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    Subject[PATCH 12/20 -v5] Add context switch marker to sched.c
    Add marker into context_switch to record the prev and next tasks.

    Signed-off-by: Steven Rostedt <srostedt@redhat.com>
    ---
    kernel/sched.c | 2 ++
    1 file changed, 2 insertions(+)

    Index: linux-mcount.git/kernel/sched.c
    ===================================================================
    --- linux-mcount.git.orig/kernel/sched.c 2008-01-23 10:26:11.000000000 -0500
    +++ linux-mcount.git/kernel/sched.c 2008-01-23 10:27:25.000000000 -0500
    @@ -1933,6 +1933,8 @@ context_switch(struct rq *rq, struct tas
    struct mm_struct *mm, *oldmm;

    prepare_task_switch(rq, prev, next);
    + trace_mark(kernel_sched_schedule,
    + "prev %p next %p", prev, next);
    mm = next->mm;
    oldmm = prev->active_mm;
    /*
    --


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