Messages in this thread | | | From | Nicolas Saenz Julienne <> | Subject | [RFC PATCH 0/2] KVM: arm64: Host/Guest trace syncronization | Date | Fri, 19 Nov 2021 11:21:16 +0100 |
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This small series introduces the necessary infrastructure to be able to syncronize host and guest traces. The approach I'm following is a bit biased since I tried to replicate the methods I've been using in the past with x86.
This was tested on an Ampere Mt. Jade based machine.
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Nicolas Saenz Julienne (2): arm64/tracing: add cntvct based trace clock KVM: arm64: export cntvoff in debugfs
arch/arm64/include/asm/kvm_host.h | 1 + arch/arm64/include/asm/trace_clock.h | 12 ++++++++++++ arch/arm64/kernel/Makefile | 2 +- arch/arm64/kernel/trace_clock.c | 12 ++++++++++++ arch/arm64/kvm/Makefile | 2 +- arch/arm64/kvm/arch_timer.c | 2 +- arch/arm64/kvm/debugfs.c | 25 +++++++++++++++++++++++++ include/kvm/arm_arch_timer.h | 3 +++ 8 files changed, 56 insertions(+), 3 deletions(-) create mode 100644 arch/arm64/include/asm/trace_clock.h create mode 100644 arch/arm64/kernel/trace_clock.c create mode 100644 arch/arm64/kvm/debugfs.c
-- 2.33.1
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