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Commit 36fc2d72 authored by David S. Miller's avatar David S. Miller
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Merge tag 'rxrpc-next-20180327' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs 

David Howells says:

====================
rxrpc: Tracing updates

Here are some patches that update tracing in AF_RXRPC and AFS:

 (1) Add a tracepoint for tracking resend events.

 (2) Use debug_ids in traces rather than pointers (as pointers are now hashed)
     and allow use of the same debug_id in AFS calls as in the corresponding
     AF_RXRPC calls.  This makes filtering the trace output much easier.

 (3) Add a tracepoint for tracking call completion.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 492caffa 1bae5d22
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Showing with 219 additions and 142 deletions
fs/afs/internal.h
View file @ 36fc2d72
......@@ -118,6 +118,7 @@ struct afs_call {
bool ret_reply0; /* T if should return reply[0] on success */
bool upgrade; /* T to request service upgrade */
u16 service_id; /* Actual service ID (after upgrade) */
unsigned int debug_id; /* Trace ID */
u32 operation_ID; /* operation ID for an incoming call */
u32 count; /* count for use in unmarshalling */
__be32 tmp; /* place to extract temporary data */
......
fs/afs/rxrpc.c
View file @ 36fc2d72
......@@ -131,6 +131,7 @@ static struct afs_call *afs_alloc_call(struct afs_net *net,
call->type = type;
call->net = net;
call->debug_id = atomic_inc_return(&rxrpc_debug_id);
atomic_set(&call->usage, 1);
INIT_WORK(&call->async_work, afs_process_async_call);
init_waitqueue_head(&call->waitq);
......@@ -169,11 +170,12 @@ void afs_put_call(struct afs_call *call)
afs_put_server(call->net, call->cm_server);
afs_put_cb_interest(call->net, call->cbi);
kfree(call->request);
kfree(call);
o = atomic_dec_return(&net->nr_outstanding_calls);
trace_afs_call(call, afs_call_trace_free, 0, o,
__builtin_return_address(0));
kfree(call);
o = atomic_dec_return(&net->nr_outstanding_calls);
if (o == 0)
wake_up_atomic_t(&net->nr_outstanding_calls);
}
......@@ -378,7 +380,8 @@ long afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call,
(async ?
afs_wake_up_async_call :
afs_wake_up_call_waiter),
call->upgrade);
call->upgrade,
call->debug_id);
if (IS_ERR(rxcall)) {
ret = PTR_ERR(rxcall);
goto error_kill_call;
......@@ -727,7 +730,8 @@ void afs_charge_preallocation(struct work_struct *work)
afs_wake_up_async_call,
afs_rx_attach,
(unsigned long)call,
GFP_KERNEL) < 0)
GFP_KERNEL,
call->debug_id) < 0)
break;
call = NULL;
}
......
include/net/af_rxrpc.h
View file @ 36fc2d72
......@@ -31,6 +31,11 @@ enum rxrpc_call_completion {
NR__RXRPC_CALL_COMPLETIONS
};
/*
* Debug ID counter for tracing.
*/
extern atomic_t rxrpc_debug_id;
typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
unsigned long);
typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
......@@ -50,7 +55,8 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
s64,
gfp_t,
rxrpc_notify_rx_t,
bool);
bool,
unsigned int);
int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
struct msghdr *, size_t,
rxrpc_notify_end_tx_t);
......@@ -63,7 +69,8 @@ void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
struct sockaddr_rxrpc *);
u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
rxrpc_user_attach_call_t, unsigned long, gfp_t);
rxrpc_user_attach_call_t, unsigned long, gfp_t,
unsigned int);
void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *,
struct sockaddr_rxrpc *, struct key *);
......
