riscv: KVM: add basic support for host vs guest profiling

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For the information collected on the host side, we need to
identify which data originates from the guest and record
these events separately, this can be achieved by having
KVM register perf callbacks.

Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/00342d535311eb0629b9ba4f1e457a48e2abee33.1728957131.git.zhouquan@iscas.ac.cn
Signed-off-by: Anup Patel <anup@brainfault.org>

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Quan Zhou 2024-10-15 10:58:37 +08:00 • committed by Anup Patel

parent 5bb5ccb3e8

commit eded6754f3

4 changed files with 28 additions and 2 deletions

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10

arch/riscv/include/asm/kvm_host.h

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1

arch/riscv/kvm/Kconfig

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12

arch/riscv/kvm/main.c

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7

arch/riscv/kvm/vcpu.c

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