From aff3083f10bff7a37eaa2b4e6bc5fb627ddd5f84 Mon Sep 17 00:00:00 2001 From: Tony Lu Date: Mon, 1 Nov 2021 15:39:14 +0800 Subject: net/smc: Introduce tracepoints for tx and rx msg This introduce two tracepoints for smc tx and rx msg to help us diagnosis issues of data path. These two tracepoitns don't cover the path of CORK or MSG_MORE in tx, just the top half of data path. Signed-off-by: Tony Lu Reviewed-by: Wen Gu Signed-off-by: David S. Miller --- net/smc/smc_tracepoint.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'net/smc/smc_tracepoint.h') diff --git a/net/smc/smc_tracepoint.h b/net/smc/smc_tracepoint.h index 3bc97f5f2134..eced1546afae 100644 --- a/net/smc/smc_tracepoint.h +++ b/net/smc/smc_tracepoint.h @@ -38,6 +38,43 @@ TRACE_EVENT(smc_switch_to_fallback, __entry->sk, __entry->clcsk, __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(size_t, len) + __string(name, smc->conn.lnk->ibname) + ), + + TP_fast_assign( + __entry->smc = smc; + __entry->len = len; + __assign_str(name, smc->conn.lnk->ibname); + ), + + TP_printk("smc=%p len=%zu dev=%s", + __entry->smc, __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) +); + #endif /* _TRACE_SMC_H */ #undef TRACE_INCLUDE_PATH -- cgit v1.2.3