From 851f36e40962408309ad2665bf0056c19a97881c Mon Sep 17 00:00:00 2001
From: Qitao Xu <qitao.xu@bytedance.com>
Date: Wed, 14 Jul 2021 23:00:21 -0700
Subject: [PATCH] net_sched: use %px to print skb address in
trace_qdisc_dequeue()
Print format of skbaddr is changed to %px from %p, because we want
to use skb address as a quick way to identify a packet.
Note, trace ring buffer is only accessible to privileged users,
it is safe to use a real kernel address here.
Reviewed-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Qitao Xu <qitao.xu@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/trace/events/qdisc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h
index 330d32d84485b..58209557cb3a5 100644
--- a/include/trace/events/qdisc.h
+++ b/include/trace/events/qdisc.h
@@ -41,7 +41,7 @@ TRACE_EVENT(qdisc_dequeue,
__entry->txq_state = txq->state;
),
- TP_printk("dequeue ifindex=%d qdisc handle=0x%X parent=0x%X txq_state=0x%lX packets=%d skbaddr=%p",
+ TP_printk("dequeue ifindex=%d qdisc handle=0x%X parent=0x%X txq_state=0x%lX packets=%d skbaddr=%px",
__entry->ifindex, __entry->handle, __entry->parent,
__entry->txq_state, __entry->packets, __entry->skbaddr )
);
--
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