include/trace/events/afs.h
View file @ 36fc2d72
......@@ -133,8 +133,7 @@ TRACE_EVENT(afs_recv_data,
TP_ARGS(call, count, offset, want_more, ret),
TP_STRUCT__entry(
__field(struct rxrpc_call *, rxcall )
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(enum afs_call_state, state )
__field(unsigned int, count )
__field(unsigned int, offset )
......@@ -144,8 +143,7 @@ TRACE_EVENT(afs_recv_data,
),
TP_fast_assign(
__entry->rxcall = call->rxcall;
__entry->call = call;
__entry->call = call->debug_id;
__entry->state = call->state;
__entry->unmarshall = call->unmarshall;
__entry->count = count;
......@@ -154,8 +152,7 @@ TRACE_EVENT(afs_recv_data,
__entry->ret = ret;
),
TP_printk("c=%p ac=%p s=%u u=%u %u/%u wm=%u ret=%d",
__entry->rxcall,
TP_printk("c=%08x s=%u u=%u %u/%u wm=%u ret=%d",
__entry->call,
__entry->state, __entry->unmarshall,
__entry->offset, __entry->count,
......@@ -168,21 +165,18 @@ TRACE_EVENT(afs_notify_call,
TP_ARGS(rxcall, call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, rxcall )
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(enum afs_call_state, state )
__field(unsigned short, unmarshall )
),
TP_fast_assign(
__entry->rxcall = rxcall;
__entry->call = call;
__entry->call = call->debug_id;
__entry->state = call->state;
__entry->unmarshall = call->unmarshall;
),
TP_printk("c=%p ac=%p s=%u u=%u",
__entry->rxcall,
TP_printk("c=%08x s=%u u=%u",
__entry->call,
__entry->state, __entry->unmarshall)
);
......@@ -193,21 +187,18 @@ TRACE_EVENT(afs_cb_call,
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, rxcall )
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(const char *, name )
__field(u32, op )
),
TP_fast_assign(
__entry->rxcall = call->rxcall;
__entry->call = call;
__entry->call = call->debug_id;
__entry->name = call->type->name;
__entry->op = call->operation_ID;
),
TP_printk("c=%p ac=%p %s o=%u",
__entry->rxcall,
TP_printk("c=%08x %s o=%u",
__entry->call,
__entry->name,
__entry->op)
......@@ -220,7 +211,7 @@ TRACE_EVENT(afs_call,
TP_ARGS(call, op, usage, outstanding, where),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(int, op )
__field(int, usage )
__field(int, outstanding )
......@@ -228,14 +219,14 @@ TRACE_EVENT(afs_call,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->op = op;
__entry->usage = usage;
__entry->outstanding = outstanding;
__entry->where = where;
),
TP_printk("c=%p %s u=%d o=%d sp=%pSR",
TP_printk("c=%08x %s u=%d o=%d sp=%pSR",
__entry->call,
__print_symbolic(__entry->op, afs_call_traces),
__entry->usage,
......@@ -249,13 +240,13 @@ TRACE_EVENT(afs_make_fs_call,
TP_ARGS(call, fid),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(enum afs_fs_operation, op )
__field_struct(struct afs_fid, fid )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->op = call->operation_ID;
if (fid) {
__entry->fid = *fid;
......@@ -266,7 +257,7 @@ TRACE_EVENT(afs_make_fs_call,
}
),
TP_printk("c=%p %06x:%06x:%06x %s",
TP_printk("c=%08x %06x:%06x:%06x %s",
__entry->call,
__entry->fid.vid,
__entry->fid.vnode,
......@@ -280,16 +271,16 @@ TRACE_EVENT(afs_make_vl_call,
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(enum afs_vl_operation, op )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->op = call->operation_ID;
),
TP_printk("c=%p %s",
TP_printk("c=%08x %s",
__entry->call,
__print_symbolic(__entry->op, afs_vl_operations))
);
......@@ -300,20 +291,20 @@ TRACE_EVENT(afs_call_done,
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(struct rxrpc_call *, rx_call )
__field(int, ret )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->rx_call = call->rxcall;
__entry->ret = call->error;
__entry->abort_code = call->abort_code;
),
TP_printk(" c=%p ret=%d ab=%d [%p]",
TP_printk(" c=%08x ret=%d ab=%d [%p]",
__entry->call,
__entry->ret,
__entry->abort_code,
......@@ -327,7 +318,7 @@ TRACE_EVENT(afs_send_pages,
TP_ARGS(call, msg, first, last, offset),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(pgoff_t, first )
__field(pgoff_t, last )
__field(unsigned int, nr )
......@@ -337,7 +328,7 @@ TRACE_EVENT(afs_send_pages,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->first = first;
__entry->last = last;
__entry->nr = msg->msg_iter.nr_segs;
......@@ -346,7 +337,7 @@ TRACE_EVENT(afs_send_pages,
__entry->flags = msg->msg_flags;
),
TP_printk(" c=%p %lx-%lx-%lx b=%x o=%x f=%x",
TP_printk(" c=%08x %lx-%lx-%lx b=%x o=%x f=%x",
__entry->call,
__entry->first, __entry->first + __entry->nr - 1, __entry->last,
__entry->bytes, __entry->offset,
......@@ -360,7 +351,7 @@ TRACE_EVENT(afs_sent_pages,
TP_ARGS(call, first, last, cursor, ret),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(pgoff_t, first )
__field(pgoff_t, last )
__field(pgoff_t, cursor )
......@@ -368,14 +359,14 @@ TRACE_EVENT(afs_sent_pages,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->first = first;
__entry->last = last;
__entry->cursor = cursor;
__entry->ret = ret;
),
TP_printk(" c=%p %lx-%lx c=%lx r=%d",
TP_printk(" c=%08x %lx-%lx c=%lx r=%d",
__entry->call,
__entry->first, __entry->last,
__entry->cursor, __entry->ret)
......@@ -450,7 +441,7 @@ TRACE_EVENT(afs_call_state,
TP_ARGS(call, from, to, ret, remote_abort),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(unsigned int, call )
__field(enum afs_call_state, from )
__field(enum afs_call_state, to )
__field(int, ret )
......@@ -458,14 +449,14 @@ TRACE_EVENT(afs_call_state,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->from = from;
__entry->to = to;
__entry->ret = ret;
__entry->abort = remote_abort;
),
TP_printk("c=%p %u->%u r=%d ab=%d",
TP_printk("c=%08x %u->%u r=%d ab=%d",
__entry->call,
__entry->from, __entry->to,
__entry->ret, __entry->abort)
......
