On Fri, 8 Oct 2004, Henrik Nordstrom wrote:
> Is it possible to zoom in on a certain time range when generating
> the report graphs?
Not with the tools provided with Polygraph, unfortunately. The
reporter can only zoom into each test phase.
> If a test runs near to completetion and then something bad happens
> the graphs gets quite screwed up, and sometimes it is valuable in
> analyzing the results of the test to be able to zoom in on the valid
> parts / discard invalid data.
It would be a useful feature to add.
If you do not want to modify existing tools, you can use ltrace to
extract all available datapoints and then extract the interesting part
from the trace. The latter is relatively easy to do since ltrace
output is a plain text table that can include time as one of the
columns. Once you have the right data subset, use gnuplot or another
tool to graph the data. You can also use gnuplot filtering abilities
to zoom or pan through complete ltrace output.
HTH,
Alex.
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