On Mon, 19 Nov 2007 12:59:26 +0530
Raj Mathur <[email protected]> wrote:
> A competing OS vendor is claiming that the Linux kernel has no way to
> measure the following:
>
> a. Time spent waiting for page faults in percent
>
> b. Total transfer time for each auxiliary memory in percent
>
> c. Time in percent when one or more tasks were blocked waiting for
> memory resources
>
> d. Time spent waiting for page faults in percent
a an d appear to be the same thing
> I was wondering if the claims were pure FUD or are measurements
> possible -- whether they are actually implemented or not is not
> important (at least at this stage). Apologies if the descriptions
> aren't very precise; OTOH that leaves us room to interpret the claims
> in a favourable (to us) manner :)
Systemtap as shipped by most of the enterprise vendors can measure all of
this quite easily.
Alan
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