include/trace/events/rxrpc.h
View file @ 36fc2d72
......@@ -400,6 +400,13 @@ enum rxrpc_congest_change {
EM(RXRPC_ACK_IDLE, "IDL") \
E_(RXRPC_ACK__INVALID, "-?-")
#define rxrpc_completions \
EM(RXRPC_CALL_SUCCEEDED, "Succeeded") \
EM(RXRPC_CALL_REMOTELY_ABORTED, "RemoteAbort") \
EM(RXRPC_CALL_LOCALLY_ABORTED, "LocalAbort") \
EM(RXRPC_CALL_LOCAL_ERROR, "LocalError") \
E_(RXRPC_CALL_NETWORK_ERROR, "NetError")
/*
* Export enum symbols via userspace.
*/
......@@ -420,6 +427,7 @@ rxrpc_rtt_rx_traces;
rxrpc_timer_traces;
rxrpc_propose_ack_traces;
rxrpc_propose_ack_outcomes;
rxrpc_congest_modes;
rxrpc_congest_changes;
/*
......@@ -438,20 +446,20 @@ TRACE_EVENT(rxrpc_conn,
TP_ARGS(conn, op, usage, where),
TP_STRUCT__entry(
__field(struct rxrpc_connection *, conn )
__field(int, op )
__field(int, usage )
__field(const void *, where )
__field(unsigned int, conn )
__field(int, op )
__field(int, usage )
__field(const void *, where )
),
TP_fast_assign(
__entry->conn = conn;
__entry->conn = conn->debug_id;
__entry->op = op;
__entry->usage = usage;
__entry->where = where;
),
TP_printk("C=%p %s u=%d sp=%pSR",
TP_printk("C=%08x %s u=%d sp=%pSR",
__entry->conn,
__print_symbolic(__entry->op, rxrpc_conn_traces),
__entry->usage,
......@@ -465,7 +473,7 @@ TRACE_EVENT(rxrpc_client,
TP_ARGS(conn, channel, op),
TP_STRUCT__entry(
__field(struct rxrpc_connection *, conn )
__field(unsigned int, conn )
__field(u32, cid )
__field(int, channel )
__field(int, usage )
......@@ -474,7 +482,7 @@ TRACE_EVENT(rxrpc_client,
),
TP_fast_assign(
__entry->conn = conn;
__entry->conn = conn->debug_id;
__entry->channel = channel;
__entry->usage = atomic_read(&conn->usage);
__entry->op = op;
......@@ -482,7 +490,7 @@ TRACE_EVENT(rxrpc_client,
__entry->cs = conn->cache_state;
),
TP_printk("C=%p h=%2d %s %s i=%08x u=%d",
TP_printk("C=%08x h=%2d %s %s i=%08x u=%d",
__entry->conn,
__entry->channel,
__print_symbolic(__entry->op, rxrpc_client_traces),
......@@ -498,7 +506,7 @@ TRACE_EVENT(rxrpc_call,
TP_ARGS(call, op, usage, where, aux),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(int, op )
__field(int, usage )
__field(const void *, where )
......@@ -506,14 +514,14 @@ TRACE_EVENT(rxrpc_call,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->op = op;
__entry->usage = usage;
__entry->where = where;
__entry->aux = aux;
),
TP_printk("c=%p %s u=%d sp=%pSR a=%p",
TP_printk("c=%08x %s u=%d sp=%pSR a=%p",
__entry->call,
__print_symbolic(__entry->op, rxrpc_call_traces),
__entry->usage,
......@@ -592,12 +600,13 @@ TRACE_EVENT(rxrpc_rx_done,
);
TRACE_EVENT(rxrpc_abort,
TP_PROTO(const char *why, u32 cid, u32 call_id, rxrpc_seq_t seq,
int abort_code, int error),
TP_PROTO(unsigned int call_nr, const char *why, u32 cid, u32 call_id,
rxrpc_seq_t seq, int abort_code, int error),
TP_ARGS(why, cid, call_id, seq, abort_code, error),
TP_ARGS(call_nr, why, cid, call_id, seq, abort_code, error),
TP_STRUCT__entry(
__field(unsigned int, call_nr )
__array(char, why, 4 )
__field(u32, cid )
__field(u32, call_id )
......@@ -608,6 +617,7 @@ TRACE_EVENT(rxrpc_abort,
TP_fast_assign(
memcpy(__entry->why, why, 4);
__entry->call_nr = call_nr;
__entry->cid = cid;
__entry->call_id = call_id;
__entry->abort_code = abort_code;
......@@ -615,18 +625,45 @@ TRACE_EVENT(rxrpc_abort,
__entry->seq = seq;
),
TP_printk("%08x:%08x s=%u a=%d e=%d %s",
TP_printk("c=%08x %08x:%08x s=%u a=%d e=%d %s",
__entry->call_nr,
__entry->cid, __entry->call_id, __entry->seq,
__entry->abort_code, __entry->error, __entry->why)
);
TRACE_EVENT(rxrpc_call_complete,
TP_PROTO(struct rxrpc_call *call),
TP_ARGS(call),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(enum rxrpc_call_completion, compl )
__field(int, error )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->compl = call->completion;
__entry->error = call->error;
__entry->abort_code = call->abort_code;
),
TP_printk("c=%08x %s r=%d ac=%d",
__entry->call,
__print_symbolic(__entry->compl, rxrpc_completions),
__entry->error,
__entry->abort_code)
);
TRACE_EVENT(rxrpc_transmit,
TP_PROTO(struct rxrpc_call *call, enum rxrpc_transmit_trace why),
TP_ARGS(call, why),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_transmit_trace, why )
