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RxRPC rewrite

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Merge tag 'rxrpc-rewrite-20170105' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

David Howells says:

====================
rxrpc: Update tracing and proc interfaces

This set of patches fixes and extends tracing:

 (1) Fix the handling of enum-to-string translations so that external
     tracing tools can make use of it by using TRACE_DEFINE_ENUM.

 (2) Extend a couple of tracepoints to export some extra available
     information and add three new tracepoints to allow monitoring of
     received DATA packets, call disconnection and improper/implicit call
     termination.

and adds a bit more procfs-exported information:

 (3) Show a call's hard-ACK cursors in /proc/net/rxrpc_calls.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-01-05 12:43:28 -05:00
commit 37e65dc184
8 changed files with 506 additions and 411 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

520
include/trace/events/rxrpc.h
View File

@ -16,6 +16,386 @@
#include <linux/tracepoint.h>
/*
* Define enums for tracing information.
*
* These should all be kept sorted, making it easier to match the string
* mapping tables further on.
*/
#ifndef __RXRPC_DECLARE_TRACE_ENUMS_ONCE_ONLY
#define __RXRPC_DECLARE_TRACE_ENUMS_ONCE_ONLY
enum rxrpc_skb_trace {
rxrpc_skb_rx_cleaned,
rxrpc_skb_rx_freed,
rxrpc_skb_rx_got,
rxrpc_skb_rx_lost,
rxrpc_skb_rx_purged,
rxrpc_skb_rx_received,
rxrpc_skb_rx_rotated,
rxrpc_skb_rx_seen,
rxrpc_skb_tx_cleaned,
rxrpc_skb_tx_freed,
rxrpc_skb_tx_got,
rxrpc_skb_tx_new,
rxrpc_skb_tx_rotated,
rxrpc_skb_tx_seen,
};
enum rxrpc_conn_trace {
rxrpc_conn_got,
rxrpc_conn_new_client,
rxrpc_conn_new_service,
rxrpc_conn_put_client,
rxrpc_conn_put_service,
rxrpc_conn_queued,
rxrpc_conn_seen,
};
enum rxrpc_client_trace {
rxrpc_client_activate_chans,
rxrpc_client_alloc,
rxrpc_client_chan_activate,
rxrpc_client_chan_disconnect,
rxrpc_client_chan_pass,
rxrpc_client_chan_unstarted,
rxrpc_client_cleanup,
rxrpc_client_count,
rxrpc_client_discard,
rxrpc_client_duplicate,
rxrpc_client_exposed,
rxrpc_client_replace,
rxrpc_client_to_active,
rxrpc_client_to_culled,
rxrpc_client_to_idle,
rxrpc_client_to_inactive,
rxrpc_client_to_upgrade,
rxrpc_client_to_waiting,
rxrpc_client_uncount,
};
enum rxrpc_call_trace {
rxrpc_call_connected,
rxrpc_call_error,
rxrpc_call_got,
rxrpc_call_got_kernel,
rxrpc_call_got_userid,
rxrpc_call_new_client,
rxrpc_call_new_service,
rxrpc_call_put,
rxrpc_call_put_kernel,
rxrpc_call_put_noqueue,
rxrpc_call_put_userid,
rxrpc_call_queued,
rxrpc_call_queued_ref,
rxrpc_call_release,
rxrpc_call_seen,
};
enum rxrpc_transmit_trace {
rxrpc_transmit_await_reply,
rxrpc_transmit_end,
rxrpc_transmit_queue,
rxrpc_transmit_queue_last,
rxrpc_transmit_rotate,
rxrpc_transmit_rotate_last,
rxrpc_transmit_wait,
};
enum rxrpc_receive_trace {
rxrpc_receive_end,
rxrpc_receive_front,
rxrpc_receive_incoming,
rxrpc_receive_queue,
rxrpc_receive_queue_last,
rxrpc_receive_rotate,
};
enum rxrpc_recvmsg_trace {
rxrpc_recvmsg_cont,
rxrpc_recvmsg_data_return,
rxrpc_recvmsg_dequeue,
rxrpc_recvmsg_enter,
rxrpc_recvmsg_full,
rxrpc_recvmsg_hole,
rxrpc_recvmsg_next,
rxrpc_recvmsg_return,
rxrpc_recvmsg_terminal,
rxrpc_recvmsg_to_be_accepted,
rxrpc_recvmsg_wait,
};
enum rxrpc_rtt_tx_trace {
rxrpc_rtt_tx_data,
rxrpc_rtt_tx_ping,
};
enum rxrpc_rtt_rx_trace {
rxrpc_rtt_rx_ping_response,
rxrpc_rtt_rx_requested_ack,
};
enum rxrpc_timer_trace {
rxrpc_timer_begin,
rxrpc_timer_expired,
rxrpc_timer_init_for_reply,
rxrpc_timer_init_for_send_reply,
rxrpc_timer_set_for_ack,
rxrpc_timer_set_for_ping,
rxrpc_timer_set_for_resend,
rxrpc_timer_set_for_send,
};
enum rxrpc_propose_ack_trace {
rxrpc_propose_ack_client_tx_end,
rxrpc_propose_ack_input_data,
rxrpc_propose_ack_ping_for_lost_ack,
rxrpc_propose_ack_ping_for_lost_reply,
rxrpc_propose_ack_ping_for_params,
rxrpc_propose_ack_processing_op,
rxrpc_propose_ack_respond_to_ack,
rxrpc_propose_ack_respond_to_ping,
rxrpc_propose_ack_retry_tx,
rxrpc_propose_ack_rotate_rx,
rxrpc_propose_ack_terminal_ack,
};
enum rxrpc_propose_ack_outcome {
rxrpc_propose_ack_subsume,
rxrpc_propose_ack_update,
rxrpc_propose_ack_use,
};
enum rxrpc_congest_change {
rxrpc_cong_begin_retransmission,
rxrpc_cong_cleared_nacks,
rxrpc_cong_new_low_nack,
rxrpc_cong_no_change,
rxrpc_cong_progress,
rxrpc_cong_retransmit_again,
rxrpc_cong_rtt_window_end,
rxrpc_cong_saw_nack,
};
#endif /* end __RXRPC_DECLARE_TRACE_ENUMS_ONCE_ONLY */
/*
* Declare tracing information enums and their string mappings for display.
*/
#define rxrpc_skb_traces \
EM(rxrpc_skb_rx_cleaned, "Rx CLN") \
EM(rxrpc_skb_rx_freed, "Rx FRE") \
