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    SubjectRe: kvmmmu tracing
    On Mon, 2009-11-23 at 09:58 -0500, Steven Rostedt wrote:
    > On Mon, 2009-11-23 at 12:06 +0100, Johannes Berg wrote:
    > > Commit f691fe1da7e2715137d21ae5a80bec64db4625db is really broken wrt.
    > > the userspace interface for tracing because of the weird
    > > KVM_MMU_PAGE_PRINTK macro.
    > >
    > > Maybe we should have a "unsafe for export" flag for events, if they do
    > > strange things like that?
    > >
    > > As it stands, I can't use trace-cmd on an x86 machine that has kvm
    > > enabled because it will try to read all the kvm stuff. Arguably, it
    > > should only try to parse it when it needs it (i.e. not for me) but still
    > > it's very inconvenient to export something to userspace that it cannot
    > > possibly understand.
    > Note, I updated trace-cmd. I still does not read this macro nicely, but
    > it at least does not fail anymore.

    Ah, good to know. So I guess I don't care any more since I'm not
    actually tracing this. However, since trace-cmd is very convenient for
    record + send-by-email + report/analyse, it might make sense to fix

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      Last update: 2009-11-23 16:49    [W:0.025 / U:0.412 seconds]
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