ARM: architected timers: Add A15 specific sched_clock implementation

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Provide an A15 sched_clock implementation using the virtual counter,
which is thought to be more useful than the physical one in a
virtualised environment, as it can offset the time spent in another
VM or the hypervisor.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

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Marc Zyngier 2011-01-14 15:32:36 +00:00

parent 022c03a2d6

commit 3f61c80eb7

2 changed files with 31 additions and 0 deletions

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6

arch/arm/include/asm/arch_timer.h

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25

arch/arm/kernel/arch_timer.c

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