, service),

    TP_STRUCT__entry(
        __string(addr, xprt->xpt_remotebuf)
        __string(protocol, xprt->xpt_class->xcl_name)
        __string(service, service)
    ),

    TP_fast_assign(
        __assign_str(addr, xprt->xpt_remotebuf);
        __assign_str(protocol, xprt->xpt_class->xcl_name)
        __assign_str(service, service);
    ),

    TP_printk("addr=%s protocol=%s service=%s",
        __get_str(addr), __get_str(protocol), __get_str(service)
    )
);

TRACE_EVENT(svc_xprt_dequeue,
    TP_PROTO(struct svc_rqst *rqst),

    TP_ARGS(rqst),

    TP_STRUCT__entry(
        __field(unsigned long, flags)
        __field(unsigned long, wakeup)
        __string(addr, rqst->rq_xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->flags = rqst->rq_xprt->xpt_flags;
        __entry->wakeup = ktime_to_us(ktime_sub(ktime_get(),
                            rqst->rq_qtime));
        __assign_str(addr, rqst->rq_xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s flags=%s wakeup-us=%lu", __get_str(addr),
        show_svc_xprt_flags(__entry->flags), __entry->wakeup)
);

TRACE_EVENT(svc_wake_up,
    TP_PROTO(int pid),

    TP_ARGS(pid),

    TP_STRUCT__entry(
        __field(int, pid)
    ),

    TP_fast_assign(
        __entry->pid = pid;
    ),

    TP_printk("pid=%d", __entry->pid)
);

TRACE_EVENT(svc_handle_xprt,
    TP_PROTO(struct svc_xprt *xprt, int len),

    TP_ARGS(xprt, len),

    TP_STRUCT__entry(
        __field(int, len)
        __field(unsigned long, flags)
        __string(addr, xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->len = len;
        __entry->flags = xprt->xpt_flags;
        __assign_str(addr, xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s len=%d flags=%s", __get_str(addr),
        __entry->len, show_svc_xprt_flags(__entry->flags))
);

TRACE_EVENT(svc_stats_latency,
    TP_PROTO(const struct svc_rqst *rqst),

    TP_ARGS(rqst),

    TP_STRUCT__entry(
        __field(u32, xid)
        __field(unsigned long, execute)
        __string(procedure, svc_proc_name(rqst))
        __string(addr, rqst->rq_xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->xid = be32_to_cpu(rqst->rq_xid);
        __entry->execute = ktime_to_us(ktime_sub(ktime_get(),
                             rqst->rq_stime));
        __assign_str(procedure, svc_proc_name(rqst));
        __assign_str(addr, rqst->rq_xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s xid=0x%08x proc=%s execute-us=%lu",
        __get_str(addr), __entry->xid, __get_str(procedure),
        __entry->execute)
);

DECLARE_EVENT_CLASS(svc_deferred_event,
    TP_PROTO(
        const struct svc_deferred_req *dr
    ),

    TP_ARGS(dr),

    TP_STRUCT__entry(
        __field(const void *, dr)
        __field(u32, xid)
        __string(addr, dr->xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->dr = dr;
        __entry->xid = be32_to_cpu(*(__be32 *)(dr->args +
                               (dr->xprt_hlen>>2)));
        __assign_str(addr, dr->xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s dr=%p xid=0x%08x", __get_str(addr), __entry->dr,
        __entry->xid)
);

#define DEFINE_SVC_DEFERRED_EVENT(name) \
    DEFINE_EVENT(svc_deferred_event, svc_defer_##name, \
            TP_PROTO( \
                const struct svc_deferred_req *dr \
            ), \
            TP_ARGS(dr))

DEFINE_SVC_DEFERRED_EVENT(drop);
DEFINE_SVC_DEFERRED_EVENT(queue);
DEFINE_SVC_DEFERRED_EVENT(recv);

TRACE_EVENT(svcsock_new_socket,
    TP_PROTO(
        const struct socket *socket
    ),

    TP_ARGS(socket),

    TP_STRUCT__entry(
        __field(unsigned long, type)
        __field(unsigned long, family)
        __field(bool, listener)
    ),

