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![Tuong Lien](/assets/img/avatar_default.png)
The commit adds the new trace_event for TIPC bearer, L2 device event: trace_tipc_l2_device_event() Also, it puts the trace at the tipc_l2_device_event() function, then the device/bearer events and related info can be traced out during runtime when needed. Acked-by: Ying Xue <ying.xue@windriver.com> Tested-by: Ying Xue <ying.xue@windriver.com> Acked-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
431 lines
13 KiB
C
431 lines
13 KiB
C
/*
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* net/tipc/trace.h: TIPC tracepoints
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*
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* Copyright (c) 2018, Ericsson AB
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "ASIS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM tipc
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#if !defined(_TIPC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TIPC_TRACE_H
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#include <linux/tracepoint.h>
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#include "core.h"
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#include "link.h"
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#include "socket.h"
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#include "node.h"
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#define SKB_LMIN (100)
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#define SKB_LMAX (SKB_LMIN * 2)
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#define LIST_LMIN (SKB_LMIN * 3)
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#define LIST_LMAX (SKB_LMIN * 11)
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#define SK_LMIN (SKB_LMIN * 2)
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#define SK_LMAX (SKB_LMIN * 11)
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#define LINK_LMIN (SKB_LMIN)
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#define LINK_LMAX (SKB_LMIN * 16)
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#define NODE_LMIN (SKB_LMIN)
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#define NODE_LMAX (SKB_LMIN * 11)
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#ifndef __TIPC_TRACE_ENUM
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#define __TIPC_TRACE_ENUM
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enum {
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TIPC_DUMP_NONE = 0,
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TIPC_DUMP_TRANSMQ = 1,
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TIPC_DUMP_BACKLOGQ = (1 << 1),
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TIPC_DUMP_DEFERDQ = (1 << 2),
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TIPC_DUMP_INPUTQ = (1 << 3),
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TIPC_DUMP_WAKEUP = (1 << 4),
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TIPC_DUMP_SK_SNDQ = (1 << 8),
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TIPC_DUMP_SK_RCVQ = (1 << 9),
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TIPC_DUMP_SK_BKLGQ = (1 << 10),
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TIPC_DUMP_ALL = 0xffffu
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};
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#endif
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/* Link & Node FSM states: */
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#define state_sym(val) \
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__print_symbolic(val, \
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{(0xe), "ESTABLISHED" },\
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{(0xe << 4), "ESTABLISHING" },\
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{(0x1 << 8), "RESET" },\
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{(0x2 << 12), "RESETTING" },\
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{(0xd << 16), "PEER_RESET" },\
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{(0xf << 20), "FAILINGOVER" },\
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{(0xc << 24), "SYNCHING" },\
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{(0xdd), "SELF_DOWN_PEER_DOWN" },\
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{(0xaa), "SELF_UP_PEER_UP" },\
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{(0xd1), "SELF_DOWN_PEER_LEAVING" },\
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{(0xac), "SELF_UP_PEER_COMING" },\
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{(0xca), "SELF_COMING_PEER_UP" },\
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{(0x1d), "SELF_LEAVING_PEER_DOWN" },\
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{(0xf0), "FAILINGOVER" },\
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{(0xcc), "SYNCHING" })
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/* Link & Node FSM events: */
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#define evt_sym(val) \
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__print_symbolic(val, \
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{(0xec1ab1e), "ESTABLISH_EVT" },\
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{(0x9eed0e), "PEER_RESET_EVT" },\
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{(0xfa110e), "FAILURE_EVT" },\
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{(0x10ca1d0e), "RESET_EVT" },\
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{(0xfa110bee), "FAILOVER_BEGIN_EVT" },\
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{(0xfa110ede), "FAILOVER_END_EVT" },\
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{(0xc1ccbee), "SYNCH_BEGIN_EVT" },\
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{(0xc1ccede), "SYNCH_END_EVT" },\
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{(0xece), "SELF_ESTABL_CONTACT_EVT" },\
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{(0x1ce), "SELF_LOST_CONTACT_EVT" },\
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{(0x9ece), "PEER_ESTABL_CONTACT_EVT" },\
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{(0x91ce), "PEER_LOST_CONTACT_EVT" },\
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{(0xfbe), "FAILOVER_BEGIN_EVT" },\
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{(0xfee), "FAILOVER_END_EVT" },\
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{(0xcbe), "SYNCH_BEGIN_EVT" },\
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{(0xcee), "SYNCH_END_EVT" })
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/* Bearer, net device events: */
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#define dev_evt_sym(val) \
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__print_symbolic(val, \
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{(NETDEV_CHANGE), "NETDEV_CHANGE" },\
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{(NETDEV_GOING_DOWN), "NETDEV_GOING_DOWN" },\
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{(NETDEV_UP), "NETDEV_UP" },\
