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    SubjectRe: [PATCH] ring_buffer: compressed event header

    On Fri, 24 Apr 2009, Lai Jiangshan wrote:

    >
    >
    > RB_MAX_SMALL_DATA = 28bytes is too small for most tracers, it wastes
    > an 'u32' to save the actually length for events which data size > 28.
    >
    > This fix uses compressed event header and enlarges RB_MAX_SMALL_DATA.
    >
    > Impact: saves about 0%-12.5%(depends on tracer) memory in ring_buffer
    >
    > Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>

    Thanks, applied!

    -- Steve



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