[PATCH v2 0/3] Collect guest/host statistics during the redirected traps

Anup Patel anup at brainfault.org
Wed Dec 25 21:44:56 PST 2024


On Wed, Dec 25, 2024 at 2:34 AM Atish Patra <atishp at rivosinc.com> wrote:
>
> As discussed in the patch[1], this series adds the host statistics for
> traps that are redirected to the guest. Since there are 1-1 mapping for
> firmware counters as well, this series enables those so that the guest
> can collect information about these exits via perf if required.
>
> I have included the patch[1] as well in this series as it has not been
> applied and there will be likely conflicts while merging both.
>
> Signed-off-by: Atish Patra <atishp at rivosinc.com>
> ---
> Changes in v2:
> - Improved commit messages in PATCH3.
> - Added RB tags.
> - Link to v1: https://lore.kernel.org/r/20241212-kvm_guest_stat-v1-0-d1a6d0c862d5@rivosinc.com
>
> ---
> Atish Patra (2):
>       RISC-V: KVM: Update firmware counters for various events
>       RISC-V: KVM: Add new exit statstics for redirected traps
>
> Quan Zhou (1):
>       RISC-V: KVM: Redirect instruction access fault trap to guest

Queued this series for Linux-6.14.

Thanks,
Anup

>
>  arch/riscv/include/asm/kvm_host.h |  5 +++++
>  arch/riscv/kvm/vcpu.c             |  7 ++++++-
>  arch/riscv/kvm/vcpu_exit.c        | 37 +++++++++++++++++++++++++++++++++----
>  3 files changed, 44 insertions(+), 5 deletions(-)
> ---
> base-commit: fac04efc5c793dccbd07e2d59af9f90b7fc0dca4
> change-id: 20241212-kvm_guest_stat-bc469665b410
> --
> Regards,
> Atish patra
>



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