Re: High load since upgrade

[Willy Tarreau <willy@w.ods.org>]

Hi,

On Sun, Dec 11, 2005 at 12:54:45PM -0000, Brent wrote:
> Almost everything is statically compiled apart from a few things that I
> didn't feel like rebooting for.
> I also put up the .config at http://pics.skyblue.eu.org/graphs/config.txt if
> you want to check that out as well.
> 
> lon-gw:/var/log# lsmod
> Module                  Size  Used by
> 8250                   27380  0 
> serial_core            25984  1 8250
> lon-gw:/var/log# 
> 
> 
> USER       PID %CPU %MEM   VSZ  RSS TTY      STAT START   TIME COMMAND
> root         1  0.0  0.0  1584  516 ?        S    Dec09   0:01 init [2]  
> root         2  0.0  0.0     0    0 ?        S    Dec09   0:06 [migration/0]
> root         3  0.0  0.0     0    0 ?        SN   Dec09   0:00 [ksoftirqd/0]
> root         4  0.0  0.0     0    0 ?        S    Dec09   0:06 [migration/1]
> root         5  0.0  0.0     0    0 ?        SN   Dec09   0:00 [ksoftirqd/1]
> root         6  0.0  0.0     0    0 ?        S<   Dec09   0:00 [events/0]
> root         7  0.0  0.0     0    0 ?        S<   Dec09   0:00 [events/1]
> root         8  0.0  0.0     0    0 ?        S<   Dec09   0:00 [khelper]
> root         9  0.0  0.0     0    0 ?        S<   Dec09   0:00 [kthread]
> root        12  0.0  0.0     0    0 ?        S<   Dec09   0:00 [kacpid]
> root        78  0.0  0.0     0    0 ?        S<   Dec09   0:00 [kblockd/0]
> root        79  0.0  0.0     0    0 ?        S<   Dec09   0:00 [kblockd/1]
> root        82  0.0  0.0     0    0 ?        S<   Dec09   0:00 [khubd]
> root       183  0.0  0.0     0    0 ?        S    Dec09   0:00 [pdflush]
> root       184  0.0  0.0     0    0 ?        S    Dec09   0:00 [pdflush]
> root       186  0.0  0.0     0    0 ?        S<   Dec09   0:00 [aio/0]
> root       185  0.0  0.0     0    0 ?        S    Dec09   0:00 [kswapd0]
> root       187  0.0  0.0     0    0 ?        S<   Dec09   0:00 [aio/1]
> root       771  0.0  0.0     0    0 ?        S<   Dec09   0:00 [kseriod]
> root       848  0.0  0.0     0    0 ?        S<   Dec09   0:00 [scsi_eh_0]
> root       881  0.0  0.0     0    0 ?        S<   Dec09   0:00 [scsi_eh_1]
> root       915  0.0  0.0     0    0 ?        S<   Dec09   0:00 [scsi_eh_2]
> root       961  0.0  0.0     0    0 ?        D    Dec09   0:00 [firmware/dell_r]
                                             ^^^^^               ^^^^^^^^^^^^^^^

What's this kernel thread ? The fact that it's stuck in D state makes me
think it may be the responsible for the skewed values you measure. Can you
retry without it ? I don't know where it comes from, maybe this is related
to some of the following discoveries, I don't know :

> scsi2 : LSI Logic MegaRAID driver
> scsi[2]: scanning scsi channel 0 [Phy 0] for non-raid devices
>   Vendor: DELL      Model: 1x3 U2W SCSI BP   Rev: 1.21
>   Type:   Processor                          ANSI SCSI revision: 02
(...)

> 0-002d: Using VRM: 8.2 adm9240 0-002d: status: config 0x03 mode 1
> i2c_adapter i2c-0: found LM81 revision 3 adm9240 0-002e: Using VRM: 8.2
> adm9240 0-002e: status: config 0x03 mode 1 i2c_adapter i2c-0: detect fail:
> address match, 0x2f
>  dcdbas: Dell Systems Management Base Driver (version 5.6.0-1)
(...)

Regards,
Willy
 
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