CONFIG_KVM_BOOK3S_HV_P9_TIMING: Detailed timing for the P9 entry point

General informations

The Linux kernel configuration item CONFIG_KVM_BOOK3S_HV_P9_TIMING:

• prompt: Detailed timing for the P9 entry point
• type: bool
• depends on: CONFIG_KVM_BOOK3S_HV_POSSIBLE && CONFIG_DEBUG_FS
• defined in arch/powerpc/kvm/Kconfig
• found in Linux kernels: 6.0–6.8, 6.9-rc+HEAD

Help text

Calculate time taken for each vcpu during vcpu entry and exit, time spent inside the guest and time spent handling hypercalls and page faults. The total, minimum and maximum times in nanoseconds together with the number of executions are reported in debugfs in kvm/vm#/vcpu#/timings.

If unsure, say N.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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