Re: [PATCH] mm: compaction: show gfp flag names in try_to_compact_pages tracepoint

From: Michal Hocko
Date: Tue Mar 12 2019 - 12:17:10 EST


On Sat 02-03-19 12:38:57, Yafang Shao wrote:
> show the gfp flag names instead of the gfp_mask could make the trace
> more convenient.

Agreed

> Signed-off-by: Yafang Shao <laoar.shao@xxxxxxxxx>

Acked-by: Michal Hocko <mhocko@xxxxxxxx>

> ---
> include/trace/events/compaction.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h
> index 6074eff..e66afb818 100644
> --- a/include/trace/events/compaction.h
> +++ b/include/trace/events/compaction.h
> @@ -189,9 +189,9 @@
> __entry->prio = prio;
> ),
>
> - TP_printk("order=%d gfp_mask=0x%x priority=%d",
> + TP_printk("order=%d gfp_mask=%s priority=%d",
> __entry->order,
> - __entry->gfp_mask,
> + show_gfp_flags(__entry->gfp_mask),
> __entry->prio)
> );
>
> --
> 1.8.3.1
>

--
Michal Hocko
SUSE Labs