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    SubjectRe: [RFC][PATCH] perf: sysfs type id
    On 11/17/2010 12:01 PM, Peter Zijlstra wrote:
    > On Wed, 2010-11-17 at 20:57 +0100, Peter Zijlstra wrote:
    >>> How about a compromise position: all of the arch-specific events are
    >>> exposed to user space via sysfs iff some CONFIG_* variable to set to
    >>> true. Something like CONFIG_EXPOSE_ALL_HW_PERF_EVENTS_IN_SYSFS.
    >>> This way you would only use all that memory when it's explicitly
    >>> configured in.
    >
    > Another thing you could do is make all PMU drivers loadable modules
    > (most of the infrastructure for that is present) and make the exhaustive
    > list either a module parameter or another module extending the PMU
    > driver.
    >

    That's an interesting approach. Maybe there could be a perf command
    that would load the appropriate modules for all of the PMUs in the
    system - "perf load-event-modules".

    - Corey



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