[PATCH net-next 3/3] ipv4: Report netns cookie in fib_table_lookup tracepoint
flat view
WARM2d
REVIEWED: 1 (1M)
From: Ido Schimmel <idosch@nvidia.com>
Date: 2026-10-06 15:57:07
Subsystem:
the rest, tracing · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
Revision v1 of 2 in this series; 1 review trailer.
Revisions (2)
- v1 current
- v2 [diff vs current]
The fib_table_lookup tracepoint does not report the network namespace in which the lookup was performed, making it impossible to tell apart lookups performed in different namespaces. Report the network namespace cookie now that the namespace is passed to the tracepoint. Assisted-by: LLM Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> --- include/trace/events/fib.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/trace/events/fib.h b/include/trace/events/fib.h
index 9a88060aa92e..7852e9ba3861 100644
--- a/include/trace/events/fib.h
+++ b/include/trace/events/fib.h@@ -35,6 +35,7 @@ TRACE_EVENT(fib_table_lookup, __field( u16, sport ) __field( u16, dport ) __array(char, name, IFNAMSIZ ) + __field( u64, net_cookie ) ), TP_fast_assign(
@@ -90,13 +91,16 @@ TRACE_EVENT(fib_table_lookup, in6 = (struct in6_addr *)__entry->gw6; *in6 = in6addr_any; } + + __entry->net_cookie = net->net_cookie; ), - TP_printk("table %u oif %d iif %d proto %u %pI4/%u -> %pI4/%u tos %d scope %d flags %x ==> dev %s gw %pI4/%pI6c err %d", + TP_printk("table %u oif %d iif %d proto %u %pI4/%u -> %pI4/%u tos %d scope %d flags %x ==> dev %s gw %pI4/%pI6c err %d net_cookie %llu", __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, __entry->src, __entry->sport, __entry->dst, __entry->dport, __entry->tos, __entry->scope, __entry->flags, - __entry->name, __entry->gw4, __entry->gw6, __entry->err) + __entry->name, __entry->gw4, __entry->gw6, __entry->err, + __entry->net_cookie) ); #endif /* _TRACE_FIB_H */
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2.55.0