EM(rxrpc_skb_rx_got, "Rx GOT") \
EM(rxrpc_skb_rx_lost, "Rx *L*") \
EM(rxrpc_skb_rx_purged, "Rx PUR") \
EM(rxrpc_skb_rx_received, "Rx RCV") \
EM(rxrpc_skb_rx_rotated, "Rx ROT") \
EM(rxrpc_skb_rx_seen, "Rx SEE") \
EM(rxrpc_skb_tx_cleaned, "Tx CLN") \
EM(rxrpc_skb_tx_freed, "Tx FRE") \
EM(rxrpc_skb_tx_got, "Tx GOT") \
EM(rxrpc_skb_tx_new, "Tx NEW") \
EM(rxrpc_skb_tx_rotated, "Tx ROT") \
E_(rxrpc_skb_tx_seen, "Tx SEE")
#define rxrpc_conn_traces \
EM(rxrpc_conn_got, "GOT") \
EM(rxrpc_conn_new_client, "NWc") \
EM(rxrpc_conn_new_service, "NWs") \
EM(rxrpc_conn_put_client, "PTc") \
EM(rxrpc_conn_put_service, "PTs") \
EM(rxrpc_conn_queued, "QUE") \
E_(rxrpc_conn_seen, "SEE")
#define rxrpc_client_traces \
EM(rxrpc_client_activate_chans, "Activa") \
EM(rxrpc_client_alloc, "Alloc ") \
EM(rxrpc_client_chan_activate, "ChActv") \
EM(rxrpc_client_chan_disconnect, "ChDisc") \
EM(rxrpc_client_chan_pass, "ChPass") \
EM(rxrpc_client_chan_unstarted, "ChUnst") \
EM(rxrpc_client_cleanup, "Clean ") \
EM(rxrpc_client_count, "Count ") \
EM(rxrpc_client_discard, "Discar") \
EM(rxrpc_client_duplicate, "Duplic") \
EM(rxrpc_client_exposed, "Expose") \
EM(rxrpc_client_replace, "Replac") \
EM(rxrpc_client_to_active, "->Actv") \
EM(rxrpc_client_to_culled, "->Cull") \
EM(rxrpc_client_to_idle, "->Idle") \
EM(rxrpc_client_to_inactive, "->Inac") \
EM(rxrpc_client_to_upgrade, "->Upgd") \
EM(rxrpc_client_to_waiting, "->Wait") \
E_(rxrpc_client_uncount, "Uncoun")
#define rxrpc_conn_cache_states \
EM(RXRPC_CONN_CLIENT_INACTIVE, "Inac") \
EM(RXRPC_CONN_CLIENT_WAITING, "Wait") \
EM(RXRPC_CONN_CLIENT_ACTIVE, "Actv") \
EM(RXRPC_CONN_CLIENT_CULLED, "Cull") \
E_(RXRPC_CONN_CLIENT_IDLE, "Idle") \
#define rxrpc_call_traces \
EM(rxrpc_call_connected, "CON") \
EM(rxrpc_call_error, "*E*") \
EM(rxrpc_call_got, "GOT") \
EM(rxrpc_call_got_kernel, "Gke") \
EM(rxrpc_call_got_userid, "Gus") \
EM(rxrpc_call_new_client, "NWc") \
EM(rxrpc_call_new_service, "NWs") \
EM(rxrpc_call_put, "PUT") \
EM(rxrpc_call_put_kernel, "Pke") \
EM(rxrpc_call_put_noqueue, "PNQ") \
EM(rxrpc_call_put_userid, "Pus") \
EM(rxrpc_call_queued, "QUE") \
EM(rxrpc_call_queued_ref, "QUR") \
EM(rxrpc_call_release, "RLS") \
E_(rxrpc_call_seen, "SEE")
#define rxrpc_transmit_traces \
EM(rxrpc_transmit_await_reply, "AWR") \
EM(rxrpc_transmit_end, "END") \
EM(rxrpc_transmit_queue, "QUE") \
EM(rxrpc_transmit_queue_last, "QLS") \
EM(rxrpc_transmit_rotate, "ROT") \
EM(rxrpc_transmit_rotate_last, "RLS") \
E_(rxrpc_transmit_wait, "WAI")
#define rxrpc_receive_traces \
EM(rxrpc_receive_end, "END") \
EM(rxrpc_receive_front, "FRN") \
EM(rxrpc_receive_incoming, "INC") \
EM(rxrpc_receive_queue, "QUE") \
EM(rxrpc_receive_queue_last, "QLS") \
E_(rxrpc_receive_rotate, "ROT")
#define rxrpc_recvmsg_traces \
EM(rxrpc_recvmsg_cont, "CONT") \
EM(rxrpc_recvmsg_data_return, "DATA") \
EM(rxrpc_recvmsg_dequeue, "DEQU") \
EM(rxrpc_recvmsg_enter, "ENTR") \
EM(rxrpc_recvmsg_full, "FULL") \
EM(rxrpc_recvmsg_hole, "HOLE") \
EM(rxrpc_recvmsg_next, "NEXT") \
EM(rxrpc_recvmsg_return, "RETN") \
EM(rxrpc_recvmsg_terminal, "TERM") \
EM(rxrpc_recvmsg_to_be_accepted, "TBAC") \
E_(rxrpc_recvmsg_wait, "WAIT")
#define rxrpc_rtt_tx_traces \
EM(rxrpc_rtt_tx_data, "DATA") \
E_(rxrpc_rtt_tx_ping, "PING")
#define rxrpc_rtt_rx_traces \
EM(rxrpc_rtt_rx_ping_response, "PONG") \
E_(rxrpc_rtt_rx_requested_ack, "RACK")
#define rxrpc_timer_traces \
EM(rxrpc_timer_begin, "Begin ") \
EM(rxrpc_timer_expired, "*EXPR*") \
EM(rxrpc_timer_init_for_reply, "IniRpl") \
EM(rxrpc_timer_init_for_send_reply, "SndRpl") \
EM(rxrpc_timer_set_for_ack, "SetAck") \
EM(rxrpc_timer_set_for_ping, "SetPng") \
EM(rxrpc_timer_set_for_resend, "SetRTx") \
E_(rxrpc_timer_set_for_send, "SetTx ")
#define rxrpc_propose_ack_traces \
EM(rxrpc_propose_ack_client_tx_end, "ClTxEnd") \
EM(rxrpc_propose_ack_input_data, "DataIn ") \
EM(rxrpc_propose_ack_ping_for_lost_ack, "LostAck") \
EM(rxrpc_propose_ack_ping_for_lost_reply, "LostRpl") \
EM(rxrpc_propose_ack_ping_for_params, "Params ") \
EM(rxrpc_propose_ack_processing_op, "ProcOp ") \
EM(rxrpc_propose_ack_respond_to_ack, "Rsp2Ack") \
EM(rxrpc_propose_ack_respond_to_ping, "Rsp2Png") \
EM(rxrpc_propose_ack_retry_tx, "RetryTx") \
EM(rxrpc_propose_ack_rotate_rx, "RxAck ") \
E_(rxrpc_propose_ack_terminal_ack, "ClTerm ")
#define rxrpc_propose_ack_outcomes \
EM(rxrpc_propose_ack_subsume, " Subsume") \
EM(rxrpc_propose_ack_update, " Update") \
E_(rxrpc_propose_ack_use, "")
#define rxrpc_congest_modes \
EM(RXRPC_CALL_CONGEST_AVOIDANCE, "CongAvoid") \
EM(RXRPC_CALL_FAST_RETRANSMIT, "FastReTx ") \
EM(RXRPC_CALL_PACKET_LOSS, "PktLoss ") \
E_(RXRPC_CALL_SLOW_START, "SlowStart")
