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    SubjectRe: [PATCH RFC V2 4/5] kvm guest : Added configuration support to enable debug information for KVM Guests
    On 10/24/2011 03:45 PM, Avi Kivity wrote:
    > On 10/23/2011 09:07 PM, Raghavendra K T wrote:
    >> Added configuration support to enable debug information
    >> for KVM Guests in debugfs
    >>
    >> Signed-off-by: Srivatsa Vaddagiri<vatsa@linux.vnet.ibm.com>
    >> Signed-off-by: Suzuki Poulose<suzuki@in.ibm.com>
    >> Signed-off-by: Raghavendra K T<raghavendra.kt@linux.vnet.ibm.com>
    >> ---
    >> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
    >> index 1f03f82..ed34269 100644
    >> --- a/arch/x86/Kconfig
    >> +++ b/arch/x86/Kconfig
    >> @@ -562,6 +562,15 @@ config KVM_GUEST
    >> This option enables various optimizations for running under the KVM
    >> hypervisor.
    >>
    >> +config KVM_DEBUG_FS
    >> + bool "Enable debug information for KVM Guests in debugfs"
    >> + depends on KVM_GUEST
    >> + default n
    >> + ---help---
    >> + This option enables collection of various statistics for KVM guest.
    >> + Statistics are displayed in debugfs filesystem. Enabling this option
    >> + may incur significant overhead.
    >> +
    >> source "arch/x86/lguest/Kconfig"
    >>
    >>
    >
    > This might be better implemented through tracepoints, which an be
    > enabled dynamically.
    >
    Interesting option. I 'll explore this one. Thanks for pointing.


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