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    Subject[PATCH] tracing: mark get_parent_ip() notrace

    Impact: remove redundancy tracing log

    When tracer is "function" or "function_graph", too much
    "get_parent_ip" are recorded in ring_buffer.

    Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
    ---
    diff --git a/kernel/sched.c b/kernel/sched.c
    index 706517c..a0ec10c 100644
    --- a/kernel/sched.c
    +++ b/kernel/sched.c
    @@ -4860,7 +4860,7 @@ void scheduler_tick(void)
    #endif
    }

    -unsigned long get_parent_ip(unsigned long addr)
    +notrace unsigned long get_parent_ip(unsigned long addr)
    {
    if (in_lock_functions(addr)) {
    addr = CALLER_ADDR2;



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