#define rxrpc_congest_changes \
EM(rxrpc_cong_begin_retransmission, " Retrans") \
EM(rxrpc_cong_cleared_nacks, " Cleared") \
EM(rxrpc_cong_new_low_nack, " NewLowN") \
EM(rxrpc_cong_no_change, "") \
EM(rxrpc_cong_progress, " Progres") \
EM(rxrpc_cong_retransmit_again, " ReTxAgn") \
EM(rxrpc_cong_rtt_window_end, " RttWinE") \
E_(rxrpc_cong_saw_nack, " SawNack")
#define rxrpc_pkts \
EM(0, "?00") \
EM(RXRPC_PACKET_TYPE_DATA, "DATA") \
EM(RXRPC_PACKET_TYPE_ACK, "ACK") \
EM(RXRPC_PACKET_TYPE_BUSY, "BUSY") \
EM(RXRPC_PACKET_TYPE_ABORT, "ABORT") \
EM(RXRPC_PACKET_TYPE_ACKALL, "ACKALL") \
EM(RXRPC_PACKET_TYPE_CHALLENGE, "CHALL") \
EM(RXRPC_PACKET_TYPE_RESPONSE, "RESP") \
EM(RXRPC_PACKET_TYPE_DEBUG, "DEBUG") \
EM(9, "?09") \
EM(10, "?10") \
EM(11, "?11") \
EM(12, "?12") \
EM(RXRPC_PACKET_TYPE_VERSION, "VERSION") \
EM(14, "?14") \
E_(15, "?15")
#define rxrpc_ack_names \
EM(0, "-0-") \
EM(RXRPC_ACK_REQUESTED, "REQ") \
EM(RXRPC_ACK_DUPLICATE, "DUP") \
EM(RXRPC_ACK_OUT_OF_SEQUENCE, "OOS") \
EM(RXRPC_ACK_EXCEEDS_WINDOW, "WIN") \
EM(RXRPC_ACK_NOSPACE, "MEM") \
EM(RXRPC_ACK_PING, "PNG") \
EM(RXRPC_ACK_PING_RESPONSE, "PNR") \
EM(RXRPC_ACK_DELAY, "DLY") \
EM(RXRPC_ACK_IDLE, "IDL") \
E_(RXRPC_ACK__INVALID, "-?-")
/*
* Export enum symbols via userspace.
*/
#undef EM
#undef E_
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define E_(a, b) TRACE_DEFINE_ENUM(a);
rxrpc_skb_traces;
rxrpc_conn_traces;
rxrpc_client_traces;
rxrpc_call_traces;
rxrpc_transmit_traces;
rxrpc_receive_traces;
rxrpc_recvmsg_traces;
rxrpc_rtt_tx_traces;
rxrpc_rtt_rx_traces;
rxrpc_timer_traces;
rxrpc_propose_ack_traces;
rxrpc_propose_ack_outcomes;
rxrpc_congest_changes;
/*
* Now redefine the EM() and E_() macros to map the enums to the strings that
* will be printed in the output.
*/
#undef EM
#undef E_
#define EM(a, b) { a, b },
#define E_(a, b) { a, b }
TRACE_EVENT(rxrpc_conn,
TP_PROTO(struct rxrpc_connection *conn, enum rxrpc_conn_trace op,
int usage, const void *where),
@ -38,7 +418,7 @@ TRACE_EVENT(rxrpc_conn,
TP_printk("C=%p %s u=%d sp=%pSR",
__entry->conn,
rxrpc_conn_traces[__entry->op],
__print_symbolic(__entry->op, rxrpc_conn_traces),
__entry->usage,
__entry->where)
);
@ -70,8 +450,8 @@ TRACE_EVENT(rxrpc_client,
TP_printk("C=%p h=%2d %s %s i=%08x u=%d",
__entry->conn,
__entry->channel,
rxrpc_client_traces[__entry->op],
rxrpc_conn_cache_states[__entry->cs],
__print_symbolic(__entry->op, rxrpc_client_traces),
__print_symbolic(__entry->cs, rxrpc_conn_cache_states),
__entry->cid,
__entry->usage)
);
@ -100,7 +480,7 @@ TRACE_EVENT(rxrpc_call,
TP_printk("c=%p %s u=%d sp=%pSR a=%p",
__entry->call,
rxrpc_call_traces[__entry->op],
__print_symbolic(__entry->op, rxrpc_call_traces),
__entry->usage,
__entry->where,
__entry->aux)
@ -130,7 +510,7 @@ TRACE_EVENT(rxrpc_skb,
TP_printk("s=%p %s u=%d m=%d p=%pSR",
__entry->skb,
rxrpc_skb_traces[__entry->op],
__print_symbolic(__entry->op, rxrpc_skb_traces),
__entry->usage,
__entry->mod_count,
__entry->where)
@ -154,7 +534,8 @@ TRACE_EVENT(rxrpc_rx_packet,
__entry->hdr.callNumber, __entry->hdr.serviceId,
__entry->hdr.serial, __entry->hdr.seq,
__entry->hdr.type, __entry->hdr.flags,
__entry->hdr.type <= 15 ? rxrpc_pkts[__entry->hdr.type] : "?UNK")
__entry->hdr.type <= 15 ?
__print_symbolic(__entry->hdr.type, rxrpc_pkts) : "?UNK")
);
TRACE_EVENT(rxrpc_rx_done,
@ -214,6 +595,7 @@ TRACE_EVENT(rxrpc_transmit,
__field(enum rxrpc_transmit_trace, why )
__field(rxrpc_seq_t, tx_hard_ack )
__field(rxrpc_seq_t, tx_top )
__field(int, tx_winsize )
),
TP_fast_assign(
@ -221,38 +603,81 @@ TRACE_EVENT(rxrpc_transmit,
__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",
TP_printk("c=%p %s f=%08x n=%u/%u",
__entry->call,
rxrpc_transmit_traces[__entry->why],
__print_symbolic(__entry->why, rxrpc_transmit_traces),
__entry->tx_hard_ack + 1,
__entry->tx_top - __entry->tx_hard_ack)
__entry->tx_top - __entry->tx_hard_ack,
__entry->tx_winsize)
);
TRACE_EVENT(rxrpc_rx_ack,
TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t first, u8 reason, u8 n_acks),
TRACE_EVENT(rxrpc_rx_data,
TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq,
rxrpc_serial_t serial, u8 flags, u8 anno),
TP_ARGS(call, first, reason, n_acks),
TP_ARGS(call, seq, serial, flags, anno),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(rxrpc_seq_t, seq )
__field(rxrpc_serial_t, serial )
__field(u8, flags )
__field(u8, anno )
),
TP_fast_assign(
__entry->call = call;
__entry->seq = seq;
__entry->serial = serial;
__entry->flags = flags;
__entry->anno = anno;
),
TP_printk("c=%p DATA %08x q=%08x fl=%02x a=%02x",
__entry->call,
__entry->serial,
__entry->seq,
__entry->flags,
__entry->anno)
);
TRACE_EVENT(rxrpc_rx_ack,
TP_PROTO(struct rxrpc_call *call,
