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    Subject[tip:sched/urgent] tracing, sched: mark get_parent_ip() notrace
    Commit-ID:  132380a06b24704fd6c9be55c44d4ef3972cead2
    Gitweb: http://git.kernel.org/tip/132380a06b24704fd6c9be55c44d4ef3972cead2
    Author: Lai Jiangshan <laijs@cn.fujitsu.com>
    AuthorDate: Thu, 2 Apr 2009 14:18:25 +0800
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Tue, 14 Apr 2009 02:11:05 +0200

    tracing, sched: mark get_parent_ip() notrace

    Impact: remove overly redundant tracing entries

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

    Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
    Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
    Acked-by: Steven Rostedt <srostedt@redhat.com>
    LKML-Reference: <49D458B1.5000703@cn.fujitsu.com>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>


    ---
    kernel/sched.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/kernel/sched.c b/kernel/sched.c
    index 5724508..e90e70e 100644
    --- a/kernel/sched.c
    +++ b/kernel/sched.c
    @@ -4846,7 +4846,7 @@ 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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