Thanks for the tip, bkltrace seems to give me what I want and much more!

(iostat doesn't give me block address)

On 1 June 2011 10:34, dexen deVries <[email protected]> wrote:
> Hi Dima,
>
>
> On Wednesday 01 June 2011 19:32:07 you wrote:
>> I'm trying to analyze how different filesystems, settings and user
>> mode settings interact with write amplification and write endurance on
>> flash.
>>
>> Thus I need to get details of every write that fs issues to the
>> underlying block device.
>
> Have you considered either of:
>
>
> # iostat -d -k 1
>
> http://linux.die.net/man/8/blktrace
>
>
> --
> dexen deVries
>
> ``One can't proceed from the informal to the formal by formal means.''
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