linux/net/smc/smc_tracepoint.h
Tony Lu a838f50848 net/smc: Add net namespace for tracepoints
This prints net namespace ID, helps us to distinguish different net
namespaces when using tracepoints.

Signed-off-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-02 12:07:39 +00:00

126 lines
2.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM smc
#if !defined(_TRACE_SMC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SMC_H
#include <linux/ipv6.h>
#include <linux/tcp.h>
#include <linux/tracepoint.h>
#include <net/ipv6.h>
#include "smc.h"
#include "smc_core.h"
TRACE_EVENT(smc_switch_to_fallback,
TP_PROTO(const struct smc_sock *smc, int fallback_rsn),
TP_ARGS(smc, fallback_rsn),
TP_STRUCT__entry(
__field(const void *, sk)
__field(const void *, clcsk)
__field(u64, net_cookie)
__field(int, fallback_rsn)
),
TP_fast_assign(
const struct sock *sk = &smc->sk;
const struct sock *clcsk = smc->clcsock->sk;
__entry->sk = sk;
__entry->clcsk = clcsk;
__entry->net_cookie = sock_net(sk)->net_cookie;
__entry->fallback_rsn = fallback_rsn;
),
TP_printk("sk=%p clcsk=%p net=%llu fallback_rsn=%d",
__entry->sk, __entry->clcsk,
__entry->net_cookie, __entry->fallback_rsn)
);
DECLARE_EVENT_CLASS(smc_msg_event,
TP_PROTO(const struct smc_sock *smc, size_t len),
TP_ARGS(smc, len),
TP_STRUCT__entry(
__field(const void *, smc)
__field(u64, net_cookie)
__field(size_t, len)
__string(name, smc->conn.lnk->ibname)
),
TP_fast_assign(
const struct sock *sk = &smc->sk;
__entry->smc = smc;
__entry->net_cookie = sock_net(sk)->net_cookie;
__entry->len = len;
__assign_str(name, smc->conn.lnk->ibname);
),
TP_printk("smc=%p net=%llu len=%zu dev=%s",
__entry->smc, __entry->net_cookie,
__entry->len, __get_str(name))
);
DEFINE_EVENT(smc_msg_event, smc_tx_sendmsg,
TP_PROTO(const struct smc_sock *smc, size_t len),
TP_ARGS(smc, len)
);
DEFINE_EVENT(smc_msg_event, smc_rx_recvmsg,
TP_PROTO(const struct smc_sock *smc, size_t len),
TP_ARGS(smc, len)
);
TRACE_EVENT(smcr_link_down,
TP_PROTO(const struct smc_link *lnk, void *location),
TP_ARGS(lnk, location),
TP_STRUCT__entry(
__field(const void *, lnk)
__field(const void *, lgr)
__field(u64, net_cookie)
__field(int, state)
__string(name, lnk->ibname)
__field(void *, location)
),
TP_fast_assign(
const struct smc_link_group *lgr = lnk->lgr;
__entry->lnk = lnk;
__entry->lgr = lgr;
__entry->net_cookie = lgr->net->net_cookie;
__entry->state = lnk->state;
__assign_str(name, lnk->ibname);
__entry->location = location;
),
TP_printk("lnk=%p lgr=%p net=%llu state=%d dev=%s location=%pS",
__entry->lnk, __entry->lgr, __entry->net_cookie,
__entry->state, __get_str(name),
__entry->location)
);
#endif /* _TRACE_SMC_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE smc_tracepoint
#include <trace/define_trace.h>