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linux_dsm_epyc7002/include/trace/events/sunrpc.h
Trond Myklebust 8f39fce84a NFS-over-RDMA client updates for Linux 4.16 
New features:
 - xprtrdma tracepoints
 
 Bugfixes and cleanups:
 - Fix memory leak if rpcrdma_buffer_create() fails
 - Fix allocating extra rpcrdma_reps for the backchannel
 - Remove various unused and redundant variables and lock cycles
 - Fix IPv6 support in xprt_rdma_set_port()
 - Fix memory leak by calling buf_free for callback replies
 - Fix "bytes registered" accounting
 - Fix kernel-doc comments
 - SUNRPC tracepoint cleanups for consistent information
 - Optimizations for __rpc_execute()
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Merge tag 'nfs-rdma-for-4.16-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

NFS-over-RDMA client updates for Linux 4.16

New features:
- xprtrdma tracepoints

Bugfixes and cleanups:
- Fix memory leak if rpcrdma_buffer_create() fails
- Fix allocating extra rpcrdma_reps for the backchannel
- Remove various unused and redundant variables and lock cycles
- Fix IPv6 support in xprt_rdma_set_port()
- Fix memory leak by calling buf_free for callback replies
- Fix "bytes registered" accounting
- Fix kernel-doc comments
- SUNRPC tracepoint cleanups for consistent information
- Optimizations for __rpc_execute()
2018-01-23 14:55:50 -05:00

