sched: allow cpuacct stats to be reset
authorDhaval Giani <dhaval@linux.vnet.ibm.com>
Fri, 29 Feb 2008 04:32:44 +0000 (10:02 +0530)
committerIngo Molnar <mingo@elte.hu>
Sat, 19 Apr 2008 17:44:58 +0000 (19:44 +0200)
commit0297b80339d545045490716fa8591b215fdd9458
tree3a00c5bd83fc3f0493a2a26b95db0c4a7e4bb691
parent32cd756a80aaef657ac09c76e6eff3ba65567790
sched: allow cpuacct stats to be reset

Currently the schedstats implementation does not allow the statistics
to be reset. This patch aims to allow that.

  echo 0 > cpuacct.usage

resets the usage. Any other value is not allowed and returns -EINVAL.

Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/sched.c