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1What: /sys/kernel/profiling2Date: September 20083Contact: Dave Hansen <dave@linux.vnet.ibm.com>4Description:5 /sys/kernel/profiling is the runtime equivalent6 of the boot-time profile= option.7 8 You can get the same effect running::9 10 echo 2 > /sys/kernel/profiling11 12 as you would by issuing profile=2 on the boot13 command line.14