[PATCH 4/4] net/smc: Add net namespace for tracepoints
flat view
STALE1691d
From: Tony Lu <tonylu@linux.alibaba.com>
Date: 2021-12-28 13:07:24
Also in:
linux-rdma, linux-s390
Subsystem:
networking [general], shared memory communications (smc) sockets, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, D. Wythe, Dust Li, Sidraya Jayagond, Mahanta Jambigi, Linus Torvalds
This prints net namespace ID, helps us to distinguish different net namespaces when using tracepoints. Signed-off-by: Tony Lu <tonylu@linux.alibaba.com> --- net/smc/smc_tracepoint.h | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-)
diff --git a/net/smc/smc_tracepoint.h b/net/smc/smc_tracepoint.h
index ec17f29646f5..9fc5e586d24a 100644
--- a/net/smc/smc_tracepoint.h
+++ b/net/smc/smc_tracepoint.h@@ -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) );
--
2.32.0.3.g01195cf9f