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{(NETDEV_CHANGEMTU), "NETDEV_CHANGEMTU" },\
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{(NETDEV_CHANGEADDR), "NETDEV_CHANGEADDR" },\
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{(NETDEV_UNREGISTER), "NETDEV_UNREGISTER" },\
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{(NETDEV_CHANGENAME), "NETDEV_CHANGENAME" })
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extern unsigned long sysctl_tipc_sk_filter[5] __read_mostly;
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int tipc_skb_dump(struct sk_buff *skb, bool more, char *buf);
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int tipc_list_dump(struct sk_buff_head *list, bool more, char *buf);
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int tipc_sk_dump(struct sock *sk, u16 dqueues, char *buf);
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int tipc_link_dump(struct tipc_link *l, u16 dqueues, char *buf);
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int tipc_node_dump(struct tipc_node *n, bool more, char *buf);
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bool tipc_sk_filtering(struct sock *sk);
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DECLARE_EVENT_CLASS(tipc_skb_class,
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TP_PROTO(struct sk_buff *skb, bool more, const char *header),
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TP_ARGS(skb, more, header),
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TP_STRUCT__entry(
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__string(header, header)
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__dynamic_array(char, buf, (more) ? SKB_LMAX : SKB_LMIN)
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),
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TP_fast_assign(
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__assign_str(header, header);
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tipc_skb_dump(skb, more, __get_str(buf));
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),
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TP_printk("%s\n%s", __get_str(header), __get_str(buf))
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)
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#define DEFINE_SKB_EVENT(name) \
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DEFINE_EVENT(tipc_skb_class, name, \
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TP_PROTO(struct sk_buff *skb, bool more, const char *header), \
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TP_ARGS(skb, more, header))
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DEFINE_SKB_EVENT(tipc_skb_dump);
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DEFINE_SKB_EVENT(tipc_proto_build);
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DEFINE_SKB_EVENT(tipc_proto_rcv);
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DECLARE_EVENT_CLASS(tipc_list_class,
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TP_PROTO(struct sk_buff_head *list, bool more, const char *header),
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TP_ARGS(list, more, header),
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TP_STRUCT__entry(
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__string(header, header)
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__dynamic_array(char, buf, (more) ? LIST_LMAX : LIST_LMIN)
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),
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TP_fast_assign(
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__assign_str(header, header);
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tipc_list_dump(list, more, __get_str(buf));
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),
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TP_printk("%s\n%s", __get_str(header), __get_str(buf))
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);
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#define DEFINE_LIST_EVENT(name) \
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DEFINE_EVENT(tipc_list_class, name, \
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TP_PROTO(struct sk_buff_head *list, bool more, const char *header), \
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TP_ARGS(list, more, header))
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DEFINE_LIST_EVENT(tipc_list_dump);
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DECLARE_EVENT_CLASS(tipc_sk_class,
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TP_PROTO(struct sock *sk, struct sk_buff *skb, u16 dqueues,
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const char *header),
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TP_ARGS(sk, skb, dqueues, header),
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TP_STRUCT__entry(
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__string(header, header)
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__field(u32, portid)
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__dynamic_array(char, buf, (dqueues) ? SK_LMAX : SK_LMIN)
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__dynamic_array(char, skb_buf, (skb) ? SKB_LMIN : 1)
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),
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TP_fast_assign(
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__assign_str(header, header);
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__entry->portid = tipc_sock_get_portid(sk);
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tipc_sk_dump(sk, dqueues, __get_str(buf));
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if (skb)
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tipc_skb_dump(skb, false, __get_str(skb_buf));
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else
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*(__get_str(skb_buf)) = '\0';
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),
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TP_printk("<%u> %s\n%s%s", __entry->portid, __get_str(header),
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__get_str(skb_buf), __get_str(buf))
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);
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#define DEFINE_SK_EVENT_FILTER(name) \
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DEFINE_EVENT_CONDITION(tipc_sk_class, name, \
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TP_PROTO(struct sock *sk, struct sk_buff *skb, u16 dqueues, \
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const char *header), \
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TP_ARGS(sk, skb, dqueues, header), \
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TP_CONDITION(tipc_sk_filtering(sk)))
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DEFINE_SK_EVENT_FILTER(tipc_sk_dump);
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DEFINE_SK_EVENT_FILTER(tipc_sk_create);
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DEFINE_SK_EVENT_FILTER(tipc_sk_sendmcast);