__field(rxrpc_seq_t, tx_hard_ack )
__field(rxrpc_seq_t, tx_top )
......@@ -634,14 +671,14 @@ TRACE_EVENT(rxrpc_transmit,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->why = why;
__entry->tx_hard_ack = call->tx_hard_ack;
__entry->tx_top = call->tx_top;
__entry->tx_winsize = call->tx_winsize;
),
TP_printk("c=%p %s f=%08x n=%u/%u",
TP_printk("c=%08x %s f=%08x n=%u/%u",
__entry->call,
__print_symbolic(__entry->why, rxrpc_transmit_traces),
__entry->tx_hard_ack + 1,
......@@ -656,7 +693,7 @@ TRACE_EVENT(rxrpc_rx_data,
TP_ARGS(call, seq, serial, flags, anno),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_seq_t, seq )
__field(rxrpc_serial_t, serial )
__field(u8, flags )
......@@ -664,14 +701,14 @@ TRACE_EVENT(rxrpc_rx_data,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->seq = seq;
__entry->serial = serial;
__entry->flags = flags;
__entry->anno = anno;
),
TP_printk("c=%p DATA %08x q=%08x fl=%02x a=%02x",
TP_printk("c=%08x DATA %08x q=%08x fl=%02x a=%02x",
__entry->call,
__entry->serial,
__entry->seq,
......@@ -687,7 +724,7 @@ TRACE_EVENT(rxrpc_rx_ack,
TP_ARGS(call, serial, ack_serial, first, prev, reason, n_acks),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_serial_t, serial )
__field(rxrpc_serial_t, ack_serial )
__field(rxrpc_seq_t, first )
......@@ -697,7 +734,7 @@ TRACE_EVENT(rxrpc_rx_ack,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->serial = serial;
__entry->ack_serial = ack_serial;
__entry->first = first;
......@@ -706,7 +743,7 @@ TRACE_EVENT(rxrpc_rx_ack,
__entry->n_acks = n_acks;
),
TP_printk("c=%p %08x %s r=%08x f=%08x p=%08x n=%u",
TP_printk("c=%08x %08x %s r=%08x f=%08x p=%08x n=%u",
__entry->call,
__entry->serial,
__print_symbolic(__entry->reason, rxrpc_ack_names),
......@@ -723,18 +760,18 @@ TRACE_EVENT(rxrpc_rx_abort,
TP_ARGS(call, serial, abort_code),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_serial_t, serial )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->serial = serial;
__entry->abort_code = abort_code;
),
TP_printk("c=%p ABORT %08x ac=%d",
TP_printk("c=%08x ABORT %08x ac=%d",
__entry->call,
__entry->serial,
__entry->abort_code)
......@@ -747,20 +784,20 @@ TRACE_EVENT(rxrpc_rx_rwind_change,
TP_ARGS(call, serial, rwind, wake),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_serial_t, serial )
__field(u32, rwind )
__field(bool, wake )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->serial = serial;
__entry->rwind = rwind;
__entry->wake = wake;
),
TP_printk("c=%p %08x rw=%u%s",
TP_printk("c=%08x %08x rw=%u%s",
__entry->call,
__entry->serial,
__entry->rwind,
......@@ -774,7 +811,7 @@ TRACE_EVENT(rxrpc_tx_data,
TP_ARGS(call, seq, serial, flags, retrans, lose),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_seq_t, seq )
__field(rxrpc_serial_t, serial )
__field(u8, flags )
......@@ -783,7 +820,7 @@ TRACE_EVENT(rxrpc_tx_data,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->seq = seq;
__entry->serial = serial;
__entry->flags = flags;
......@@ -791,7 +828,7 @@ TRACE_EVENT(rxrpc_tx_data,
__entry->lose = lose;
),
TP_printk("c=%p DATA %08x q=%08x fl=%02x%s%s",
TP_printk("c=%08x DATA %08x q=%08x fl=%02x%s%s",
__entry->call,
__entry->serial,
__entry->seq,
......@@ -808,7 +845,7 @@ TRACE_EVENT(rxrpc_tx_ack,
TP_ARGS(call, serial, ack_first, ack_serial, reason, n_acks),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_serial_t, serial )
__field(rxrpc_seq_t, ack_first )
__field(rxrpc_serial_t, ack_serial )
......@@ -817,7 +854,7 @@ TRACE_EVENT(rxrpc_tx_ack,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call ? call->debug_id : 0;
__entry->serial = serial;
__entry->ack_first = ack_first;
__entry->ack_serial = ack_serial;
......@@ -825,7 +862,7 @@ TRACE_EVENT(rxrpc_tx_ack,
__entry->n_acks = n_acks;
),
TP_printk(" c=%p ACK %08x %s f=%08x r=%08x n=%u",
TP_printk(" c=%08x ACK %08x %s f=%08x r=%08x n=%u",
__entry->call,
__entry->serial,
__print_symbolic(__entry->reason, rxrpc_ack_names),
......@@ -841,7 +878,7 @@ TRACE_EVENT(rxrpc_receive,
TP_ARGS(call, why, serial, seq),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_receive_trace, why )
