Missed this mail somehow. The main issue with the ftrace plugin was
performance. Often, 20% of the time, as reported by sysprof was spent
in the ftrace read() interface. I think some of that came from the
locking code compiled with debug information, but even without that,
there was significant overhead.
The perf counter interface works very well and will eventually allow a
Makes sense to me.
Thanks,
Soren
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