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DEFINE_SK_EVENT_FILTER(tipc_sk_sendmsg);
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DEFINE_SK_EVENT_FILTER(tipc_sk_sendstream);
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DEFINE_SK_EVENT_FILTER(tipc_sk_poll);
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DEFINE_SK_EVENT_FILTER(tipc_sk_filter_rcv);
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DEFINE_SK_EVENT_FILTER(tipc_sk_advance_rx);
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DEFINE_SK_EVENT_FILTER(tipc_sk_rej_msg);
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DEFINE_SK_EVENT_FILTER(tipc_sk_drop_msg);
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DEFINE_SK_EVENT_FILTER(tipc_sk_release);
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DEFINE_SK_EVENT_FILTER(tipc_sk_shutdown);
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#define DEFINE_SK_EVENT_FILTER_COND(name, cond) \
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DEFINE_EVENT_CONDITION(tipc_sk_class, name, \
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TP_PROTO(struct sock *sk, struct sk_buff *skb, u16 dqueues, \
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const char *header), \
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TP_ARGS(sk, skb, dqueues, header), \
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TP_CONDITION(tipc_sk_filtering(sk) && (cond)))
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DEFINE_SK_EVENT_FILTER_COND(tipc_sk_overlimit1, tipc_sk_overlimit1(sk, skb));
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DEFINE_SK_EVENT_FILTER_COND(tipc_sk_overlimit2, tipc_sk_overlimit2(sk, skb));
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DECLARE_EVENT_CLASS(tipc_link_class,
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TP_PROTO(struct tipc_link *l, u16 dqueues, const char *header),
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TP_ARGS(l, dqueues, header),
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TP_STRUCT__entry(
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__string(header, header)
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__array(char, name, TIPC_MAX_LINK_NAME)
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__dynamic_array(char, buf, (dqueues) ? LINK_LMAX : LINK_LMIN)
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),
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TP_fast_assign(
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__assign_str(header, header);
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tipc_link_name_ext(l, __entry->name);
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tipc_link_dump(l, dqueues, __get_str(buf));
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),
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TP_printk("<%s> %s\n%s", __entry->name, __get_str(header),
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__get_str(buf))
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);
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#define DEFINE_LINK_EVENT(name) \
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DEFINE_EVENT(tipc_link_class, name, \
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TP_PROTO(struct tipc_link *l, u16 dqueues, const char *header), \
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TP_ARGS(l, dqueues, header))
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DEFINE_LINK_EVENT(tipc_link_dump);
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DEFINE_LINK_EVENT(tipc_link_conges);
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DEFINE_LINK_EVENT(tipc_link_timeout);
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DEFINE_LINK_EVENT(tipc_link_reset);
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#define DEFINE_LINK_EVENT_COND(name, cond) \
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DEFINE_EVENT_CONDITION(tipc_link_class, name, \
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TP_PROTO(struct tipc_link *l, u16 dqueues, const char *header), \
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TP_ARGS(l, dqueues, header), \
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TP_CONDITION(cond))
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DEFINE_LINK_EVENT_COND(tipc_link_too_silent, tipc_link_too_silent(l));
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DECLARE_EVENT_CLASS(tipc_link_transmq_class,
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TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),
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TP_ARGS(r, f, t, tq),
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TP_STRUCT__entry(
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__array(char, name, TIPC_MAX_LINK_NAME)
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__field(u16, from)
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__field(u16, to)
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__field(u32, len)
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__field(u16, fseqno)
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__field(u16, lseqno)
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),
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TP_fast_assign(
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tipc_link_name_ext(r, __entry->name);
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__entry->from = f;
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__entry->to = t;
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__entry->len = skb_queue_len(tq);
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__entry->fseqno = msg_seqno(buf_msg(skb_peek(tq)));
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__entry->lseqno = msg_seqno(buf_msg(skb_peek_tail(tq)));
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),
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TP_printk("<%s> retrans req: [%u-%u] transmq: %u [%u-%u]\n",
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__entry->name, __entry->from, __entry->to,
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__entry->len, __entry->fseqno, __entry->lseqno)
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);
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DEFINE_EVENT(tipc_link_transmq_class, tipc_link_retrans,
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TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),
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TP_ARGS(r, f, t, tq)
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);
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DEFINE_EVENT_PRINT(tipc_link_transmq_class, tipc_link_bc_ack,
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TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),
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TP_ARGS(r, f, t, tq),
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TP_printk("<%s> acked: [%u-%u] transmq: %u [%u-%u]\n",