__field(rxrpc_serial_t, serial )
__field(rxrpc_seq_t, seq )
......@@ -850,7 +887,7 @@ TRACE_EVENT(rxrpc_receive,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->why = why;
__entry->serial = serial;
__entry->seq = seq;
......@@ -858,7 +895,7 @@ TRACE_EVENT(rxrpc_receive,
__entry->top = call->rx_top;
),
TP_printk("c=%p %s r=%08x q=%08x w=%08x-%08x",
TP_printk("c=%08x %s r=%08x q=%08x w=%08x-%08x",
__entry->call,
__print_symbolic(__entry->why, rxrpc_receive_traces),
__entry->serial,
......@@ -875,7 +912,7 @@ TRACE_EVENT(rxrpc_recvmsg,
TP_ARGS(call, why, seq, offset, len, ret),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_recvmsg_trace, why )
__field(rxrpc_seq_t, seq )
__field(unsigned int, offset )
......@@ -884,7 +921,7 @@ TRACE_EVENT(rxrpc_recvmsg,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->why = why;
__entry->seq = seq;
__entry->offset = offset;
......@@ -892,7 +929,7 @@ TRACE_EVENT(rxrpc_recvmsg,
__entry->ret = ret;
),
TP_printk("c=%p %s q=%08x o=%u l=%u ret=%d",
TP_printk("c=%08x %s q=%08x o=%u l=%u ret=%d",
__entry->call,
__print_symbolic(__entry->why, rxrpc_recvmsg_traces),
__entry->seq,
......@@ -908,18 +945,18 @@ TRACE_EVENT(rxrpc_rtt_tx,
TP_ARGS(call, why, send_serial),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_rtt_tx_trace, why )
__field(rxrpc_serial_t, send_serial )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->why = why;
__entry->send_serial = send_serial;
),
TP_printk("c=%p %s sr=%08x",
TP_printk("c=%08x %s sr=%08x",
__entry->call,
__print_symbolic(__entry->why, rxrpc_rtt_tx_traces),
__entry->send_serial)
......@@ -933,7 +970,7 @@ TRACE_EVENT(rxrpc_rtt_rx,
TP_ARGS(call, why, send_serial, resp_serial, rtt, nr, avg),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_rtt_rx_trace, why )
__field(u8, nr )
__field(rxrpc_serial_t, send_serial )
......@@ -943,7 +980,7 @@ TRACE_EVENT(rxrpc_rtt_rx,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->why = why;
__entry->send_serial = send_serial;
__entry->resp_serial = resp_serial;
......@@ -952,7 +989,7 @@ TRACE_EVENT(rxrpc_rtt_rx,
__entry->avg = avg;
),
TP_printk("c=%p %s sr=%08x rr=%08x rtt=%lld nr=%u avg=%lld",
TP_printk("c=%08x %s sr=%08x rr=%08x rtt=%lld nr=%u avg=%lld",
__entry->call,
__print_symbolic(__entry->why, rxrpc_rtt_rx_traces),
__entry->send_serial,
......@@ -969,7 +1006,7 @@ TRACE_EVENT(rxrpc_timer,
TP_ARGS(call, why, now),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_timer_trace, why )
__field(long, now )
__field(long, ack_at )
......@@ -983,7 +1020,7 @@ TRACE_EVENT(rxrpc_timer,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->why = why;
__entry->now = now;
__entry->ack_at = call->ack_at;
......@@ -995,7 +1032,7 @@ TRACE_EVENT(rxrpc_timer,
__entry->timer = call->timer.expires;
),
TP_printk("c=%p %s a=%ld la=%ld r=%ld xr=%ld xq=%ld xt=%ld t=%ld",
TP_printk("c=%08x %s a=%ld la=%ld r=%ld xr=%ld xq=%ld xt=%ld t=%ld",
__entry->call,
__print_symbolic(__entry->why, rxrpc_timer_traces),
__entry->ack_at - __entry->now,
......@@ -1038,7 +1075,7 @@ TRACE_EVENT(rxrpc_propose_ack,
outcome),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_propose_ack_trace, why )
__field(rxrpc_serial_t, serial )
__field(u8, ack_reason )
......@@ -1048,7 +1085,7 @@ TRACE_EVENT(rxrpc_propose_ack,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->why = why;
__entry->serial = serial;
__entry->ack_reason = ack_reason;
......@@ -1057,7 +1094,7 @@ TRACE_EVENT(rxrpc_propose_ack,
__entry->outcome = outcome;
),
TP_printk("c=%p %s %s r=%08x i=%u b=%u%s",
TP_printk("c=%08x %s %s r=%08x i=%u b=%u%s",
__entry->call,
__print_symbolic(__entry->why, rxrpc_propose_ack_traces),
__print_symbolic(__entry->ack_reason, rxrpc_ack_names),
......@@ -1074,20 +1111,20 @@ TRACE_EVENT(rxrpc_retransmit,
TP_ARGS(call, seq, annotation, expiry),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_seq_t, seq )
__field(u8, annotation )
__field(s64, expiry )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->seq = seq;
__entry->annotation = annotation;
__entry->expiry = expiry;
),
TP_printk("c=%p q=%x a=%02x xp=%lld",
TP_printk("c=%08x q=%x a=%02x xp=%lld",
