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Re: [Qemu-trivial] [Qemu-devel] [PATCH 3/4] kvm: Add kvm_set_ioeventfd*


From: Philippe Mathieu-Daudé
Subject: Re: [Qemu-trivial] [Qemu-devel] [PATCH 3/4] kvm: Add kvm_set_ioeventfd* traces
Date: Tue, 12 Feb 2019 15:12:41 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

On 2/12/19 2:47 PM, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
> Add a couple of traces around the kvm_set_ioeventfd* calls.
> 
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>

> ---
>  accel/kvm/kvm-all.c    | 3 +++
>  accel/kvm/trace-events | 2 ++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
> index 4e1de942ce..fd92b6f375 100644
> --- a/accel/kvm/kvm-all.c
> +++ b/accel/kvm/kvm-all.c
> @@ -657,6 +657,8 @@ static int kvm_set_ioeventfd_mmio(int fd, hwaddr addr, 
> uint32_t val,
>          .fd = fd,
>      };
>  
> +    trace_kvm_set_ioeventfd_mmio(fd, (uint64_t)addr, val, assign, size,
> +                                 datamatch);
>      if (!kvm_enabled()) {
>          return -ENOSYS;
>      }
> @@ -688,6 +690,7 @@ static int kvm_set_ioeventfd_pio(int fd, uint16_t addr, 
> uint16_t val,
>          .fd = fd,
>      };
>      int r;
> +    trace_kvm_set_ioeventfd_pio(fd, addr, val, assign, size, datamatch);
>      if (!kvm_enabled()) {
>          return -ENOSYS;
>      }
> diff --git a/accel/kvm/trace-events b/accel/kvm/trace-events
> index 58e98efe5d..8841025d68 100644
> --- a/accel/kvm/trace-events
> +++ b/accel/kvm/trace-events
> @@ -12,5 +12,7 @@ kvm_irqchip_commit_routes(void) ""
>  kvm_irqchip_add_msi_route(char *name, int vector, int virq) "dev %s vector 
> %d virq %d"
>  kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d"
>  kvm_irqchip_release_virq(int virq) "virq %d"
> +kvm_set_ioeventfd_mmio(int fd, uint64_t addr, uint32_t val, bool assign, 
> uint32_t size, bool datamatch) "fd: %d @0x%" PRIx64 " val=0x%x assign: %d 
> size: %d match: %d"
> +kvm_set_ioeventfd_pio(int fd, uint16_t addr, uint32_t val, bool assign, 
> uint32_t size, bool datamatch) "fd: %d @0x%x val=0x%x assign: %d size: %d 
> match: %d"
>  kvm_set_user_memory(uint32_t slot, uint32_t flags, uint64_t guest_phys_addr, 
> uint64_t memory_size, uint64_t userspace_addr, int ret) "Slot#%d flags=0x%x 
> gpa=0x%"PRIx64 " size=0x%"PRIx64 " ua=0x%"PRIx64 " ret=%d"
>  
> 



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