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__entry->name, __entry->from, __entry->to,
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__entry->len, __entry->fseqno, __entry->lseqno)
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);
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DECLARE_EVENT_CLASS(tipc_node_class,
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TP_PROTO(struct tipc_node *n, bool more, const char *header),
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TP_ARGS(n, more, header),
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TP_STRUCT__entry(
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__string(header, header)
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__field(u32, addr)
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__dynamic_array(char, buf, (more) ? NODE_LMAX : NODE_LMIN)
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),
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TP_fast_assign(
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__assign_str(header, header);
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__entry->addr = tipc_node_get_addr(n);
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tipc_node_dump(n, more, __get_str(buf));
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),
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TP_printk("<%x> %s\n%s", __entry->addr, __get_str(header),
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__get_str(buf))
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);
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#define DEFINE_NODE_EVENT(name) \
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DEFINE_EVENT(tipc_node_class, name, \
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TP_PROTO(struct tipc_node *n, bool more, const char *header), \
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TP_ARGS(n, more, header))
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DEFINE_NODE_EVENT(tipc_node_dump);
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DEFINE_NODE_EVENT(tipc_node_create);
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DEFINE_NODE_EVENT(tipc_node_delete);
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DEFINE_NODE_EVENT(tipc_node_lost_contact);
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DEFINE_NODE_EVENT(tipc_node_timeout);
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DEFINE_NODE_EVENT(tipc_node_link_up);
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DEFINE_NODE_EVENT(tipc_node_link_down);
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DEFINE_NODE_EVENT(tipc_node_reset_links);
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DEFINE_NODE_EVENT(tipc_node_check_state);
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DECLARE_EVENT_CLASS(tipc_fsm_class,
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TP_PROTO(const char *name, u32 os, u32 ns, int evt),
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TP_ARGS(name, os, ns, evt),
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TP_STRUCT__entry(
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__string(name, name)
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__field(u32, os)
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__field(u32, ns)
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__field(u32, evt)
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),
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TP_fast_assign(
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__assign_str(name, name);
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__entry->os = os;
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__entry->ns = ns;
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__entry->evt = evt;
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),
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TP_printk("<%s> %s--(%s)->%s\n", __get_str(name),
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state_sym(__entry->os), evt_sym(__entry->evt),
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state_sym(__entry->ns))
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);
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#define DEFINE_FSM_EVENT(fsm_name) \
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DEFINE_EVENT(tipc_fsm_class, fsm_name, \
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TP_PROTO(const char *name, u32 os, u32 ns, int evt), \
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TP_ARGS(name, os, ns, evt))
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DEFINE_FSM_EVENT(tipc_link_fsm);
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DEFINE_FSM_EVENT(tipc_node_fsm);
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TRACE_EVENT(tipc_l2_device_event,
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TP_PROTO(struct net_device *dev, struct tipc_bearer *b,
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unsigned long evt),
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TP_ARGS(dev, b, evt),
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TP_STRUCT__entry(
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__string(dev_name, dev->name)
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__string(b_name, b->name)
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__field(unsigned long, evt)
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__field(u8, b_up)
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__field(u8, carrier)
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__field(u8, oper)
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),
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TP_fast_assign(
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__assign_str(dev_name, dev->name);
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__assign_str(b_name, b->name);
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__entry->evt = evt;
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__entry->b_up = test_bit(0, &b->up);
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__entry->carrier = netif_carrier_ok(dev);
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__entry->oper = netif_oper_up(dev);
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),
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TP_printk("%s on: <%s>/<%s> oper: %s carrier: %s bearer: %s\n",
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dev_evt_sym(__entry->evt), __get_str(dev_name),
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__get_str(b_name), (__entry->oper) ? "up" : "down",
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(__entry->carrier) ? "ok" : "notok",
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(__entry->b_up) ? "up" : "down")
|
|
);
|
|
|
|
#endif /* _TIPC_TRACE_H */
|
|
|
|
/* This part must be outside protection */
|
|
#undef TRACE_INCLUDE_PATH
|
|
#define TRACE_INCLUDE_PATH .
|
|
#undef TRACE_INCLUDE_FILE
|
|
#define TRACE_INCLUDE_FILE trace
|
|
#include <trace/define_trace.h>
|