On Fri, 18 Dec 2015, Marcelo Tosatti wrote: > > Could you also support another low level interface where a task (or > > process) can set the CLOS id itself if it has CAP_SYS_NICE. > > Hi Christoph, > > Do you have a proposal for an interface?
Syscall set_closid(int closid) for an app. The CLOS id should be listed in /proc/<pid>/status And then /proc/clos listing the possible configs with their current setups. Or /proc/clos/<closid>/<value>. Then have the ability to modify those for the root user. > > Plus some way > > for the supervisor to directly control the IA32_L3_MASK_n MSR? > > What you mean supervisor? Hypervisor or root user? Root user. > > > Is there a way to see these values for debugging purposes? > > Yes, from userspace, wrmsr and rdmsr. Maybe have a nicer way to interact with these configurations via /proc? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
