From: Alex Shi <alex.shi@linaro.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
lkp@linux.intel.com
Subject: Re: [sched] 73628fba4: +69% context switches
Date: Thu, 16 Jan 2014 10:46:01 +0800 [thread overview]
Message-ID: <52D747E9.9050602@linaro.org> (raw)
In-Reply-To: <20140116021811.GA17073@localhost>
>>>> > >>
>>>> > >> What's about the aim7 shell_rtns_1 and shared throughput?
>>> > >
>>> > > The throughputs remain the same. We only report changed numbers.
>> >
>> > So many interrupt increase doesn't cause any performance change, that
>> > make more doubt of data correction.
>> > Could you like to give the typical vmstat output? Specially the
>> > sys/us/wa/id time percentages.
> wfg@bee /lkp/result/lkp-ne04/micro/aim7/shell_rtns_1/x86_64-lkp/91dd08bd65052b483f96f75abcc93f2f1b67a62c/1% cat vmstat
> 1389799131.230965 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
> 1389799131.231067 r b swpd free buff cache si so bi bo in cs us sy id wa
> 1389799143.207206 1912 26 0 10354424 0 851960 0 0 0 0 8849 31376 28 67 6 0
> 1389799144.207531 1515 35 0 10318484 0 852092 0 0 0 0 7670 28332 31 69 0 0
> 1389799145.207852 1678 26 0 10303276 0 852196 0 0 0 0 7596 27208 31 69 0 0
> 1389799146.208176 1981 43 0 10264672 0 852284 0 0 0 0 7478 27313 31 69 0 0
> 1389799147.208500 1977 35 0 10299316 0 852380 0 0 0 0 8505 29552 30 70 0 0
That's for the data! Is it the per seconds or per 10 seconds?
--
Thanks
Alex
next prev parent reply other threads:[~2014-01-16 2:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-11 10:19 [sched] 73628fba4: +69% context switches Fengguang Wu
2014-01-13 5:57 ` Alex Shi
2014-01-16 1:23 ` Fengguang Wu
2014-01-16 2:02 ` Alex Shi
2014-01-16 2:18 ` Fengguang Wu
2014-01-16 2:46 ` Alex Shi [this message]
2014-01-16 3:01 ` Fengguang Wu
2014-01-16 3:07 ` Alex Shi
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