Re: RCU issue with SELinux (Re: SELINUX performance issues)

[James Morris]

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@xxxxxxxxxx>


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