    TP_fast_assign(
        __entry->type = socket->type;
        __entry->family = socket->sk->sk_family;
        __entry->listener = (socket->sk->sk_state == TCP_LISTEN);
    ),

    TP_printk("type=%s family=%s%s",
        show_socket_type(__entry->type),
        rpc_show_address_family(__entry->family),
        __entry->listener ? " (listener)" : ""
    )
);

TRACE_EVENT(svcsock_marker,
    TP_PROTO(
        const struct svc_xprt *xprt,
        __be32 marker
    ),

    TP_ARGS(xprt, marker),

    TP_STRUCT__entry(
        __field(unsigned int, length)
        __field(bool, last)
        __string(addr, xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->length = be32_to_cpu(marker) & RPC_FRAGMENT_SIZE_MASK;
        __entry->last = be32_to_cpu(marker) & RPC_LAST_STREAM_FRAGMENT;
        __assign_str(addr, xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s length=%u%s", __get_str(addr),
        __entry->length, __entry->last ? " (last)" : "")
);

DECLARE_EVENT_CLASS(svcsock_class,
    TP_PROTO(
        const struct svc_xprt *xprt,
        ssize_t result
    ),

    TP_ARGS(xprt, result),

    TP_STRUCT__entry(
        __field(ssize_t, result)
        __field(unsigned long, flags)
        __string(addr, xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->result = result;
        __entry->flags = xprt->xpt_flags;
        __assign_str(addr, xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s result=%zd flags=%s", __get_str(addr),
        __entry->result, show_svc_xprt_flags(__entry->flags)
    )
);

#define DEFINE_SVCSOCK_EVENT(name) \
    DEFINE_EVENT(svcsock_class, svcsock_##name, \
            TP_PROTO( \
                const struct svc_xprt *xprt, \
                ssize_t result \
            ), \
            TP_ARGS(xprt, result))

DEFINE_SVCSOCK_EVENT(udp_send);
DEFINE_SVCSOCK_EVENT(udp_recv);
DEFINE_SVCSOCK_EVENT(udp_recv_err);
DEFINE_SVCSOCK_EVENT(tcp_send);
DEFINE_SVCSOCK_EVENT(tcp_recv);
DEFINE_SVCSOCK_EVENT(tcp_recv_eagain);
DEFINE_SVCSOCK_EVENT(tcp_recv_err);
DEFINE_SVCSOCK_EVENT(data_ready);
DEFINE_SVCSOCK_EVENT(write_space);

TRACE_EVENT(svcsock_tcp_recv_short,
    TP_PROTO(
        const struct svc_xprt *xprt,
        u32 expected,
        u32 received
    ),

    TP_ARGS(xprt, expected, received),

    TP_STRUCT__entry(
        __field(u32, expected)
        __field(u32, received)
        __field(unsigned long, flags)
        __string(addr, xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->expected = expected;
        __entry->received = received;
        __entry->flags = xprt->xpt_flags;
        __assign_str(addr, xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s flags=%s expected=%u received=%u",
        __get_str(addr), show_svc_xprt_flags(__entry->flags),
        __entry->expected, __entry->received
    )
);

TRACE_EVENT(svcsock_tcp_state,
    TP_PROTO(
        const struct svc_xprt *xprt,
        const struct socket *socket
    ),

    TP_ARGS(xprt, socket),

    TP_STRUCT__entry(
        __field(unsigned long, socket_state)
        __field(unsigned long, sock_state)
        __field(unsigned long, flags)
        __string(addr, xprt->xpt_remotebuf)
    ),

    TP_fast_assign(
        __entry->socket_state = socket->state;
        __entry->sock_state = socket->sk->sk_state;
        __entry->flags = xprt->xpt_flags;
        __assign_str(addr, xprt->xpt_remotebuf);
    ),

    TP_printk("addr=%s state=%s sk_state=%s flags=%s", __get_str(addr),
        rpc_show_socket_state(__entry->socket_state),
        rpc_show_sock_state(__entry->sock_state),
        show_svc_xprt_flags(__entry->flags)
    )
);

DECLARE_EVENT_CLASS(svcsock_accept_class,
    TP_PROTO(
        const struct svc_xprt *xprt,
        const char *service,
        long status
    ),

