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    SubjectRe: RCU issue with SELinux (Re: SELINUX performance issues)
    On Fri, 20 Aug 2004, Kaigai Kohei wrote:

    > The attached patches against to 2.6.8.1 kernel improve the performance
    > and the scalability of SELinux by RCU-approach.


    > --- 4CPU --- --- 8CPU --- --- 16CPU --- --- 32CPU ---
    > 2.6.8.1(disable) 8.0158[s] 8.0183[s] 8.0146[s] 8.0037[s]
    > (2.08/ 6.07) (1.86/6.31) (0.78/ 7.33) (2.03/5.94)
    > 2.6.8.1(enable) 78.0957[s] 319.0451[s] 1322.0313[s] too long
    > (2.47/76.48) (2.47/316.96) (2.43/1319.8) (---/---)
    > 2.6.8.1.rwlock 20.0100[s] 49.0390[s] 90.0200[s] 177.0533[s]
    > (2.57/17.52) (2.45/46.93) (2.37/87.78) (2.41/175.1)
    > 2.6.8.1.rcu 11.0464[s] 11.0205[s] 11.0372[s] 11.0496[s]
    > (2.64/8.82) (2.21/8.98) (2.67/ 8.68) (2.51/8.95)
    > -------------------------------------------------------------------------

    Do you have figures for 1 and 2 CPU?

    Also, can you run some more benchmarks, e.g. lmbench, unixbench, dbench
    etc?


    - James
    --
    James Morris
    <jmorris@redhat.com>


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