__entry->call,
__entry->seq,
__entry->annotation,
......@@ -1101,7 +1138,7 @@ TRACE_EVENT(rxrpc_congest,
TP_ARGS(call, summary, ack_serial, change),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(enum rxrpc_congest_change, change )
__field(rxrpc_seq_t, hard_ack )
__field(rxrpc_seq_t, top )
......@@ -1111,7 +1148,7 @@ TRACE_EVENT(rxrpc_congest,
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->change = change;
__entry->hard_ack = call->tx_hard_ack;
__entry->top = call->tx_top;
......@@ -1120,7 +1157,7 @@ TRACE_EVENT(rxrpc_congest,
memcpy(&__entry->sum, summary, sizeof(__entry->sum));
),
TP_printk("c=%p r=%08x %s q=%08x %s cw=%u ss=%u nr=%u,%u nw=%u,%u r=%u b=%u u=%u d=%u l=%x%s%s%s",
TP_printk("c=%08x r=%08x %s q=%08x %s cw=%u ss=%u nr=%u,%u nw=%u,%u r=%u b=%u u=%u d=%u l=%x%s%s%s",
__entry->call,
__entry->ack_serial,
__print_symbolic(__entry->sum.ack_reason, rxrpc_ack_names),
......@@ -1145,16 +1182,16 @@ TRACE_EVENT(rxrpc_disconnect_call,
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->abort_code = call->abort_code;
),
TP_printk("c=%p ab=%08x",
TP_printk("c=%08x ab=%08x",
__entry->call,
__entry->abort_code)
);
......@@ -1165,16 +1202,16 @@ TRACE_EVENT(rxrpc_improper_term,
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->abort_code = call->abort_code;
),
TP_printk("c=%p ab=%08x",
TP_printk("c=%08x ab=%08x",
__entry->call,
__entry->abort_code)
);
......@@ -1186,18 +1223,18 @@ TRACE_EVENT(rxrpc_rx_eproto,
TP_ARGS(call, serial, why),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(rxrpc_serial_t, serial )
__field(const char *, why )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->serial = serial;
__entry->why = why;
),
TP_printk("c=%p EPROTO %08x %s",
TP_printk("c=%08x EPROTO %08x %s",
__entry->call,
__entry->serial,
__entry->why)
......@@ -1209,26 +1246,49 @@ TRACE_EVENT(rxrpc_connect_call,
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(unsigned int, call )
__field(unsigned long, user_call_ID )
__field(u32, cid )
__field(u32, call_id )
),
TP_fast_assign(
__entry->call = call;
__entry->call = call->debug_id;
__entry->user_call_ID = call->user_call_ID;
__entry->cid = call->cid;
__entry->call_id = call->call_id;
),
TP_printk("c=%p u=%p %08x:%08x",
TP_printk("c=%08x u=%p %08x:%08x",
__entry->call,
(void *)__entry->user_call_ID,
__entry->cid,
__entry->call_id)
);
TRACE_EVENT(rxrpc_resend,
TP_PROTO(struct rxrpc_call *call, int ix),
TP_ARGS(call, ix),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(int, ix )
__array(u8, anno, 64 )
),
TP_fast_assign(
__entry->call = call->debug_id;
__entry->ix = ix;
memcpy(__entry->anno, call->rxtx_annotations, 64);
),
TP_printk("c=%08x ix=%u a=%64phN",
__entry->call,
__entry->ix,
__entry->anno)
);
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */
......
net/rxrpc/af_rxrpc.c
View file @ 36fc2d72
......@@ -40,6 +40,7 @@ static const struct proto_ops rxrpc_rpc_ops;
/* current debugging ID */
atomic_t rxrpc_debug_id;
EXPORT_SYMBOL(rxrpc_debug_id);
/* count of skbs currently in use */
atomic_t rxrpc_n_tx_skbs, rxrpc_n_rx_skbs;
......@@ -267,6 +268,7 @@ static int rxrpc_listen(struct socket *sock, int backlog)
* @gfp: The allocation constraints
* @notify_rx: Where to send notifications instead of socket queue
* @upgrade: Request service upgrade for call
* @debug_id: The debug ID for tracing to be assigned to the call
*
* Allow a kernel service to begin a call on the nominated socket. This just
* sets up all the internal tracking structures and allocates connection and
......@@ -282,7 +284,8 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
s64 tx_total_len,
gfp_t gfp,
rxrpc_notify_rx_t notify_rx,
bool upgrade)
bool upgrade,
unsigned int debug_id)
{
struct rxrpc_conn_parameters cp;
struct rxrpc_call_params p;
......@@ -314,7 +317,7 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
cp.exclusive = false;
cp.upgrade = upgrade;
cp.service_id = srx->srx_service;
call = rxrpc_new_client_call(rx, &cp, srx, &p, gfp);
call = rxrpc_new_client_call(rx, &cp, srx, &p, gfp, debug_id);
/* The socket has been unlocked. */
if (!IS_ERR(call)) {
call->notify_rx = notify_rx;
......
