Re: [PATCH v2] kvm: remove dependence on delay-accounting

2012-01-16 Thread Marcelo Tosatti
On Sat, Jan 14, 2012 at 08:30:51PM +0400, Konstantin Khlebnikov wrote: KVM selects delay-accounting only to get sched-info for steal-time accounting. Meanwhile delay-accounting can be disabled by boot option. This is ridiculous. This patch adds internal boolean option CONFIG_TASK_SCHED_INFO

Re: [PATCH v2] kvm: remove dependence on delay-accounting

2012-01-16 Thread Peter Zijlstra
On Sat, 2012-01-14 at 20:30 +0400, Konstantin Khlebnikov wrote: KVM selects delay-accounting only to get sched-info for steal-time accounting. Meanwhile delay-accounting can be disabled by boot option. This is ridiculous. This patch adds internal boolean option CONFIG_TASK_SCHED_INFO to

Re: [PATCH v2] kvm: remove dependence on delay-accounting

2012-01-16 Thread Konstantin Khlebnikov
Marcelo Tosatti wrote: On Sat, Jan 14, 2012 at 08:30:51PM +0400, Konstantin Khlebnikov wrote: KVM selects delay-accounting only to get sched-info for steal-time accounting. Meanwhile delay-accounting can be disabled by boot option. This is ridiculous. This patch adds internal boolean option

Re: [PATCH v2] kvm: remove dependence on delay-accounting

2012-01-16 Thread Konstantin Khlebnikov
Peter Zijlstra wrote: On Sat, 2012-01-14 at 20:30 +0400, Konstantin Khlebnikov wrote: KVM selects delay-accounting only to get sched-info for steal-time accounting. Meanwhile delay-accounting can be disabled by boot option. This is ridiculous. This patch adds internal boolean option

[PATCH v2] kvm: remove dependence on delay-accounting

2012-01-14 Thread Konstantin Khlebnikov
KVM selects delay-accounting only to get sched-info for steal-time accounting. Meanwhile delay-accounting can be disabled by boot option. This is ridiculous. This patch adds internal boolean option CONFIG_TASK_SCHED_INFO to enable only task-sched_info and its collecting inside scheduler. v2: *