Re: [PATCH net-next v2] net: skb: export skb drop reaons to user by TRACE_DEFINE_ENUM
From: Eric Dumazet
Date: Thu Oct 27 2022 - 12:29:24 EST
On Thu, Oct 27, 2022 at 8:43 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> On Thu, 27 Oct 2022 08:32:02 -0700
> Eric Dumazet <edumazet@xxxxxxxxxx> wrote:
>
> > This seems broken again (tried on latest net-next tree)
> >
> > perf script
>
> Do you also have the latest perf and the latest libtraceevent installed?
>
I tried a more recent perf binary we have, but it is also not right.
I guess I will have to request a new perf binary at Google :/
perf5 script
swapper 0 [030] 4147.704606: skb:kfree_skb: [UNKNOWN EVENT]
kworker/30:1-ev 308 [030] 4147.704615: skb:kfree_skb: [UNKNOWN EVENT]
swapper 0 [030] 4148.048173: skb:kfree_skb: [UNKNOWN EVENT]
kworker/30:1-ev 308 [030] 4148.048179: skb:kfree_skb: [UNKNOWN EVENT]
swapper 0 [008] 4148.048773: skb:kfree_skb: [UNKNOWN EVENT]
swapper 0 [030] 4148.112271: skb:kfree_skb: [UNKNOWN EVENT]
kworker/30:1-ev 308 [030] 4148.112280: skb:kfree_skb: [UNKNOWN EVENT]
swapper 0 [030] 4148.720149: skb:kfree_skb: [UNKNOWN EVENT]
kworker/30:1-ev 308 [030] 4148.720155: skb:kfree_skb: [UNKNOWN EVENT]
swapper 0 [030] 4149.072141: skb:kfree_skb: [UNKNOWN EVENT]
kworker/30:1-ev 308 [030] 4149.072149: skb:kfree_skb: [UNKNOWN EVENT]