io performance monitoring under linux

mingz (mingz@ele.uri.edu)
Wed, 4 Jun 2003 21:12:38 -0400


I wonder why Linux do not have a good performance monitoring facility in
kernel. For example, there are no place in /proc to read counters like page
cache, dcache hit ratio, disk queue length,, etc. does such info and tool
already existed? thx.

(i am not on this list, so pls cc to me as well, thx)

ming

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