profiling: dynamically enable readprofile at runtime
[linux-2.6.git] / Documentation / ABI / testing / sysfs-profiling
1 What:           /sys/kernel/profile
2 Date:           September 2008
3 Contact:        Dave Hansen <dave@linux.vnet.ibm.com>
4 Description:
5                 /sys/kernel/profile is the runtime equivalent
6                 of the boot-time profile= option.
7
8                 You can get the same effect running:
9
10                         echo 2 > /sys/kernel/profile
11
12                 as you would by issuing profile=2 on the boot
13                 command line.