Bill Shannon wrote:
> I just wanted to follow up on this issue I raised a few weeks ago.
>
> With help from several of you, I had all the information and tools
> I needed to start debugging my problem. Which of course meant that
> my problem disappeared!
>
> At one point my theory was that ksh93
I just wanted to follow up on this issue I raised a few weeks ago.
With help from several of you, I had all the information and tools
I needed to start debugging my problem. Which of course meant that
my problem disappeared!
At one point my theory was that ksh93 was updating my .history file
per
G'Day,
On Sat, Mar 01, 2008 at 08:58:53PM -0800, Bill Shannon wrote:
> Roch Bourbonnais wrote:
> >>> this came up sometime last year .. io:::start won't work since ZFS
> >>> doesn't call bdev_strategy() directly .. you'll want to use something
> >>> more like zfs_read:entry, zfs_write:entry and zf
On Mar 1, 2008, at 7:22 PM, Roch Bourbonnais wrote:
> That's not entirely accurate. I believe ZFS does lead to
> bdev_strategy being called and io:::start
> will fire for ZFS I/Os. The problem is that a ZFS I/O can be
> servicing a number of ZFS operations on a
> number of different files (whi
Roch Bourbonnais wrote:
>>> this came up sometime last year .. io:::start won't work since ZFS
>>> doesn't call bdev_strategy() directly .. you'll want to use something
>>> more like zfs_read:entry, zfs_write:entry and zfs_putpage or zfs_getpage
>>> for mmap'd ZFS files
>>
>
> Ed:
> That's not ent
> I recently converted my home directory to zfs on an external disk drive.
> Approximately every three seconds I can hear the disk being accessed,
> even if I'm doing nothing. The noise is driving me crazy!
> [...]
> Anyway, anyone have any ideas of how I can use dtrace or some other tool
> to tra
Le 1 mars 08 à 22:14, Bill Shannon a écrit :
> Jonathan Edwards wrote:
>>
>> On Mar 1, 2008, at 3:41 AM, Bill Shannon wrote:
>>> Running just plain "iosnoop" shows accesses to lots of files, but
>>> none
>>> on my zfs disk. Using "iosnoop -d c1t1d0" or "iosnoop -m
>>> /export/home/shannon"
>>>
Bill Shannon wrote:
> Marty Itzkowitz wrote:
>> Interesting problem. I've used disk rattle as a measurement of io
>> activity before
>> there were such tools for measurement. It's crude, but effective.
>>
>> To answer your question: you could try er_kernel. It uses DTrace to
>> do statistical c
Marty Itzkowitz wrote:
> Interesting problem. I've used disk rattle as a measurement of io
> activity before
> there were such tools for measurement. It's crude, but effective.
>
> To answer your question: you could try er_kernel. It uses DTrace to
> do statistical callstack sampling, and is d
Interesting problem. I've used disk rattle as a measurement of io
activity before
there were such tools for measurement. It's crude, but effective.
To answer your question: you could try er_kernel. It uses DTrace to
do statistical callstack sampling, and is described on our kernel
profiling
10 matches
Mail list logo
