[ecasound] Bug report: etm consumes too much CPU

Hello,

Within the context of investigating ways to perform latency compensation
in nama, I ran the following test. I created a chain setup with a
hundred chains with rtnull at either end and a delay op on each,
either etd or etm. With etd, I only get a slight overhead (about 3% on
my 2.26ghz dual-core processor), while etm goes right through the roof
and has tonnes of xruns. I figure that can't be right. Please find the
test ecs files attached.

Cheers,
S.M.

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