Dear all: my openwrt kernel cpu loading very high at large thoughput. I want to user kernel profile.
I read the link:http://homepages.cwi.nl/~aeb/linux/profile.html thay say: Boot the kernel with command line option profile=2 (or some other number instead of 2). This will cause a file /proc/profile to be created. I want to know how to set profile=2 at openwrt kernel boot? in addition, I compile oprofile on openwrt. the version is 0.94, it's start and running is ok, but the opreport say: r...@openwrt:/dev/oprofile/stats/cpu0# opreport -l opreport error: No sample file found: try running opcontrol --dump or specify a session containing sample files by the way: my broadband is MIPS 71xx. Thanks
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