rxrpc_serial_t serial, rxrpc_serial_t ack_serial,
rxrpc_seq_t first, rxrpc_seq_t prev, u8 reason, u8 n_acks),
TP_ARGS(call, serial, ack_serial, first, prev, reason, n_acks),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(rxrpc_serial_t, serial )
__field(rxrpc_serial_t, ack_serial )
__field(rxrpc_seq_t, first )
__field(rxrpc_seq_t, prev )
__field(u8, reason )
__field(u8, n_acks )
),
TP_fast_assign(
__entry->call = call;
__entry->serial = serial;
__entry->ack_serial = ack_serial;
__entry->first = first;
__entry->prev = prev;
__entry->reason = reason;
__entry->n_acks = n_acks;
),
TP_printk("c=%p %s f=%08x n=%u",
TP_printk("c=%p %08x %s r=%08x f=%08x p=%08x n=%u",
__entry->call,
rxrpc_ack_names[__entry->reason],
__entry->serial,
__print_symbolic(__entry->reason, rxrpc_ack_names),
__entry->ack_serial,
__entry->first,
__entry->prev,
__entry->n_acks)
);
@ -317,7 +742,7 @@ TRACE_EVENT(rxrpc_tx_ack,
TP_printk(" c=%p ACK %08x %s f=%08x r=%08x n=%u",
__entry->call,
__entry->serial,
rxrpc_ack_names[__entry->reason],
__print_symbolic(__entry->reason, rxrpc_ack_names),
__entry->ack_first,
__entry->ack_serial,
__entry->n_acks)
@ -349,7 +774,7 @@ TRACE_EVENT(rxrpc_receive,
TP_printk("c=%p %s r=%08x q=%08x w=%08x-%08x",
__entry->call,
rxrpc_receive_traces[__entry->why],
__print_symbolic(__entry->why, rxrpc_receive_traces),
__entry->serial,
__entry->seq,
__entry->hard_ack,
@ -383,7 +808,7 @@ TRACE_EVENT(rxrpc_recvmsg,
TP_printk("c=%p %s q=%08x o=%u l=%u ret=%d",
__entry->call,
rxrpc_recvmsg_traces[__entry->why],
__print_symbolic(__entry->why, rxrpc_recvmsg_traces),
__entry->seq,
__entry->offset,
__entry->len,
@ -410,7 +835,7 @@ TRACE_EVENT(rxrpc_rtt_tx,
TP_printk("c=%p %s sr=%08x",
__entry->call,
rxrpc_rtt_tx_traces[__entry->why],
__print_symbolic(__entry->why, rxrpc_rtt_tx_traces),
__entry->send_serial)
);
@ -443,7 +868,7 @@ TRACE_EVENT(rxrpc_rtt_rx,
TP_printk("c=%p %s sr=%08x rr=%08x rtt=%lld nr=%u avg=%lld",
__entry->call,
rxrpc_rtt_rx_traces[__entry->why],
__print_symbolic(__entry->why, rxrpc_rtt_rx_traces),
__entry->send_serial,
__entry->resp_serial,
__entry->rtt,
@ -481,7 +906,7 @@ TRACE_EVENT(rxrpc_timer,
TP_printk("c=%p %s x=%lld a=%lld r=%lld t=%ld",
__entry->call,
rxrpc_timer_traces[__entry->why],
__print_symbolic(__entry->why, rxrpc_timer_traces),
ktime_to_ns(ktime_sub(__entry->expire_at, __entry->now)),
ktime_to_ns(ktime_sub(__entry->ack_at, __entry->now)),
ktime_to_ns(ktime_sub(__entry->resend_at, __entry->now)),
@ -506,7 +931,8 @@ TRACE_EVENT(rxrpc_rx_lose,
__entry->hdr.callNumber, __entry->hdr.serviceId,
__entry->hdr.serial, __entry->hdr.seq,
__entry->hdr.type, __entry->hdr.flags,
__entry->hdr.type <= 15 ? rxrpc_pkts[__entry->hdr.type] : "?UNK")
__entry->hdr.type <= 15 ?
__print_symbolic(__entry->hdr.type, rxrpc_pkts) : "?UNK")
);
TRACE_EVENT(rxrpc_propose_ack,
@ -539,12 +965,12 @@ TRACE_EVENT(rxrpc_propose_ack,
TP_printk("c=%p %s %s r=%08x i=%u b=%u%s",
__entry->call,
rxrpc_propose_ack_traces[__entry->why],
rxrpc_ack_names[__entry->ack_reason],
__print_symbolic(__entry->why, rxrpc_propose_ack_traces),
__print_symbolic(__entry->ack_reason, rxrpc_ack_names),
__entry->serial,
__entry->immediate,
__entry->background,
rxrpc_propose_ack_outcomes[__entry->outcome])
__print_symbolic(__entry->outcome, rxrpc_propose_ack_outcomes))
);
TRACE_EVENT(rxrpc_retransmit,
@ -603,9 +1029,9 @@ TRACE_EVENT(rxrpc_congest,
TP_printk("c=%p %08x %s %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,
rxrpc_ack_names[__entry->sum.ack_reason],
__print_symbolic(__entry->sum.ack_reason, rxrpc_ack_names),
__entry->hard_ack,
rxrpc_congest_modes[__entry->sum.mode],
__print_symbolic(__entry->sum.mode, rxrpc_congest_modes),
__entry->sum.cwnd,
__entry->sum.ssthresh,
__entry->sum.nr_acks, __entry->sum.nr_nacks,
@ -615,10 +1041,50 @@ TRACE_EVENT(rxrpc_congest,
__entry->sum.cumulative_acks,
__entry->sum.dup_acks,
__entry->lowest_nak, __entry->sum.new_low_nack ? "!" : "",
rxrpc_congest_changes[__entry->change],
__print_symbolic(__entry->change, rxrpc_congest_changes),
__entry->sum.retrans_timeo ? " rTxTo" : "")
);
TRACE_EVENT(rxrpc_disconnect_call,
TP_PROTO(struct rxrpc_call *call),
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call;
__entry->abort_code = call->abort_code;
),
TP_printk("c=%p ab=%08x",
__entry->call,
__entry->abort_code)
);
TRACE_EVENT(rxrpc_improper_term,
TP_PROTO(struct rxrpc_call *call),
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(u32, abort_code )
),
TP_fast_assign(
__entry->call = call;
__entry->abort_code = call->abort_code;
),
TP_printk("c=%p ab=%08x",
__entry->call,
__entry->abort_code)
);
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */

