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    SubjectRe: [PATCH 2/4] trace: prepare to collect call chains of non-current task.
    On Mon, Sep 26, 2011 at 07:55:33PM +0400, Andrew Vagin wrote:
    > This patch adds argument "task" to all functions between perf_tp_event()
    > and perf_callchain(). All logic is in the next patch.
    >
    > We need "task" and "regs" simultaneously, because regs contains
    > state of current task, before it entered in perf code. Task contains
    > pointer to task_struct and it will be used for collecting call chains
    > and filling event data, if task isn't current.
    >
    > Signed-off-by: Andrew Vagin <avagin@openvz.org>

    Acked-by: Arun Sharma <asharma@fb.com>



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