diff mbox series

[net-next,v2] net: use %px to print skb address in trace_netif_receive_skb

Message ID 20210711183234.7889-1-xiyou.wangcong@gmail.com
State New
Headers show
Series [net-next,v2] net: use %px to print skb address in trace_netif_receive_skb | expand

Commit Message

Cong Wang July 11, 2021, 6:32 p.m. UTC 
From: Qitao Xu <qitao.xu@bytedance.com>

The print format of skb adress in tracepoint class net_dev_template
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>
---
 include/trace/events/net.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/trace/events/net.h b/include/trace/events/net.h
index 2399073c3afc..78c448c6ab4c 100644
--- a/include/trace/events/net.h
+++ b/include/trace/events/net.h
@@ -136,7 +136,7 @@  DECLARE_EVENT_CLASS(net_dev_template,
 		__assign_str(name, skb->dev->name);
 	),
 
-	TP_printk("dev=%s skbaddr=%p len=%u",
+	TP_printk("dev=%s skbaddr=%px len=%u",
 		__get_str(name), __entry->skbaddr, __entry->len)
 )