742 lines
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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>
DECLARE_EVENT_CLASS(rpc_task_status,
TP_PROTO(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_EVENT(rpc_task_status, rpc_call_status,
TP_PROTO(struct rpc_task *task),
TP_ARGS(task)
);
DEFINE_EVENT(rpc_task_status, rpc_bind_status,
TP_PROTO(struct rpc_task *task),
TP_ARGS(task)
);
TRACE_EVENT(rpc_connect_status,
TP_PROTO(struct rpc_task *task, int status),
TP_ARGS(task, status),
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 = status;
),
TP_printk("task:%u@%u status=%d",
__entry->task_id, __entry->client_id,
__entry->status)
);
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": ""
)
);
DECLARE_EVENT_CLASS(rpc_task_running,
TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
TP_ARGS(clnt, 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 = clnt ? clnt->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=%4.4x state=%4.4lx status=%d action=%pf",
__entry->task_id, __entry->client_id,
__entry->flags,
__entry->runstate,
__entry->status,
__entry->action
)
);
DEFINE_EVENT(rpc_task_running, rpc_task_begin,
TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
TP_ARGS(clnt, task, action)
);
DEFINE_EVENT(rpc_task_running, rpc_task_run_action,
TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
TP_ARGS(clnt, task, action)
);
DEFINE_EVENT(rpc_task_running, rpc_task_complete,
TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
TP_ARGS(clnt, task, action)
);
DECLARE_EVENT_CLASS(rpc_task_queued,
TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
TP_ARGS(clnt, 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 = clnt ? clnt->cl_clid : -1;
__entry->task_id = task->tk_pid;
__entry->timeout = task->tk_timeout;
__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=%4.4x state=%4.4lx status=%d timeout=%lu queue=%s",
__entry->task_id, __entry->client_id,
__entry->flags,
__entry->runstate,
__entry->status,
__entry->timeout,
__get_str(q_name)
)
);
DEFINE_EVENT(rpc_task_queued, rpc_task_sleep,
TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
TP_ARGS(clnt, task, q)
);
DEFINE_EVENT(rpc_task_queued, rpc_task_wakeup,
TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
TP_ARGS(clnt, task, q)
);
/*
* 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);
DECLARE_EVENT_CLASS(rpc_xprt_event,
TP_PROTO(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_EVENT(rpc_xprt_event, xprt_timer,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status));
DEFINE_EVENT(rpc_xprt_event, xprt_lookup_rqst,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status));
DEFINE_EVENT(rpc_xprt_event, xprt_transmit,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status));
DEFINE_EVENT(rpc_xprt_event, xprt_complete_rqst,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status));
TRACE_EVENT(xs_tcp_data_ready,
TP_PROTO(struct rpc_xprt *xprt, int err, unsigned int total),
TP_ARGS(xprt, err, total),
TP_STRUCT__entry(
__field(int, err)
__field(unsigned int, 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=%d total=%u", __get_str(addr),
__get_str(port), __entry->err, __entry->total)
);
#define rpc_show_sock_xprt_flags(flags) \
__print_flags(flags, "|", \
{ TCP_RCV_LAST_FRAG, "TCP_RCV_LAST_FRAG" }, \
{ TCP_RCV_COPY_FRAGHDR, "TCP_RCV_COPY_FRAGHDR" }, \
{ TCP_RCV_COPY_XID, "TCP_RCV_COPY_XID" }, \
{ TCP_RCV_COPY_DATA, "TCP_RCV_COPY_DATA" }, \
{ TCP_RCV_READ_CALLDIR, "TCP_RCV_READ_CALLDIR" }, \
{ TCP_RCV_COPY_CALLDIR, "TCP_RCV_COPY_CALLDIR" }, \
{ TCP_RPC_REPLY, "TCP_RPC_REPLY" })
TRACE_EVENT(xs_tcp_data_recv,
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, flags)
__field(unsigned long, copied)
__field(unsigned int, reclen)
__field(unsigned long, 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->tcp_xid);
__entry->flags = xs->tcp_flags;
__entry->copied = xs->tcp_copied;
__entry->reclen = xs->tcp_reclen;
__entry->offset = xs->tcp_offset;
),
TP_printk("peer=[%s]:%s xid=0x%08x flags=%s copied=%lu reclen=%u offset=%lu",
__get_str(addr), __get_str(port), __entry->xid,
rpc_show_sock_xprt_flags(__entry->flags),
__entry->copied, __entry->reclen, __entry->offset)
);
#define show_rqstp_flags(flags) \
__print_flags(flags, "|", \
{ (1UL << RQ_SECURE), "RQ_SECURE"}, \
{ (1UL << RQ_LOCAL), "RQ_LOCAL"}, \
{ (1UL << RQ_USEDEFERRAL), "RQ_USEDEFERRAL"}, \
{ (1UL << RQ_DROPME), "RQ_DROPME"}, \
{ (1UL << RQ_SPLICE_OK), "RQ_SPLICE_OK"}, \
{ (1UL << RQ_VICTIM), "RQ_VICTIM"}, \
{ (1UL << RQ_BUSY), "RQ_BUSY"})
TRACE_EVENT(svc_recv,
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)
