From: "Doug Smythies" <dsmythies@telus.net>
To: "'Peter Zijlstra'" <peterz@infradead.org>
Cc: "'Charles Wang'" <muming.wq@gmail.com>,
linux-kernel@vger.kernel.org, "'Ingo Molnar'" <mingo@redhat.com>,
"'Charles Wang'" <muming.wq@taobao.com>, "'Tao Ma'" <tm@tao.ma>,
'含黛' <handai.szj@taobao.com>,
"Doug Smythies" <dsmythies@telus.net>
Subject: RE: [PATCH] sched: Folding nohz load accounting more accurate
Date: Wed, 13 Jun 2012 20:13:29 -0700 [thread overview]
Message-ID: <000101cd49db$b0d92a20$128b7e60$@net> (raw)
In-Reply-To: <1339624653.8980.76.camel@twins>
>> On Wed, 2012-06-13 at 08:33 -0700, Doug Smythies wrote:
> On 2012.06.13 14:58 -0700, Peter Zijlstra wrote:
>>
>> All that being said, what I typically do with a new code test is:
>>
>> . select a known, previous bad operating point. For example 2
>> processes, actual load average 0.30 (0.15 for each process) currently
>> reporting ~1.5.
> OK, I'll try and apply this. Waiting 63 hours for feedback on patches is
> something I'm not patient enough for.
> Would this be:
> ./waiter 2 900 230608 10000
Actually it would be:
./waiter 2 900 345912 9444
At least on my computer, with the CPUs locked into powersave mode (lowest
clock rate). It might be different on your computer as the exact numbers are
computer dependent.
I will change the script generating program to add comment lines as to the
expected execution scenario, as I have troubles also looking up command
lines.
> I haven't even bothered reading the waiter proglet yet, but I did notice
> the 'help' provided when started without arguments doesn't seem to
> actually match what load_180 does.
Right, sorry. I think you will find the newer version (from the "wang"
experiment write up) is O.K.
next prev parent reply other threads:[~2012-06-14 3:13 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-09 10:54 [PATCH] sched: Folding nohz load accounting more accurate Charles Wang
2012-06-11 15:42 ` Peter Zijlstra
[not found] ` <4FD6BFC4.1060302@gmail.com>
2012-06-12 8:54 ` Peter Zijlstra
2012-06-12 9:34 ` Charles Wang
2012-06-12 9:56 ` Peter Zijlstra
2012-06-13 5:55 ` Doug Smythies
2012-06-13 7:56 ` Charles Wang
2012-06-14 4:41 ` Doug Smythies
2012-06-14 15:42 ` Charles Wang
2012-06-16 6:42 ` Doug Smythies
2012-06-13 8:16 ` Peter Zijlstra
2012-06-13 15:33 ` Doug Smythies
2012-06-13 21:57 ` Peter Zijlstra
2012-06-14 3:13 ` Doug Smythies [this message]
2012-06-18 10:13 ` Peter Zijlstra
2012-07-20 19:24 ` sched: care and feeding of load-avg code (Re: [PATCH] sched: Folding nohz load accounting more accurate) Jonathan Nieder
2012-06-15 14:27 ` [PATCH] sched: Folding nohz load accounting more accurate Charles Wang
2012-06-15 17:39 ` Peter Zijlstra
2012-06-16 14:53 ` Doug Smythies
2012-06-18 6:41 ` Doug Smythies
2012-06-18 14:41 ` Charles Wang
2012-06-18 10:06 ` Charles Wang
2012-06-18 16:03 ` Peter Zijlstra
2012-06-19 6:08 ` Yong Zhang
2012-06-19 9:18 ` Peter Zijlstra
2012-06-19 15:50 ` Doug Smythies
2012-06-20 9:45 ` Peter Zijlstra
2012-06-21 4:12 ` Doug Smythies
2012-06-21 6:35 ` Charles Wang
2012-06-21 8:48 ` Peter Zijlstra
2012-06-22 14:03 ` Peter Zijlstra
2012-06-24 21:45 ` Doug Smythies
2012-07-03 16:01 ` Doug Smythies
2012-06-25 2:15 ` Charles Wang
2012-07-06 6:19 ` [tip:sched/core] sched/nohz: Rewrite and fix load-avg computation -- again tip-bot for Peter Zijlstra
2012-06-19 6:19 ` [PATCH] sched: Folding nohz load accounting more accurate Doug Smythies
2012-06-19 6:24 ` Charles Wang
2012-06-19 9:57 ` Peter Zijlstra
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