On 2026/1/2 23:45, Steven Rostedt wrote:
> On Fri,  2 Jan 2026 14:17:18 +0800
> Leon Hwang <[email protected]> wrote:
> 
>> diff --git a/include/trace/events/page_pool.h 
>> b/include/trace/events/page_pool.h
>> index 31825ed30032..c34de6a5ae80 100644
>> --- a/include/trace/events/page_pool.h
>> +++ b/include/trace/events/page_pool.h
>> @@ -113,6 +113,30 @@ TRACE_EVENT(page_pool_update_nid,
>>                __entry->pool, __entry->pool_nid, __entry->new_nid)
>>  );
>>  
>> +TRACE_EVENT(page_pool_release_stalled,
>> +
>> +    TP_PROTO(const struct page_pool *pool, int inflight, int sec),
>> +
>> +    TP_ARGS(pool, inflight, sec),
>> +
>> +    TP_STRUCT__entry(
>> +            __field(const struct page_pool *, pool)
>> +            __field(u32,                      id)
>> +            __field(int,                      inflight)
>> +            __field(int,                      sec)
>> +    ),
>> +
>> +    TP_fast_assign(
>> +            __entry->pool           = pool;
>> +            __entry->id             = pool->user.id;
>> +            __entry->inflight       = inflight;
>> +            __entry->sec            = sec;
>> +    ),
>> +
>> +    TP_printk("page_pool=%p id=%d inflight=%d sec=%d",
>> +              __entry->pool, __entry->id, __entry->inflight, __entry->sec)
>> +);
>> +
>>  #endif /* _TRACE_PAGE_POOL_H */
> 
> From a tracing POV, I see nothing wrong with this.
> 
> Reviewed-by: Steven Rostedt (Google) <[email protected]>
> 
> -- Steve

Hi Steve,

Thanks for the review!

I realized the id should be printed with '%u', so I've sent out v3 [1]
with that adjustment.

Links:
[1]
https://lore.kernel.org/netdev/[email protected]/

Thanks,
Leon


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