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    SubjectRe: [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6
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    Date
    Ingo Molnar <mingo@elte.hu> writes:

    > * Lee Revell <rlrevell@joe-job.com> wrote:
    >
    >> Interesting results. One of the problems is kallsyms_lookup,
    >> triggered by the printks:
    >
    > yeah - kallsyms_lookup does a linear search over thousands of symbols.
    > Especially since /proc/latency_trace uses it too it would be worthwile
    > to implement some sort of binary searching.

    Or just stick some cond_sched()s in there. It was designed to be slow,
    but there are no locking issues.

    -Andi

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