linux-kernel - Re: [patch 03/16] sched: introduce primitives to account for CFS bandwidth tracking

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Message-ID: <1308739924.1022.19.camel@twins>
Date:	Wed, 22 Jun 2011 12:52:04 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Paul Turner <pjt@...gle.com>
Cc:	linux-kernel@...r.kernel.org,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	Dhaval Giani <dhaval.giani@...il.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Ingo Molnar <mingo@...e.hu>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Nikhil Rao <ncrao@...gle.com>
Subject: Re: [patch 03/16] sched: introduce primitives to account for CFS
 bandwidth tracking

On Tue, 2011-06-21 at 00:16 -0700, Paul Turner wrote:
> +#ifdef CONFIG_CFS_BANDWIDTH
> +       {
> +               .name = "cfs_quota_us",
> +               .read_s64 = cpu_cfs_quota_read_s64,
> +               .write_s64 = cpu_cfs_quota_write_s64,
> +       },
> +       {
> +               .name = "cfs_period_us",
> +               .read_u64 = cpu_cfs_period_read_u64,
> +               .write_u64 = cpu_cfs_period_write_u64,
> +       },
> +#endif 

Did I miss a reply to:
lkml.kernel.org/r/1305538202.2466.4047.camel@...ns ? why does it make
sense to have different periods per cgroup? what does it mean?
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