Re: interest in performance instrumentation

Dominik Kubla (dominik.kubla@uni-mainz.de)
Fri, 12 Feb 1999 10:36:32 +0100


On Thu, Feb 11, 1999 at 09:24:49PM -0500, Chuck Lever wrote:
> iostat is similar to vmstat, but it prints statistics about the I/O
> subsystem rather than VM. sct has a skeleton C++ version of iostat, but i
> don't think he's worked on it in a while. it comes with a kernel patch
> because the data iostat is looking for isn't gathered in the stock Linux
> kernel. so, to make tools like sar and iostat work, some effort has to be
> focused on deciding what additional kernel instrumentation is required,
> and which tools we like best.

iostat has been available for Linux since 1995. Sadly not many distributions
have picked it up...

Yours,
Dominik Kubla

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