Commit a838f508 authored by Tony Lu's avatar Tony Lu Committed by David S. Miller
Browse files

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: default avatarTony Lu <tonylu@linux.alibaba.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent de2fea7b

net/smc/smc_tracepoint.h

+16 −7
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ TRACE_EVENT(smc_switch_to_fallback, 
	    TP_STRUCT__entry(

			     __field(const void *, sk)

			     __field(const void *, clcsk)

			     __field(u64, net_cookie)

			     __field(int, fallback_rsn)

	    ),
@@ -31,11 +32,13 @@ TRACE_EVENT(smc_switch_to_fallback, 


			   __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 fallback_rsn=%d",

		      __entry->sk, __entry->clcsk, __entry->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,
@@ -46,19 +49,23 @@ DECLARE_EVENT_CLASS(smc_msg_event, 


		    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 len=%zu dev=%s",

			      __entry->smc, __entry->len,

			      __get_str(name))

		    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,
@@ -84,6 +91,7 @@ TRACE_EVENT(smcr_link_down, 
	    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)
@@ -94,13 +102,14 @@ TRACE_EVENT(smcr_link_down, 


			   __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 state=%d dev=%s location=%pS",

		      __entry->lnk, __entry->lgr,

	    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)

);