From: "Iram Shahzad" <iram.shahzad@jp.fujitsu.com>
To: Minchan Kim <minchan.kim@gmail.com>,
Wu Fengguang <fengguang.wu@intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: compaction: trying to understand the code
Date: Mon, 23 Aug 2010 12:03:55 +0900 [thread overview]
Message-ID: <C06122FE6B6044BD94C8A632B205D909@rainbow> (raw)
In-Reply-To: <AANLkTim8c5C+vH1HUx-GsScirmnVoJXenLST1qQgk2bp@mail.gmail.com>
> Iram. How do you execute test_app?
>
> 1) synchronous test
> 1.1 start test_app
> 1.2 wait test_app job done (ie, wait memory is fragment)
> 1.3 echo 1 > /proc/sys/vm/compact_memory
>
> 2) asynchronous test
> 2.1 start test_app
> 2.2 not wait test_app job done
> 2.3 echo 1 > /proc/sys/vm/compact_memory(Maybe your test app and
> compaction were executed parallel)
It's synchronous.
First I confirm that the test app has completed its fragmentation work
by looking at the printf output. Then only I run echo 1 >
/proc/sys/vm/compact_memory.
After completing fragmentation work, my test app sleeps in a useless while
loop
which I think is not important.
Thanks
Iram
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next prev parent reply other threads:[~2010-08-23 2:59 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-17 11:08 Iram Shahzad
2010-08-17 11:10 ` Mel Gorman
2010-08-18 8:19 ` Iram Shahzad
2010-08-18 15:41 ` Wu Fengguang
2010-08-19 7:09 ` Iram Shahzad
2010-08-19 7:45 ` Wu Fengguang
2010-08-19 7:46 ` Mel Gorman
2010-08-19 8:08 ` Wu Fengguang
2010-08-19 8:15 ` Mel Gorman
2010-08-19 8:29 ` Wu Fengguang
2010-08-20 5:45 ` Iram Shahzad
2010-08-20 5:50 ` Wu Fengguang
2010-08-20 6:13 ` Iram Shahzad
2010-08-19 16:00 ` Minchan Kim
2010-08-20 5:31 ` Iram Shahzad
2010-08-20 5:34 ` Wu Fengguang
2010-08-20 9:35 ` Mel Gorman
2010-08-20 10:22 ` Minchan Kim
2010-08-22 15:31 ` Minchan Kim
2010-08-22 23:23 ` Wu Fengguang
2010-08-23 1:58 ` Minchan Kim
2010-08-23 3:03 ` Iram Shahzad [this message]
2010-08-23 9:10 ` Minchan Kim
2010-08-26 8:51 ` Mel Gorman
2010-08-23 7:18 ` Mel Gorman
2010-08-23 17:14 ` Minchan Kim
2010-08-24 0:27 ` Wu Fengguang
2010-08-24 5:07 ` Iram Shahzad
2010-08-24 6:52 ` Minchan Kim
2010-08-26 8:05 ` Iram Shahzad
2010-08-23 7:16 ` Mel Gorman
2010-08-23 9:07 ` Minchan Kim
2010-08-20 10:23 ` Wu Fengguang
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