    TP_ARGS(xprt, service, status),

    TP_STRUCT__entry(
        __field(long, status)
        __string(service, service)
        __array(unsigned char, addr, sizeof(struct sockaddr_in6))
    ),

    TP_fast_assign(
        __entry->status = status;
        __assign_str(service, service);
        memcpy(__entry->addr, &xprt->xpt_local, sizeof(__entry->addr));
    ),

    TP_printk("listener=%pISpc service=%s status=%ld",
        __entry->addr, __get_str(service), __entry->status
    )
);

#define DEFINE_ACCEPT_EVENT(name) \
    DEFINE_EVENT(svcsock_accept_class, svcsock_##name##_err, \
            TP_PROTO( \
                const struct svc_xprt *xprt, \
                const char *service, \
                long status \
            ), \
            TP_ARGS(xprt, service, status))

DEFINE_ACCEPT_EVENT(accept);
DEFINE_ACCEPT_EVENT(getpeername);

DECLARE_EVENT_CLASS(cache_event,
    TP_PROTO(
        const struct cache_detail *cd,
        const struct cache_head *h
    ),

    TP_ARGS(cd, h),

    TP_STRUCT__entry(
        __field(const struct cache_head *, h)
        __string(name, cd->name)
    ),

    TP_fast_assign(
        __entry->h = h;
        __assign_str(name, cd->name);
    ),

    TP_printk("cache=%s entry=%p", __get_str(name), __entry->h)
);
#define DEFINE_CACHE_EVENT(name) \
    DEFINE_EVENT(cache_event, name, \
            TP_PROTO( \
                const struct cache_detail *cd, \
                const struct cache_head *h \
            ), \
            TP_ARGS(cd, h))
DEFINE_CACHE_EVENT(cache_entry_expired);
DEFINE_CACHE_EVENT(cache_entry_upcall);
DEFINE_CACHE_EVENT(cache_entry_update);
DEFINE_CACHE_EVENT(cache_entry_make_negative);
DEFINE_CACHE_EVENT(cache_entry_no_listener);

DECLARE_EVENT_CLASS(register_class,
    TP_PROTO(
        const char *program,
        const u32 version,
        const int family,
        const unsigned short protocol,
        const unsigned short port,
        int error
    ),

    TP_ARGS(program, version, family, protocol, port, error),

    TP_STRUCT__entry(
        __field(u32, version)
        __field(unsigned long, family)
        __field(unsigned short, protocol)
        __field(unsigned short, port)
        __field(int, error)
        __string(program, program)
    ),

    TP_fast_assign(
        __entry->version = version;
        __entry->family = family;
        __entry->protocol = protocol;
        __entry->port = port;
        __entry->error = error;
        __assign_str(program, program);
    ),

    TP_printk("program=%sv%u proto=%s port=%u family=%s error=%d",
        __get_str(program), __entry->version,
        __entry->protocol == IPPROTO_UDP ? "udp" : "tcp",
        __entry->port, rpc_show_address_family(__entry->family),
        __entry->error
    )
);

#define DEFINE_REGISTER_EVENT(name) \
    DEFINE_EVENT(register_class, svc_##name, \
            TP_PROTO( \
                const char *program, \
                const u32 version, \
                const int family, \
                const unsigned short protocol, \
                const unsigned short port, \
                int error \
            ), \
            TP_ARGS(program, version, family, protocol, \
                port, error))

DEFINE_REGISTER_EVENT(register);
DEFINE_REGISTER_EVENT(noregister);

TRACE_EVENT(svc_unregister,
    TP_PROTO(
        const char *program,
        const u32 version,
        int error
    ),

    TP_ARGS(program, version, error),

    TP_STRUCT__entry(
        __field(u32, version)
        __field(int, error)
        __string(program, program)
    ),

    TP_fast_assign(
        __entry->version = version;
        __entry->error = error;
        __assign_str(program, program);
    ),

    TP_printk("program=%sv%u error=%d",
        __get_str(program), __entry->version, __entry->error
    )
);

#endif /* _TRACE_SUNRPC_H */

#include <trace/define_trace.h>

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