linux-kernel - Re: [PATCH v5] block: Add ioprio to block

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Date: Fri, 28 Jun 2024 14:38:30 +0800
From: dongliang cui <cuidongliang390@...il.com>
To: Chaitanya Kulkarni <chaitanyak@...dia.com>
Cc: Dongliang Cui <dongliang.cui@...soc.com>, "axboe@...nel.dk" <axboe@...nel.dk>, 
	"rostedt@...dmis.org" <rostedt@...dmis.org>, "mhiramat@...nel.org" <mhiramat@...nel.org>, 
	"mathieu.desnoyers@...icios.com" <mathieu.desnoyers@...icios.com>, 
	"ebiggers@...nel.org" <ebiggers@...nel.org>, "bvanassche@....org" <bvanassche@....org>, 
	"ke.wang@...soc.com" <ke.wang@...soc.com>, "hongyu.jin.cn@...il.com" <hongyu.jin.cn@...il.com>, 
	"niuzhiguo84@...il.com" <niuzhiguo84@...il.com>, "hao_hao.wang@...soc.com" <hao_hao.wang@...soc.com>, 
	"linux-block@...r.kernel.org" <linux-block@...r.kernel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "akailash@...gle.com" <akailash@...gle.com>
Subject: Re: [PATCH v5] block: Add ioprio to block_rq tracepoint

On Tue, Jun 18, 2024 at 8:29 AM Chaitanya Kulkarni
<chaitanyak@...dia.com> wrote:
>
> On 6/14/24 00:49, Dongliang Cui wrote:
> > Sometimes we need to track the processing order of requests with
> > ioprio set. So the ioprio of request can be useful information.
> >
> > Example：
> >
> > block_rq_insert: 8,0 RA 16384 () 6500840 + 32 be,0,6 [binder:815_3]
> > block_rq_issue: 8,0 RA 16384 () 6500840 + 32 be,0,6 [binder:815_3]
> > block_rq_complete: 8,0 RA () 6500840 + 32 be,0,6 [0]
> >
> > Signed-off-by: Dongliang Cui<dongliang.cui@...soc.com>
>
> Looks useful to me.
>
> Reviewed-by: Chaitanya Kulkarni <kch@...dia.com>
>
> -ck
>
>
kindly ping...