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    SubjectRe: [PATCH 4/5] perf record: mmap output file - v5

    * David Ahern <dsahern@gmail.com> wrote:

    > > Dunno.. it _should_ all work. Try it and see what it does.. Once the
    > > events are bigger than a page things might get 'interesting' though.

    Which could be the case with call-graph recording, right?

    > one option here is not allow page faults and system wide system calls.
    > system wide tracing needs mmap; page faults for a task can use write().
    > I left that option in case something like this came up.

    So maybe splice() sounds like the right long term solution after all? :-/

    Thanks,

    Ingo


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