Re: [PATCH net-next v2] net: skb: export skb drop reaons to user by TRACE_DEFINE_ENUM

[Steven Rostedt]

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?

-- Steve

>             sshd 12192 [006]   200.090602: skb:kfree_skb:
> skbaddr=0x2fa000400000 protocol=7844 location=0x2fa000001ea4 reason:
>          swapper     0 [030]   200.497468: skb:kfree_skb:
> skbaddr=0xba00400001 protocol=65535 location=0x9080c62800000000
> reason:
>  kworker/30:1-ev   308 [030]   200.497476: skb:kfree_skb:
> skbaddr=0xba00400001 protocol=65535 location=0x9080c62800000000
> reason:
>          swapper     0 [009]   200.957881: skb:kfree_skb:
> skbaddr=0x2fa400400000 protocol=12195 location=0x2fa400002fa3 reason:
>          swapper     0 [026]   201.515769: skb:kfree_skb:
> skbaddr=0xb600400001 protocol=65535 location=0x9080c62800000000
> reason:
>  kworker/26:1-mm   276 [026]   201.515797: skb:kfree_skb:
> skbaddr=0xb600400001 protocol=65535 location=0x9080c62800000000
> reason:
>  kworker/26:1-mm   276 [026]   201.515802: skb:kfree_skb:
> skbaddr=0x2f9f00400000 protocol=12189 location=0x2f9f00002f9d reason:
>          swapper     0 [030]   201.521484: skb:kfree_skb:
> skbaddr=0xba00400001 protocol=65535 location=0x9080c62800000000
> reason:
>  kworker/30:1-ev   308 [030]   201.521491: skb:kfree_skb:
> skbaddr=0x2fa100400000 protocol=12192 location=0x2fa100002fa0 reason: