Messages in this thread | | | Date | Mon, 03 May 2010 15:19:34 +0200 | From | Ronny Tschüter <> | Subject | Tracing of power:power_start events doesn't work |
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Hello,
i use kernel version 2.6.33.2 (x86-64, Core 2 Duo) and the perf events to track frequency and c states of my cpu. But if i want to trace power:power_start events, it does not work. After typing
echo "power:power_start" | sudo tee set_event
on the console, the trace doesn't contain such events. power:power_frequency and power:power_end events are reported correctly by the system. I read in the mailing list that Robert Schoene had a similiar problem, but with power:power_end events. Is there a known bug regarding to trace_power_start methods in process.c?
Bye Ronny
-- Ronny Tschueter
Technische Universität Dresden Center for Information Services and High Performance Computing (ZIH) D-01062 Dresden Germany
Office: Willersbau, room A31 Phone: (+49) 351/463-35448 E-Mail: ronny.tschueter@tu-dresden.de WWW: http://www.tu-dresden.de/zih
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