1*4882a593SmuzhiyunWhat: /sys/kernel/profiling 2*4882a593SmuzhiyunDate: September 2008 3*4882a593SmuzhiyunContact: Dave Hansen <dave@linux.vnet.ibm.com> 4*4882a593SmuzhiyunDescription: 5*4882a593Smuzhiyun /sys/kernel/profiling is the runtime equivalent 6*4882a593Smuzhiyun of the boot-time profile= option. 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun You can get the same effect running:: 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun echo 2 > /sys/kernel/profiling 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun as you would by issuing profile=2 on the boot 13*4882a593Smuzhiyun command line. 14