net/rxrpc/ar-internal.h
View file @ 36fc2d72
......@@ -691,7 +691,6 @@ struct rxrpc_send_params {
* af_rxrpc.c
*/
extern atomic_t rxrpc_n_tx_skbs, rxrpc_n_rx_skbs;
extern atomic_t rxrpc_debug_id;
extern struct workqueue_struct *rxrpc_workqueue;
/*
......@@ -732,11 +731,12 @@ extern unsigned int rxrpc_max_call_lifetime;
extern struct kmem_cache *rxrpc_call_jar;
struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *, unsigned long);
struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *, gfp_t);
struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *, gfp_t, unsigned int);
struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *,
struct rxrpc_conn_parameters *,
struct sockaddr_rxrpc *,
struct rxrpc_call_params *, gfp_t);
struct rxrpc_call_params *, gfp_t,
unsigned int);
int rxrpc_retry_client_call(struct rxrpc_sock *,
struct rxrpc_call *,
struct rxrpc_conn_parameters *,
......@@ -778,6 +778,7 @@ static inline bool __rxrpc_set_call_completion(struct rxrpc_call *call,
call->error = error;
call->completion = compl,
call->state = RXRPC_CALL_COMPLETE;
trace_rxrpc_call_complete(call);
wake_up(&call->waitq);
return true;
}
......@@ -822,7 +823,7 @@ static inline bool __rxrpc_abort_call(const char *why, struct rxrpc_call *call,
rxrpc_seq_t seq,
u32 abort_code, int error)
{
trace_rxrpc_abort(why, call->cid, call->call_id, seq,
trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq,
abort_code, error);
return __rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED,
abort_code, error);
......
net/rxrpc/call_accept.c
View file @ 36fc2d72
......@@ -34,7 +34,8 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
struct rxrpc_backlog *b,
rxrpc_notify_rx_t notify_rx,
rxrpc_user_attach_call_t user_attach_call,
unsigned long user_call_ID, gfp_t gfp)
unsigned long user_call_ID, gfp_t gfp,
unsigned int debug_id)
{
const void *here = __builtin_return_address(0);
struct rxrpc_call *call;
......@@ -94,7 +95,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
/* Now it gets complicated, because calls get registered with the
* socket here, particularly if a user ID is preassigned by the user.
*/
call = rxrpc_alloc_call(rx, gfp);
call = rxrpc_alloc_call(rx, gfp, debug_id);
if (!call)
return -ENOMEM;
call->flags |= (1 << RXRPC_CALL_IS_SERVICE);
......@@ -174,7 +175,8 @@ int rxrpc_service_prealloc(struct rxrpc_sock *rx, gfp_t gfp)
if (rx->discard_new_call)
return 0;
while (rxrpc_service_prealloc_one(rx, b, NULL, NULL, 0, gfp) == 0)
while (rxrpc_service_prealloc_one(rx, b, NULL, NULL, 0, gfp,
atomic_inc_return(&rxrpc_debug_id)) == 0)
;
return 0;
......@@ -347,7 +349,7 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local,
service_id == rx->second_service))
goto found_service;
trace_rxrpc_abort("INV", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
trace_rxrpc_abort(0, "INV", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
RX_INVALID_OPERATION, EOPNOTSUPP);
skb->mark = RXRPC_SKB_MARK_LOCAL_ABORT;
skb->priority = RX_INVALID_OPERATION;
......@@ -358,7 +360,7 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local,
spin_lock(&rx->incoming_lock);
if (rx->sk.sk_state == RXRPC_SERVER_LISTEN_DISABLED ||
rx->sk.sk_state == RXRPC_CLOSE) {
trace_rxrpc_abort("CLS", sp->hdr.cid, sp->hdr.callNumber,
trace_rxrpc_abort(0, "CLS", sp->hdr.cid, sp->hdr.callNumber,
sp->hdr.seq, RX_INVALID_OPERATION, ESHUTDOWN);
skb->mark = RXRPC_SKB_MARK_LOCAL_ABORT;
skb->priority = RX_INVALID_OPERATION;
......@@ -635,6 +637,7 @@ int rxrpc_reject_call(struct rxrpc_sock *rx)
* @user_attach_call: Func to attach call to user_call_ID
* @user_call_ID: The tag to attach to the preallocated call
* @gfp: The allocation conditions.
* @debug_id: The tracing debug ID.
*
* Charge up the socket with preallocated calls, each with a user ID. A
* function should be provided to effect the attachment from the user's side.