194
net/rxrpc/ar-internal.h
View File

@ -593,200 +593,6 @@ struct rxrpc_ack_summary {
u8 cumulative_acks;
};
enum rxrpc_skb_trace {
rxrpc_skb_rx_cleaned,
rxrpc_skb_rx_freed,
rxrpc_skb_rx_got,
rxrpc_skb_rx_lost,
rxrpc_skb_rx_received,
rxrpc_skb_rx_rotated,
rxrpc_skb_rx_purged,
rxrpc_skb_rx_seen,
rxrpc_skb_tx_cleaned,
rxrpc_skb_tx_freed,
rxrpc_skb_tx_got,
rxrpc_skb_tx_new,
rxrpc_skb_tx_rotated,
rxrpc_skb_tx_seen,
rxrpc_skb__nr_trace
};
extern const char rxrpc_skb_traces[rxrpc_skb__nr_trace][7];
enum rxrpc_conn_trace {
rxrpc_conn_new_client,
rxrpc_conn_new_service,
rxrpc_conn_queued,
rxrpc_conn_seen,
rxrpc_conn_got,
rxrpc_conn_put_client,
rxrpc_conn_put_service,
rxrpc_conn__nr_trace
};
extern const char rxrpc_conn_traces[rxrpc_conn__nr_trace][4];
enum rxrpc_client_trace {
rxrpc_client_activate_chans,
rxrpc_client_alloc,
rxrpc_client_chan_activate,
rxrpc_client_chan_disconnect,
rxrpc_client_chan_pass,
rxrpc_client_chan_unstarted,
rxrpc_client_cleanup,
rxrpc_client_count,
rxrpc_client_discard,
rxrpc_client_duplicate,
rxrpc_client_exposed,
rxrpc_client_replace,
rxrpc_client_to_active,
rxrpc_client_to_culled,
rxrpc_client_to_idle,
rxrpc_client_to_inactive,
rxrpc_client_to_waiting,
rxrpc_client_uncount,
rxrpc_client__nr_trace
};
extern const char rxrpc_client_traces[rxrpc_client__nr_trace][7];
extern const char rxrpc_conn_cache_states[RXRPC_CONN__NR_CACHE_STATES][5];
enum rxrpc_call_trace {
rxrpc_call_new_client,
rxrpc_call_new_service,
rxrpc_call_queued,
rxrpc_call_queued_ref,
rxrpc_call_seen,
rxrpc_call_connected,
rxrpc_call_release,
rxrpc_call_got,
rxrpc_call_got_userid,
rxrpc_call_got_kernel,
rxrpc_call_put,
rxrpc_call_put_userid,
rxrpc_call_put_kernel,
rxrpc_call_put_noqueue,
rxrpc_call_error,
rxrpc_call__nr_trace
};
extern const char rxrpc_call_traces[rxrpc_call__nr_trace][4];
enum rxrpc_transmit_trace {
rxrpc_transmit_wait,
rxrpc_transmit_queue,
rxrpc_transmit_queue_last,
rxrpc_transmit_rotate,
rxrpc_transmit_rotate_last,
rxrpc_transmit_await_reply,
rxrpc_transmit_end,
rxrpc_transmit__nr_trace
};
extern const char rxrpc_transmit_traces[rxrpc_transmit__nr_trace][4];
enum rxrpc_receive_trace {
rxrpc_receive_incoming,
rxrpc_receive_queue,
rxrpc_receive_queue_last,
rxrpc_receive_front,
rxrpc_receive_rotate,
rxrpc_receive_end,
rxrpc_receive__nr_trace
};
extern const char rxrpc_receive_traces[rxrpc_receive__nr_trace][4];
enum rxrpc_recvmsg_trace {
rxrpc_recvmsg_enter,
rxrpc_recvmsg_wait,
rxrpc_recvmsg_dequeue,
rxrpc_recvmsg_hole,
rxrpc_recvmsg_next,
rxrpc_recvmsg_cont,
rxrpc_recvmsg_full,
rxrpc_recvmsg_data_return,
rxrpc_recvmsg_terminal,
rxrpc_recvmsg_to_be_accepted,
rxrpc_recvmsg_return,
rxrpc_recvmsg__nr_trace
};
extern const char rxrpc_recvmsg_traces[rxrpc_recvmsg__nr_trace][5];
enum rxrpc_rtt_tx_trace {
rxrpc_rtt_tx_ping,
rxrpc_rtt_tx_data,
rxrpc_rtt_tx__nr_trace
};
extern const char rxrpc_rtt_tx_traces[rxrpc_rtt_tx__nr_trace][5];
enum rxrpc_rtt_rx_trace {
rxrpc_rtt_rx_ping_response,
rxrpc_rtt_rx_requested_ack,
rxrpc_rtt_rx__nr_trace
};
extern const char rxrpc_rtt_rx_traces[rxrpc_rtt_rx__nr_trace][5];
enum rxrpc_timer_trace {
rxrpc_timer_begin,
rxrpc_timer_init_for_reply,
rxrpc_timer_init_for_send_reply,
rxrpc_timer_expired,
rxrpc_timer_set_for_ack,
rxrpc_timer_set_for_ping,
rxrpc_timer_set_for_resend,
rxrpc_timer_set_for_send,
rxrpc_timer__nr_trace
};
extern const char rxrpc_timer_traces[rxrpc_timer__nr_trace][8];
enum rxrpc_propose_ack_trace {
rxrpc_propose_ack_client_tx_end,
rxrpc_propose_ack_input_data,
rxrpc_propose_ack_ping_for_lost_ack,
rxrpc_propose_ack_ping_for_lost_reply,
rxrpc_propose_ack_ping_for_params,
rxrpc_propose_ack_processing_op,
rxrpc_propose_ack_respond_to_ack,
rxrpc_propose_ack_respond_to_ping,
rxrpc_propose_ack_retry_tx,
rxrpc_propose_ack_rotate_rx,
rxrpc_propose_ack_terminal_ack,
rxrpc_propose_ack__nr_trace
};
enum rxrpc_propose_ack_outcome {
rxrpc_propose_ack_use,
rxrpc_propose_ack_update,
rxrpc_propose_ack_subsume,
rxrpc_propose_ack__nr_outcomes
};
extern const char rxrpc_propose_ack_traces[rxrpc_propose_ack__nr_trace][8];
extern const char *const rxrpc_propose_ack_outcomes[rxrpc_propose_ack__nr_outcomes];
enum rxrpc_congest_change {
rxrpc_cong_begin_retransmission,
rxrpc_cong_cleared_nacks,
rxrpc_cong_new_low_nack,
rxrpc_cong_no_change,
rxrpc_cong_progress,
rxrpc_cong_retransmit_again,
rxrpc_cong_rtt_window_end,
rxrpc_cong_saw_nack,
rxrpc_congest__nr_change
};
extern const char rxrpc_congest_modes[NR__RXRPC_CONGEST_MODES][10];
extern const char rxrpc_congest_changes[rxrpc_congest__nr_change][9];
extern const char *const rxrpc_pkts[];
extern const char rxrpc_ack_names[RXRPC_ACK__INVALID + 1][4];
#include <trace/events/rxrpc.h>
/*

18
net/rxrpc/call_object.c
View File

@ -43,24 +43,6 @@ const char *const rxrpc_call_completions[NR__RXRPC_CALL_COMPLETIONS] = {
[RXRPC_CALL_NETWORK_ERROR] = "NetError",
};
const char rxrpc_call_traces[rxrpc_call__nr_trace][4] = {
[rxrpc_call_new_client] = "NWc",
[rxrpc_call_new_service] = "NWs",
[rxrpc_call_queued] = "QUE",
[rxrpc_call_queued_ref] = "QUR",
[rxrpc_call_connected] = "CON",
[rxrpc_call_release] = "RLS",
[rxrpc_call_seen] = "SEE",
[rxrpc_call_got] = "GOT",
[rxrpc_call_got_userid] = "Gus",
[rxrpc_call_got_kernel] = "Gke",
[rxrpc_call_put] = "PUT",
[rxrpc_call_put_userid] = "Pus",
[rxrpc_call_put_kernel] = "Pke",
[rxrpc_call_put_noqueue] = "PNQ",
[rxrpc_call_error] = "*E*",
};
struct kmem_cache *rxrpc_call_jar;
LIST_HEAD(rxrpc_calls);
DEFINE_RWLOCK(rxrpc_call_lock);

8
net/rxrpc/conn_client.c
View File

@ -105,14 +105,6 @@ static void rxrpc_discard_expired_client_conns(struct work_struct *);
static DECLARE_DELAYED_WORK(rxrpc_client_conn_reap,
rxrpc_discard_expired_client_conns);
const char rxrpc_conn_cache_states[RXRPC_CONN__NR_CACHE_STATES][5] = {
[RXRPC_CONN_CLIENT_INACTIVE] = "Inac",
[RXRPC_CONN_CLIENT_WAITING] = "Wait",
[RXRPC_CONN_CLIENT_ACTIVE] = "Actv",
[RXRPC_CONN_CLIENT_CULLED] = "Cull",
[RXRPC_CONN_CLIENT_IDLE] = "Idle",
};
/*
* Get a connection ID and epoch for a client connection from the global pool.
* The connection struct pointer is then recorded in the idr radix tree. The

