MAEDA Naoaki wrote: > Peter Williams wrote: >> I've done some informal testing with smaller values of CAP_STATS_OFFSET >> and there is only a minor improvement. >> >> However, something that does improve behaviour for short lived tasks is >> to increase the value of HZ. This is because the basic unit of CPU >> allocation by the scheduler is 1/HZ and this is also the minimum time >> (and granularity) with which sinbinning and other capping measures can >> be implemented. This is the fundamental limiting factor for the >> accuracy of capping i.e. if everything worked perfectly the best >> granularity that can be expected from capping of short lived tasks is >> 1000 / (HZ * duration) where duration is in seconds. > > I already defines CONFIG_HZ=1000. Do you suggest increasing more?
No. Peter -- Dr Peter Williams, Chief Scientist <[EMAIL PROTECTED]> Aurema Pty Limited Level 2, 130 Elizabeth St, Sydney, NSW 2000, Australia Tel:+61 2 9698 2322 Fax:+61 2 9699 9174 http://www.aurema.com _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech
