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SubjectReading perf counters at ftrace trace boundaries

Wondering if there's a way for reading perf counters in the kernel. I'd
like to read/record perf counters on ftrace function tracing
entries/exits to provide a rundown of the value of various counters on
function call boundaries.

[ Steven: apologies for sending you a duplicate here of what I somewhat
already sent privately. ]

--
Karim Yaghmour
CEO - Opersys inc. / www.opersys.com
http://twitter.com/karimyaghmour


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