On 07/07/2011 22:08, Steve Kargl wrote:
4BSD kernel gives for N = Ncpu + 1.
34 processes: 6 running, 28 sleeping
PID USERNAME THR PRI NICE SIZE RES STATE C TIME CPU COMMAND
1417 kargl 1 71 0 370M 294M RUN 0 1:30 79.39% sasmp
1416 kargl 1 71 0 370M 294M RUN 0 1:30 79.20% sasmp
1418 kargl 1 71 0 370M 294M CPU2 0 1:29 78.81% sasmp
1420 kargl 1 71 0 370M 294M CPU1 2 1:30 78.27% sasmp
1419 kargl 1 70 0 370M 294M CPU3 0 1:30 77.59% sasmp
ULE kernel gives for N = Ncpu + 1.
34 processes: 6 running, 28 sleeping
PID USERNAME THR PRI NICE SIZE RES STATE C TIME CPU COMMAND
1318 kargl 1 103 0 370M 294M CPU0 0 1:31 100.00% sasmp
1319 kargl 1 103 0 370M 294M RUN 1 1:29 100.00% sasmp
1322 kargl 1 99 0 370M 294M CPU2 2 1:03 87.26% sasmp
1320 kargl 1 91 0 370M 294M RUN 3 1:07 60.79% sasmp
1321 kargl 1 89 0 370M 294M CPU3 3 1:06 55.18% sasmp
I can confirm this. Look at the priorities column for the two cases. For
some reason (CPU affinity?) the loads get asymmetrical on ULE.
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