1
net/rxrpc/conn_object.c
View File

@ -173,6 +173,7 @@ void __rxrpc_disconnect_call(struct rxrpc_connection *conn,
/* Save the result of the call so that we can repeat it if necessary
* through the channel, whilst disposing of the actual call record.
*/
trace_rxrpc_disconnect_call(call);
chan->last_service_id = call->service_id;
if (call->abort_code) {
chan->last_abort = call->abort_code;

16
net/rxrpc/input.c
View File

@ -481,6 +481,7 @@ next_subpacket:
return rxrpc_proto_abort("LSA", call, seq);
}
trace_rxrpc_rx_data(call, seq, serial, flags, annotation);
if (before_eq(seq, hard_ack)) {
ack = RXRPC_ACK_DUPLICATE;
ack_serial = serial;
@ -765,16 +766,9 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
summary.ack_reason = (buf.ack.reason < RXRPC_ACK__INVALID ?
buf.ack.reason : RXRPC_ACK__INVALID);
trace_rxrpc_rx_ack(call, first_soft_ack, summary.ack_reason, nr_acks);
_proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
sp->hdr.serial,
ntohs(buf.ack.maxSkew),
first_soft_ack,
ntohl(buf.ack.previousPacket),
acked_serial,
rxrpc_ack_names[summary.ack_reason],
buf.ack.nAcks);
trace_rxrpc_rx_ack(call, sp->hdr.serial, acked_serial,
first_soft_ack, ntohl(buf.ack.previousPacket),
summary.ack_reason, nr_acks);
if (buf.ack.reason == RXRPC_ACK_PING_RESPONSE)
rxrpc_input_ping_response(call, skb->tstamp, acked_serial,
@ -931,7 +925,6 @@ static void rxrpc_input_call_packet(struct rxrpc_call *call,
break;
default:
_proto("Rx %s %%%u", rxrpc_pkts[sp->hdr.type], sp->hdr.serial);
break;
}
@ -961,6 +954,7 @@ static void rxrpc_input_implicit_end_call(struct rxrpc_connection *conn,
break;
}
trace_rxrpc_improper_term(call);
__rxrpc_disconnect_call(conn, call);
rxrpc_notify_socket(call);
}

