Hi folks,

I always got below error using oprofile 0.9.4 with kernel version3.3.
===========================
mkdir -p /var/lib/oprofile/samples
opcontrol --init
oprofiled -e '' --no-vmlinux --session-dir=/var/lib/oprofile --image=/usr/bin/whetstone &
opcontrol --start
whetstone
opcontrol --dump

root:/> opreport -lw
opreport error: Invalid sample file, bad magic number: /var/lib/oprofile/samples/current/{root}/usr/bin/whetstone/{dep}/{root}/usr/bin/whetstone/TIMER.0.0.all.all.all
root:/>
============================

Any ideas? Thank you!

--
Best regards
-Bob Liu