linux-kernel - Re: [PATCH, take2] getrusage() : Fill ru_inblock and ru

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Date:	Mon, 19 Mar 2007 13:53:58 +0300
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH, take2] getrusage() : Fill ru_inblock and ru_oublock fields if possible

On 03/19, Eric Dumazet wrote:
>
> +static inline unsigned long task_io_get_inblock(const struct task_struct *p)
> +{
> +	return p->ioac.read_bytes >> 9;
> +}
>
> [...snip...]
>
> @@ -2021,6 +2022,8 @@ static void k_getrusage(struct task_stru
>  			r->ru_nivcsw = p->signal->cnivcsw;
>  			r->ru_minflt = p->signal->cmin_flt;
>  			r->ru_majflt = p->signal->cmaj_flt;
> +			r->ru_inblock = p->signal->cinblock;
> +			r->ru_oublock = p->signal->coublock;
>  
>  			if (who == RUSAGE_CHILDREN)
>  				break;
> @@ -2032,6 +2035,8 @@ static void k_getrusage(struct task_stru
>  			r->ru_nivcsw += p->signal->nivcsw;
>  			r->ru_minflt += p->signal->min_flt;
>  			r->ru_majflt += p->signal->maj_flt;
> +			r->ru_inblock += task_io_get_inblock(p->signal);

p->signal is "struct signal_struct *", not "struct task_struct *" as
task_io_get_inblock() expects ?

Oleg.

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