151
net/rxrpc/misc.c
View File

@ -77,12 +77,6 @@ unsigned int rxrpc_rx_jumbo_max = 4;
*/
unsigned int rxrpc_resend_timeout = 4 * 1000;
const char *const rxrpc_pkts[] = {
"?00",
"DATA", "ACK", "BUSY", "ABORT", "ACKALL", "CHALL", "RESP", "DEBUG",
"?09", "?10", "?11", "?12", "VERSION", "?14", "?15"
};
const s8 rxrpc_ack_priority[] = {
[0] = 0,
[RXRPC_ACK_DELAY] = 1,
@ -94,148 +88,3 @@ const s8 rxrpc_ack_priority[] = {
[RXRPC_ACK_NOSPACE] = 7,
[RXRPC_ACK_PING_RESPONSE] = 8,
};
const char rxrpc_ack_names[RXRPC_ACK__INVALID + 1][4] = {
"---", "REQ", "DUP", "OOS", "WIN", "MEM", "PNG", "PNR", "DLY",
"IDL", "-?-"
};
const char rxrpc_skb_traces[rxrpc_skb__nr_trace][7] = {
[rxrpc_skb_rx_cleaned] = "Rx CLN",
[rxrpc_skb_rx_freed] = "Rx FRE",
[rxrpc_skb_rx_got] = "Rx GOT",
[rxrpc_skb_rx_lost] = "Rx *L*",
[rxrpc_skb_rx_received] = "Rx RCV",
[rxrpc_skb_rx_purged] = "Rx PUR",
[rxrpc_skb_rx_rotated] = "Rx ROT",
[rxrpc_skb_rx_seen] = "Rx SEE",
[rxrpc_skb_tx_cleaned] = "Tx CLN",
[rxrpc_skb_tx_freed] = "Tx FRE",
[rxrpc_skb_tx_got] = "Tx GOT",
[rxrpc_skb_tx_new] = "Tx NEW",
[rxrpc_skb_tx_rotated] = "Tx ROT",
[rxrpc_skb_tx_seen] = "Tx SEE",
};
const char rxrpc_conn_traces[rxrpc_conn__nr_trace][4] = {
[rxrpc_conn_new_client] = "NWc",
[rxrpc_conn_new_service] = "NWs",
[rxrpc_conn_queued] = "QUE",
[rxrpc_conn_seen] = "SEE",
[rxrpc_conn_got] = "GOT",
[rxrpc_conn_put_client] = "PTc",
[rxrpc_conn_put_service] = "PTs",
};
const char rxrpc_client_traces[rxrpc_client__nr_trace][7] = {
[rxrpc_client_activate_chans] = "Activa",
[rxrpc_client_alloc] = "Alloc ",
[rxrpc_client_chan_activate] = "ChActv",
[rxrpc_client_chan_disconnect] = "ChDisc",
[rxrpc_client_chan_pass] = "ChPass",
[rxrpc_client_chan_unstarted] = "ChUnst",
[rxrpc_client_cleanup] = "Clean ",
[rxrpc_client_count] = "Count ",
[rxrpc_client_discard] = "Discar",
[rxrpc_client_duplicate] = "Duplic",
[rxrpc_client_exposed] = "Expose",
[rxrpc_client_replace] = "Replac",
[rxrpc_client_to_active] = "->Actv",
[rxrpc_client_to_culled] = "->Cull",
[rxrpc_client_to_idle] = "->Idle",
[rxrpc_client_to_inactive] = "->Inac",
[rxrpc_client_to_waiting] = "->Wait",
[rxrpc_client_uncount] = "Uncoun",
};
const char rxrpc_transmit_traces[rxrpc_transmit__nr_trace][4] = {
[rxrpc_transmit_wait] = "WAI",
[rxrpc_transmit_queue] = "QUE",
[rxrpc_transmit_queue_last] = "QLS",
[rxrpc_transmit_rotate] = "ROT",
[rxrpc_transmit_rotate_last] = "RLS",
[rxrpc_transmit_await_reply] = "AWR",
[rxrpc_transmit_end] = "END",
};
const char rxrpc_receive_traces[rxrpc_receive__nr_trace][4] = {
[rxrpc_receive_incoming] = "INC",
[rxrpc_receive_queue] = "QUE",
[rxrpc_receive_queue_last] = "QLS",
[rxrpc_receive_front] = "FRN",
[rxrpc_receive_rotate] = "ROT",
[rxrpc_receive_end] = "END",
};
const char rxrpc_recvmsg_traces[rxrpc_recvmsg__nr_trace][5] = {
[rxrpc_recvmsg_enter] = "ENTR",
[rxrpc_recvmsg_wait] = "WAIT",
[rxrpc_recvmsg_dequeue] = "DEQU",
[rxrpc_recvmsg_hole] = "HOLE",
[rxrpc_recvmsg_next] = "NEXT",
[rxrpc_recvmsg_cont] = "CONT",
[rxrpc_recvmsg_full] = "FULL",
[rxrpc_recvmsg_data_return] = "DATA",