__dynamic_array(unsigned char, addr, rqst->rq_addrlen)
),
TP_fast_assign(
__entry->xid = status > 0 ? be32_to_cpu(rqst->rq_xid) : 0;
__entry->status = status;
__entry->flags = rqst->rq_flags;
memcpy(__get_dynamic_array(addr),
&rqst->rq_addr, rqst->rq_addrlen);
),
TP_printk("addr=%pIScp xid=0x%08x status=%d flags=%s",
(struct sockaddr *)__get_dynamic_array(addr),
__entry->xid, __entry->status,
show_rqstp_flags(__entry->flags))
);
DECLARE_EVENT_CLASS(svc_rqst_event,
TP_PROTO(struct svc_rqst *rqst),
TP_ARGS(rqst),
TP_STRUCT__entry(
__field(u32, xid)
__field(unsigned long, flags)
__dynamic_array(unsigned char, addr, rqst->rq_addrlen)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->flags = rqst->rq_flags;
memcpy(__get_dynamic_array(addr),
&rqst->rq_addr, rqst->rq_addrlen);
),
TP_printk("addr=%pIScp rq_xid=0x%08x flags=%s",
(struct sockaddr *)__get_dynamic_array(addr),
__entry->xid,
show_rqstp_flags(__entry->flags))
);
DEFINE_EVENT(svc_rqst_event, svc_defer,
TP_PROTO(struct svc_rqst *rqst),
TP_ARGS(rqst));
DEFINE_EVENT(svc_rqst_event, svc_drop,
TP_PROTO(struct svc_rqst *rqst),
TP_ARGS(rqst));
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)
__dynamic_array(unsigned char, addr, rqst->rq_addrlen)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->status = status;
__entry->flags = rqst->rq_flags;
memcpy(__get_dynamic_array(addr),
&rqst->rq_addr, rqst->rq_addrlen);
),
TP_printk("addr=%pIScp rq_xid=0x%08x status=%d flags=%s",
(struct sockaddr *)__get_dynamic_array(addr),
__entry->xid,
__entry->status, show_rqstp_flags(__entry->flags))
);
DEFINE_EVENT(svc_rqst_status, svc_process,
TP_PROTO(struct svc_rqst *rqst, int status),
TP_ARGS(rqst, status));
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"})
TRACE_EVENT(svc_xprt_do_enqueue,
TP_PROTO(struct svc_xprt *xprt, struct svc_rqst *rqst),
TP_ARGS(xprt, rqst),
TP_STRUCT__entry(
__field(struct svc_xprt *, xprt)
__field(int, pid)
__field(unsigned long, flags)
__dynamic_array(unsigned char, addr, xprt != NULL ?
xprt->xpt_remotelen : 0)
),
TP_fast_assign(
__entry->xprt = xprt;
__entry->pid = rqst? rqst->rq_task->pid : 0;
if (xprt) {
memcpy(__get_dynamic_array(addr),
&xprt->xpt_remote,
xprt->xpt_remotelen);
__entry->flags = xprt->xpt_flags;
} else
__entry->flags = 0;
),
TP_printk("xprt=0x%p addr=%pIScp pid=%d flags=%s", __entry->xprt,
__get_dynamic_array_len(addr) != 0 ?
(struct sockaddr *)__get_dynamic_array(addr) : NULL,
__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(struct svc_xprt *, xprt)
__field(unsigned long, flags)
__dynamic_array(unsigned char, addr, xprt != NULL ?
xprt->xpt_remotelen : 0)
),
TP_fast_assign(
__entry->xprt = xprt;
if (xprt) {
memcpy(__get_dynamic_array(addr),
&xprt->xpt_remote,
xprt->xpt_remotelen);
__entry->flags = xprt->xpt_flags;
} else
__entry->flags = 0;
),
TP_printk("xprt=0x%p addr=%pIScp flags=%s", __entry->xprt,
__get_dynamic_array_len(addr) != 0 ?
(struct sockaddr *)__get_dynamic_array(addr) : NULL,
show_svc_xprt_flags(__entry->flags))
);
DEFINE_EVENT(svc_xprt_event, svc_xprt_dequeue,
TP_PROTO(struct svc_xprt *xprt),
TP_ARGS(xprt));
DEFINE_EVENT(svc_xprt_event, svc_xprt_no_write_space,
TP_PROTO(struct svc_xprt *xprt),
TP_ARGS(xprt));
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(struct svc_xprt *, xprt)
__field(int, len)
__field(unsigned long, flags)
__dynamic_array(unsigned char, addr, xprt != NULL ?
xprt->xpt_remotelen : 0)
),
TP_fast_assign(
__entry->xprt = xprt;
__entry->len = len;
if (xprt) {
memcpy(__get_dynamic_array(addr),
&xprt->xpt_remote,
xprt->xpt_remotelen);
__entry->flags = xprt->xpt_flags;
} else
__entry->flags = 0;
),
TP_printk("xprt=0x%p addr=%pIScp len=%d flags=%s", __entry->xprt,
__get_dynamic_array_len(addr) != 0 ?
(struct sockaddr *)__get_dynamic_array(addr) : NULL,
__entry->len, show_svc_xprt_flags(__entry->flags))
);
DECLARE_EVENT_CLASS(svc_deferred_event,
TP_PROTO(struct svc_deferred_req *dr),
TP_ARGS(dr),
TP_STRUCT__entry(
__field(u32, xid)
__dynamic_array(unsigned char, addr, dr->addrlen)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(*(__be32 *)(dr->args +
(dr->xprt_hlen>>2)));
memcpy(__get_dynamic_array(addr), &dr->addr, dr->addrlen);
),
TP_printk("addr=%pIScp xid=0x%08x",
(struct sockaddr *)__get_dynamic_array(addr),
__entry->xid)
);
DEFINE_EVENT(svc_deferred_event, svc_drop_deferred,
TP_PROTO(struct svc_deferred_req *dr),
TP_ARGS(dr));
DEFINE_EVENT(svc_deferred_event, svc_revisit_deferred,
TP_PROTO(struct svc_deferred_req *dr),
TP_ARGS(dr));
#endif /* _TRACE_SUNRPC_H */
#include <trace/define_trace.h>
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