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From: Peter Williams <pwil3058@bigpond.net.au>
To: Kari Hurtta <hurtta+gmane@siilo.fmi.fi>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC 3/5] sched: Add CPU rate hard caps
Date: Sat, 27 May 2006 11:00:41 +1000	[thread overview]
Message-ID: <4477A4B9.6040702@bigpond.net.au> (raw)
In-Reply-To: <5du07dclws.fsf@attruh.keh.iki.fi>

Kari Hurtta wrote:
> Peter Williams <pwil3058@bigpond.net.au> writes in gmane.linux.kernel:
> 
>> This patch implements hard CPU rate caps per task as a proportion of a
>> single CPU's capacity expressed in parts per thousand.
> 
>> + * Require: 1 <= new_cap <= 1000
>> + */
>> +int set_cpu_rate_hard_cap(struct task_struct *p, unsigned int new_cap)
>> +{
>> +	int is_allowed;
>> +	unsigned long flags;
>> +	struct runqueue *rq;
>> +	int delta;
>> +
>> +	if (new_cap > 1000 && new_cap > 0)
>> +		return -EINVAL;
> 
> That condition looks wrong.

It certainly does.

Thanks
Peter
-- 
Peter Williams                                   pwil3058@bigpond.net.au

"Learning, n. The kind of ignorance distinguishing the studious."
  -- Ambrose Bierce

  reply	other threads:[~2006-05-27  1:00 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-26  4:20 [RFC 0/5] sched: Add CPU rate caps Peter Williams
2006-05-26  4:20 ` [RFC 1/5] sched: Fix priority inheritence before CPU rate soft caps Peter Williams
2006-05-26  4:20 ` [RFC 2/5] sched: Add " Peter Williams
2006-05-26 10:48   ` Con Kolivas
2006-05-26 11:15     ` Mike Galbraith
2006-05-26 11:17       ` Con Kolivas
2006-05-26 11:30         ` Mike Galbraith
2006-05-26 13:55     ` Peter Williams
2006-05-27  6:31   ` Balbir Singh
2006-05-27  7:03     ` Peter Williams
2006-05-28  0:11       ` Peter Williams
2006-05-28  7:38         ` Balbir Singh
2006-05-28 13:35           ` Peter Williams
2006-05-28 14:42             ` Balbir Singh
2006-05-28 23:27               ` Peter Williams
2006-05-31 13:17                 ` Kirill Korotaev
2006-05-31 23:39                   ` Peter Williams
2006-06-01  8:09                     ` Kirill Korotaev
2006-06-01 23:38                       ` Peter Williams
2006-06-02  1:35                         ` Peter Williams
2006-05-26  4:20 ` [RFC 3/5] sched: Add CPU rate hard caps Peter Williams
2006-05-26  6:58   ` Kari Hurtta
2006-05-27  1:00     ` Peter Williams [this message]
2006-05-26 11:00   ` Con Kolivas
2006-05-26 13:59     ` Peter Williams
2006-05-26 14:12       ` Con Kolivas
2006-05-26 14:23       ` Mike Galbraith
2006-05-27  0:16         ` Peter Williams
2006-05-27  9:28           ` Mike Galbraith
2006-05-28  2:09             ` Peter Williams
2006-05-27  6:48   ` Balbir Singh
2006-05-27  8:44     ` Peter Williams
2006-05-31 13:10       ` Kirill Korotaev
2006-05-31 15:59         ` Balbir Singh
2006-05-31 18:09           ` Mike Galbraith
2006-06-01  7:41           ` Kirill Korotaev
2006-06-01  8:34             ` Balbir Singh
2006-06-01 18:43               ` [ckrm-tech] " Chandra Seetharaman
2006-06-01 23:26                 ` Peter Williams
2006-06-02  2:02                   ` Chandra Seetharaman
2006-06-02  3:21                     ` Peter Williams
2006-06-02  8:32                       ` Balbir Singh
2006-06-02 13:30                         ` Peter Williams
2006-06-02 18:58                           ` Balbir Singh
2006-06-02 23:49                             ` Peter Williams
2006-06-03  4:59                               ` Balbir Singh
2006-06-02 19:06                       ` Chandra Seetharaman
2006-06-03  0:04                         ` Peter Williams
2006-06-02  0:36                 ` Con Kolivas
2006-06-02  2:03                   ` [ckrm-tech] " Chandra Seetharaman
2006-06-02  5:55                 ` [ckrm-tech] [RFC 3/5] " Peter Williams
2006-06-02  7:47                   ` Kirill Korotaev
2006-06-02 13:34                     ` Peter Williams
2006-06-05 22:11                     ` Sam Vilain
2006-06-06  8:24                       ` Kirill Korotaev
2006-06-06  9:13                         ` Con Kolivas
2006-06-06  9:28                           ` Kirill Korotaev
2006-06-02  8:46                   ` Mike Galbraith
2006-06-02 13:18                     ` Peter Williams
2006-06-02 14:47                       ` Mike Galbraith
2006-06-03  0:08                         ` Peter Williams
2006-06-03  6:02                           ` Mike Galbraith
2006-06-03 11:03                             ` Peter Williams
2006-06-06 11:26                         ` Srivatsa Vaddagiri
2006-06-02  7:34                 ` Kirill Korotaev
2006-06-02 21:23                   ` Shailabh Nagar
2006-06-01 23:47               ` Sam Vilain
2006-06-01 23:43           ` Peter Williams
2006-05-31 23:28         ` Peter Williams
2006-06-01  7:44           ` Kirill Korotaev
2006-06-01 23:21             ` Peter Williams
2006-05-26  4:21 ` [RFC 4/5] sched: Add procfs interface for CPU rate soft caps Peter Williams
2006-05-26  4:21 ` [RFC 5/5] sched: Add procfs interface for CPU rate hard caps Peter Williams
2006-05-26  8:04 ` [RFC 0/5] sched: Add CPU rate caps Mike Galbraith
2006-05-26 16:11   ` Björn Steinbrink
2006-05-28 22:46     ` Sam Vilain
2006-05-28 23:30       ` Peter Williams
2006-05-29  3:09         ` Sam Vilain
2006-05-29  3:41           ` Peter Williams
2006-05-29 21:16             ` Sam Vilain
2006-05-29 23:12               ` Peter Williams
2006-05-30  2:07                 ` Sam Vilain
2006-05-30  2:45                   ` Peter Williams
2006-05-30 22:05                     ` Sam Vilain
2006-05-30 23:22                       ` Peter Williams
2006-05-30 23:25                       ` Peter Williams
2006-06-05 23:56                       ` Peter Williams
2006-05-27  0:16   ` Peter Williams
2006-05-26 10:41 ` Con Kolivas
2006-05-27  1:28   ` Peter Williams
2006-05-27  1:42     ` Con Kolivas
2006-05-26 11:09 ` Con Kolivas
2006-05-26 14:00   ` Peter Williams
2006-05-26 11:29 ` Balbir Singh
2006-05-27  1:40   ` Peter Williams
  -- strict thread matches above, loose matches on Subject: below --
2006-06-01 21:03 [RFC 3/5] sched: Add CPU rate hard caps Al Boldi
2006-06-02  1:33 ` Peter Williams
2006-06-02 11:23   ` Matt Helsley
2006-06-02 13:16     ` Peter Williams
2006-06-06 10:47     ` Srivatsa Vaddagiri

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