[rxrpc_recvmsg_terminal] = "TERM",
[rxrpc_recvmsg_to_be_accepted] = "TBAC",
[rxrpc_recvmsg_return] = "RETN",
};
const char rxrpc_rtt_tx_traces[rxrpc_rtt_tx__nr_trace][5] = {
[rxrpc_rtt_tx_ping] = "PING",
[rxrpc_rtt_tx_data] = "DATA",
};
const char rxrpc_rtt_rx_traces[rxrpc_rtt_rx__nr_trace][5] = {
[rxrpc_rtt_rx_ping_response] = "PONG",
[rxrpc_rtt_rx_requested_ack] = "RACK",
};
const char rxrpc_timer_traces[rxrpc_timer__nr_trace][8] = {
[rxrpc_timer_begin] = "Begin ",
[rxrpc_timer_expired] = "*EXPR*",
[rxrpc_timer_init_for_reply] = "IniRpl",
[rxrpc_timer_init_for_send_reply] = "SndRpl",
[rxrpc_timer_set_for_ack] = "SetAck",
[rxrpc_timer_set_for_ping] = "SetPng",
[rxrpc_timer_set_for_send] = "SetTx ",
[rxrpc_timer_set_for_resend] = "SetRTx",
};
const char rxrpc_propose_ack_traces[rxrpc_propose_ack__nr_trace][8] = {
[rxrpc_propose_ack_client_tx_end] = "ClTxEnd",
[rxrpc_propose_ack_input_data] = "DataIn ",
[rxrpc_propose_ack_ping_for_lost_ack] = "LostAck",
[rxrpc_propose_ack_ping_for_lost_reply] = "LostRpl",
[rxrpc_propose_ack_ping_for_params] = "Params ",
[rxrpc_propose_ack_processing_op] = "ProcOp ",
[rxrpc_propose_ack_respond_to_ack] = "Rsp2Ack",
[rxrpc_propose_ack_respond_to_ping] = "Rsp2Png",
[rxrpc_propose_ack_retry_tx] = "RetryTx",
[rxrpc_propose_ack_rotate_rx] = "RxAck ",
[rxrpc_propose_ack_terminal_ack] = "ClTerm ",
};
const char *const rxrpc_propose_ack_outcomes[rxrpc_propose_ack__nr_outcomes] = {
[rxrpc_propose_ack_use] = "",
[rxrpc_propose_ack_update] = " Update",
[rxrpc_propose_ack_subsume] = " Subsume",
};
const char rxrpc_congest_modes[NR__RXRPC_CONGEST_MODES][10] = {
[RXRPC_CALL_SLOW_START] = "SlowStart",
[RXRPC_CALL_CONGEST_AVOIDANCE] = "CongAvoid",
[RXRPC_CALL_PACKET_LOSS] = "PktLoss ",
[RXRPC_CALL_FAST_RETRANSMIT] = "FastReTx ",
};
const char rxrpc_congest_changes[rxrpc_congest__nr_change][9] = {
[rxrpc_cong_begin_retransmission] = " Retrans",
[rxrpc_cong_cleared_nacks] = " Cleared",
[rxrpc_cong_new_low_nack] = " NewLowN",
[rxrpc_cong_no_change] = "",
[rxrpc_cong_progress] = " Progres",
[rxrpc_cong_retransmit_again] = " ReTxAgn",
[rxrpc_cong_rtt_window_end] = " RttWinE",
[rxrpc_cong_saw_nack] = " SawNack",
};

9
net/rxrpc/proc.c
View File

@ -52,6 +52,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
struct rxrpc_sock *rx;
struct rxrpc_peer *peer;
struct rxrpc_call *call;
rxrpc_seq_t tx_hard_ack, rx_hard_ack;
char lbuff[50], rbuff[50];
if (v == &rxrpc_calls) {
@ -82,9 +83,11 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
else
strcpy(rbuff, "no_connection");
tx_hard_ack = READ_ONCE(call->tx_hard_ack);
rx_hard_ack = READ_ONCE(call->rx_hard_ack);
seq_printf(seq,
"UDP %-47.47s %-47.47s %4x %08x %08x %s %3u"
" %-8.8s %08x %lx\n",
" %-8.8s %08x %lx %08x %02x %08x %02x\n",
lbuff,
rbuff,
call->service_id,
@ -94,7 +97,9 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
atomic_read(&call->usage),
rxrpc_call_states[call->state],
call->abort_code,
call->user_call_ID);
call->user_call_ID,
tx_hard_ack, READ_ONCE(call->tx_top) - tx_hard_ack,
rx_hard_ack, READ_ONCE(call->rx_top) - rx_hard_ack);
return 0;
}