Re: Performance Tracker project update
- From: Brooks Davis <brooks@xxxxxxxxxxx>
- Date: Wed, 23 Jan 2008 14:01:04 -0600
On Wed, Jan 23, 2008 at 05:48:23AM +0100, Erik Cederstrand wrote:
Hi
I'd like to send a small update on my progress on the Performance Tracker
project.
I now have a small setup of a server and a slave chugging along, currently
collecting data. I'm following CURRENT and collecting results from
super-smack and unixbench.
The project still needs some work, but there's a temporary web interface to
the data here: http://littlebit.dk:5000/plot/. Apart from the plotting it's
possible to compare two dates and see the files that have changed. Error
bars are 3*standard deviation, for the points with multiple measurements.
Of interest is e.g. super-smack (select-key, 1 client) right when the
GENERIC kernel was moved from the 4BSD to ULE scheduler on Oct. 19.
Unixbench (arithmetic test, float) also has a significant jump on Oct. 3.
There setup of the slave is documented roughly on the page but I'll be
writing a full report and documentation over the next month.
Nice work so far! It's neat that you've already been able to spot changes.
A couple suggestions for the graphs. It would be nice if the graphs had an
arrow indicating the "good" direction (i.e. which direction of movement is an
improvement). Also, a graph of the derivative of the curve might be
interesting for at a glance trending.
-- Brooks
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