diff mbox series

[net-next,v2] net_sched: use %px to print skb address in trace_qdisc_dequeue()

Message ID 20210711183234.7889-2-xiyou.wangcong@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [net-next,v2] net_sched: use %px to print skb address in trace_qdisc_dequeue() | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 2 maintainers not CCed: mingo@redhat.com rostedt@goodmis.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 6 this patch: 6
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 6 this patch: 6
netdev/header_inline success Link

Commit Message

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

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>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Qitao Xu <qitao.xu@bytedance.com>
---
 include/trace/events/qdisc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h
index 330d32d84485..58209557cb3a 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 )
 );