CONFIG_HV_PERF_CTRS: Hypervisor supplied PMU events (24x7 & GPCI)

General informations

The Linux kernel configuration item CONFIG_HV_PERF_CTRS:

• prompt: Hypervisor supplied PMU events (24x7 & GPCI)
• type: bool
• depends on: CONFIG_PERF_EVENTS && CONFIG_PPC_PSERIES
• defined in arch/powerpc/platforms/pseries/Kconfig
• found in Linux kernels: 3.15–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.13, 6.14-rc+HEAD

Help text

Enable access to hypervisor supplied counters in perf. Currently, this enables code that uses the hcall GetPerfCounterInfo and 24x7 interfaces to retrieve counters. GPCI exists on Power 6 and later systems. 24x7 is available on Power 8 and later systems.

If unsure, select Y.

Hardware

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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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