From: Randy Dunlap <randy.dunlap@oracle.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, axboe@kernel.dk
Cc: linux-mm <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [Q] PGPGIN underflow?
Date: Thu, 24 Mar 2011 09:57:35 -0700 [thread overview]
Message-ID: <20110324095735.61bfa370.randy.dunlap@oracle.com> (raw)
In-Reply-To: <20110324105307.1AF3.A69D9226@jp.fujitsu.com>
On Thu, 24 Mar 2011 10:52:54 +0900 (JST) KOSAKI Motohiro wrote:
> Hi all,
>
> Recently, vmstast show crazy big "bi" value even though the system has
> no stress. Is this known issue?
>
> Thanks.
underflow? also looks like -3 or -ESRCH.
Adding Jens in case he has any idea about it.
>
> % vmstat 1
> procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
> r b swpd free buff cache si so bi bo in cs us sy id wa st
> 1 0 0 1133060 151336 479708 0 0 0 0 50 50 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 35 30 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 27 24 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 29 26 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 26 22 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 27 24 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 45 49 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 62 54 1 0 99 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 54 56 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 28 24 0 1 99 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 54 54 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 42 38 0 1 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 31 24 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 33 24 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 56 58 1 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 157 225 1 0 98 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 40 37 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 51 47 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 51 46 1 0 99 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 296 418 2 0 97 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 295 419 3 2 95 0 0
> 0 0 0 1133060 151336 479708 16 0 0 0 313 449 3 1 96 0 0
> 0 0 0 1132936 151336 479708 0 0 4294967293 0 331 448 5 1 95 0 0
> 1 0 0 1132936 151336 479708 0 0 0 0 303 445 3 1 96 0 0
> 0 0 0 1132936 151336 479708 16 0 0 0 308 433 3 1 96 0 0
> 0 0 0 1132936 151336 479708 0 0 0 0 307 450 4 0 96 0 0
> 1 0 0 1132936 151344 479704 96 0 0 0 255 222 6 1 93 0 0
> 1 0 0 1132812 151344 479708 0 0 4294967293 0 397 310 11 1 88 0 0
> 0 0 0 1132688 151344 479708 0 0 4294967293 0 410 365 9 1 90 0 0
> 1 0 0 1132812 151344 479708 0 0 3 0 33 32 0 0 100 0 0
> 0 0 0 1132812 151344 479708 0 0 0 0 31 23 0 0 100 0 0
> 0 0 0 1132812 151344 479708 0 0 0 0 35 34 0 0 100 0 0
>
> --
---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
WARNING: multiple messages have this Message-ID (diff)
From: Randy Dunlap <randy.dunlap@oracle.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, axboe@kernel.dk
Cc: linux-mm <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [Q] PGPGIN underflow?
Date: Thu, 24 Mar 2011 09:57:35 -0700 [thread overview]
Message-ID: <20110324095735.61bfa370.randy.dunlap@oracle.com> (raw)
In-Reply-To: <20110324105307.1AF3.A69D9226@jp.fujitsu.com>
On Thu, 24 Mar 2011 10:52:54 +0900 (JST) KOSAKI Motohiro wrote:
> Hi all,
>
> Recently, vmstast show crazy big "bi" value even though the system has
> no stress. Is this known issue?
>
> Thanks.
underflow? also looks like -3 or -ESRCH.
Adding Jens in case he has any idea about it.
>
> % vmstat 1
> procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
> r b swpd free buff cache si so bi bo in cs us sy id wa st
> 1 0 0 1133060 151336 479708 0 0 0 0 50 50 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 35 30 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 27 24 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 29 26 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 26 22 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 27 24 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 45 49 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 62 54 1 0 99 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 54 56 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 28 24 0 1 99 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 54 54 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 42 38 0 1 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 31 24 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 33 24 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 56 58 1 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 157 225 1 0 98 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 40 37 0 0 100 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 51 47 0 0 100 0 0
> 1 0 0 1133060 151336 479708 0 0 0 0 51 46 1 0 99 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 296 418 2 0 97 0 0
> 0 0 0 1133060 151336 479708 0 0 0 0 295 419 3 2 95 0 0
> 0 0 0 1133060 151336 479708 16 0 0 0 313 449 3 1 96 0 0
> 0 0 0 1132936 151336 479708 0 0 4294967293 0 331 448 5 1 95 0 0
> 1 0 0 1132936 151336 479708 0 0 0 0 303 445 3 1 96 0 0
> 0 0 0 1132936 151336 479708 16 0 0 0 308 433 3 1 96 0 0
> 0 0 0 1132936 151336 479708 0 0 0 0 307 450 4 0 96 0 0
> 1 0 0 1132936 151344 479704 96 0 0 0 255 222 6 1 93 0 0
> 1 0 0 1132812 151344 479708 0 0 4294967293 0 397 310 11 1 88 0 0
> 0 0 0 1132688 151344 479708 0 0 4294967293 0 410 365 9 1 90 0 0
> 1 0 0 1132812 151344 479708 0 0 3 0 33 32 0 0 100 0 0
> 0 0 0 1132812 151344 479708 0 0 0 0 31 23 0 0 100 0 0
> 0 0 0 1132812 151344 479708 0 0 0 0 35 34 0 0 100 0 0
>
> --
---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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next prev parent reply other threads:[~2011-03-24 16:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-24 1:52 [Q] PGPGIN underflow? KOSAKI Motohiro
2011-03-24 1:52 ` KOSAKI Motohiro
2011-03-24 16:57 ` Randy Dunlap [this message]
2011-03-24 16:57 ` Randy Dunlap
2011-03-25 7:50 ` Jens Axboe
2011-03-25 7:50 ` Jens Axboe
2011-03-29 0:12 ` KOSAKI Motohiro
2011-03-29 0:12 ` KOSAKI Motohiro
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