......@@ -645,7 +648,8 @@ int rxrpc_reject_call(struct rxrpc_sock *rx)
int rxrpc_kernel_charge_accept(struct socket *sock,
rxrpc_notify_rx_t notify_rx,
rxrpc_user_attach_call_t user_attach_call,
unsigned long user_call_ID, gfp_t gfp)
unsigned long user_call_ID, gfp_t gfp,
unsigned int debug_id)
{
struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
struct rxrpc_backlog *b = rx->backlog;
......@@ -655,6 +659,6 @@ int rxrpc_kernel_charge_accept(struct socket *sock,
return rxrpc_service_prealloc_one(rx, b, notify_rx,
user_attach_call, user_call_ID,
gfp);
gfp, debug_id);
}
EXPORT_SYMBOL(rxrpc_kernel_charge_accept);
net/rxrpc/call_event.c
View file @ 36fc2d72
......@@ -195,6 +195,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
* the packets in the Tx buffer we're going to resend and what the new
* resend timeout will be.
*/
trace_rxrpc_resend(call, (cursor + 1) & RXRPC_RXTX_BUFF_MASK);
oldest = now;
for (seq = cursor + 1; before_eq(seq, top); seq++) {
ix = seq & RXRPC_RXTX_BUFF_MASK;
......
net/rxrpc/call_object.c
View file @ 36fc2d72
......@@ -99,7 +99,8 @@ struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *rx,
/*
* allocate a new call
*/
struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp)
struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp,
unsigned int debug_id)
{
struct rxrpc_call *call;
......@@ -138,7 +139,7 @@ struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp)
spin_lock_init(&call->notify_lock);
rwlock_init(&call->state_lock);
atomic_set(&call->usage, 1);
call->debug_id = atomic_inc_return(&rxrpc_debug_id);
call->debug_id = debug_id;
call->tx_total_len = -1;
call->next_rx_timo = 20 * HZ;
call->next_req_timo = 1 * HZ;
......@@ -166,14 +167,15 @@ struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp)
*/
static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx,
struct sockaddr_rxrpc *srx,
gfp_t gfp)
gfp_t gfp,
unsigned int debug_id)
{
struct rxrpc_call *call;
ktime_t now;
_enter("");
call = rxrpc_alloc_call(rx, gfp);
call = rxrpc_alloc_call(rx, gfp, debug_id);
if (!call)
return ERR_PTR(-ENOMEM);
call->state = RXRPC_CALL_CLIENT_AWAIT_CONN;
......@@ -214,7 +216,8 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
struct rxrpc_conn_parameters *cp,
struct sockaddr_rxrpc *srx,
struct rxrpc_call_params *p,
gfp_t gfp)
gfp_t gfp,
unsigned int debug_id)
__releases(&rx->sk.sk_lock.slock)
{
struct rxrpc_call *call, *xcall;
......@@ -225,7 +228,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
_enter("%p,%lx", rx, p->user_call_ID);
call = rxrpc_alloc_client_call(rx, srx, gfp);
call = rxrpc_alloc_client_call(rx, srx, gfp, debug_id);
if (IS_ERR(call)) {
release_sock(&rx->sk);
_leave(" = %ld", PTR_ERR(call));
......
net/rxrpc/conn_event.c
View file @ 36fc2d72
......@@ -160,7 +160,8 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn,
lockdep_is_held(&conn->channel_lock));
if (call) {
if (compl == RXRPC_CALL_LOCALLY_ABORTED)
trace_rxrpc_abort("CON", call->cid,
trace_rxrpc_abort(call->debug_id,
"CON", call->cid,
call->call_id, 0,
abort_code, error);
if (rxrpc_set_call_completion(call, compl,
......
net/rxrpc/input.c
View file @ 36fc2d72
......@@ -1307,21 +1307,21 @@ void rxrpc_data_ready(struct sock *udp_sk)
wrong_security:
rcu_read_unlock();
trace_rxrpc_abort("SEC", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
trace_rxrpc_abort(0, "SEC", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
RXKADINCONSISTENCY, EBADMSG);
skb->priority = RXKADINCONSISTENCY;
goto post_abort;
reupgrade:
rcu_read_unlock();
trace_rxrpc_abort("UPG", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
trace_rxrpc_abort(0, "UPG", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
RX_PROTOCOL_ERROR, EBADMSG);
goto protocol_error;
bad_message_unlock:
rcu_read_unlock();
bad_message:
trace_rxrpc_abort("BAD", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
trace_rxrpc_abort(0, "BAD", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
RX_PROTOCOL_ERROR, EBADMSG);
protocol_error:
skb->priority = RX_PROTOCOL_ERROR;
......
net/rxrpc/sendmsg.c
View file @ 36fc2d72
......@@ -579,7 +579,8 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg,
cp.exclusive = rx->exclusive | p->exclusive;
cp.upgrade = p->upgrade;
cp.service_id = srx->srx_service;
call = rxrpc_new_client_call(rx, &cp, srx, &p->call, GFP_KERNEL);
call = rxrpc_new_client_call(rx, &cp, srx, &p->call, GFP_KERNEL,
atomic_inc_return(&rxrpc_debug_id));
/* The socket is now unlocked */
_leave(" = %p\n", call);
......
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