Commit 409f386b authored by Tonghao Zhang's avatar Tonghao Zhang Committed by David S. Miller
Browse files

qdisc: add new field for qdisc_enqueue tracepoint 



qdisc_enqueue tracepoint can work with qdisc:qdisc_dequeue
to measure packets latency in qdisc queues.

Add a new field txq for it, then we can retrieve more info.

Signed-off-by: default avatarTonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ef17e2ac

include/trace/events/qdisc.h

+2 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ TRACE_EVENT(qdisc_enqueue, 


	TP_STRUCT__entry(

		__field(struct Qdisc *, qdisc)

		__field(const struct netdev_queue *, txq)

		__field(void *,	skbaddr)

		__field(int, ifindex)

		__field(u32, handle)
@@ -62,6 +63,7 @@ TRACE_EVENT(qdisc_enqueue, 


	TP_fast_assign(

		__entry->qdisc = qdisc;

		__entry->txq	 = txq;

		__entry->skbaddr = skb;

		__entry->ifindex = txq->dev ? txq->dev->ifindex : 0;

		__entry->handle	 = qdisc->handle;