cached data to be written to disk

[Myriam Schweingruber]

Hi Willy,

On Wed, Jun 24, 2009 at 16:29, Alvin <info at alvin.be> wrote:
>
> On Wednesday 24 June 2009 16:14:52 Willy K. Hamra wrote:
> > hello list,
> > is there any program to check the quantity of the data cached in memory
> > awaiting to be written to disk? or even better, watch a graph og IO
> > operations per application? for example, in Proces Explorer on windows,
> > i can add a column of IO graph, which shows each process' IO in a graph
> > beside itm any such tool on linux?
> > i believe most of my bottlenecks, and the few firefox freezes i'm
> > suffering are IO related, when FF is waiting for it's data to be
> > written, it hangs, and starts eating memory in HUGE quantities till the
> > freeze is over.
>
> Maybe iotop is what you need:
>
> Description: simple top-like I/O monitor
>  iotop does for I/O usage what top(1) does for CPU usage. It watches I/O usage
> information output by the Linux kernel (requires 2.6.20 or later)
>  and displays a table of current I/O usage by processes on the system. Handy
> for answering the question "Why is my disk churning so much?".
> Homepage: http://guichaz.free.fr/iotop/

There also is the KDE system monitor you can configure by
adding/removing tabs and displays.


Regards, Myriam

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