Hello Paul, On Mon, Mar 21, 2011 at 11:03 PM, Paul Menage <menage@xxxxxxxxxx> wrote: > On Mon, Mar 21, 2011 at 3:42 AM, Jaswinder Singh > <jaswinderlinux@xxxxxxxxx> wrote: >> >> Can you please suggest some simple tests to measure the performance >> enhancement by using cpusets/cgroups. > > The cgroups framework is simply a way of grouping processes together > and allowing subsystems (memory, CPU, disk I/O, etc) to associate > state objects with each group. Generally this is for improving > isolation rather than improving performance - sticking extra machinery > and scheduling in will typically reduce overall throughput, but make > it more practical to share resources safely between multiple groups of > processes. > > Your question is pretty open-ended - what's your ultimate goal? You > should probably be focusing on some particular problem that you're > trying to measure/improve via resource isolation/scheduling. > As per http://www.clusterresources.com/torquedocs21/3.5linuxcpusets.shtml : Under section 3.5.4 Cpuset advantages / disadvantages "Jobs on larger NUMA systems may see a performance boost if jobs can be intelligently assigned to specific CPUs. Jobs may perform better if striped across physical processors, or contained within the fewest number of memory controllers." I am curious and want to try some simple tests so that I can see the performance improvement by using cpusets on my PCs. Can you suggest some tests so that I can study them. Thank you, -- Jaswinder Singh. _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
