Thanks for you help. > Also, did you check SMIs? Do you mean this?
testpc:/usr/src/linux-2.6.26.8# cat .config | grep SMI # SMI workaround # CONFIG_XENO_HW_SMI_DETECT_DISABLE is not set CONFIG_XENO_HW_SMI_DETECT=y # CONFIG_XENO_HW_SMI_WORKAROUND is not set On 6 March 2009, Gilles Chanteperdrix wrote: > Sergey PENIAZ wrote: > > Hello, > > > > I'm novice at xenomai. I just builded xenomai for platform based on > > "Intel(R) Pentium(R) 4 CPU 1500MHz". And I obtained next latency values. > > Are such values normal for this cpu? Or maybe is there a way to decrease > > them? > > > > testpc:/usr/xenomai/bin# ./cyclictest -i 200 -p99 -t 5 > > 0.02 0.02 0.00 1/70 3272 > > > > T: 0 ( 3268) P:99 I: 200 C: 59941 Min: 2 Act: 12 Avg: 8 Max: 21 > > T: 1 ( 3269) P:98 I: 700 C: 17126 Min: 3 Act: 8 Avg: 11 Max: 35 > > T: 2 ( 3270) P:97 I: 1200 C: 9991 Min: 9 Act: 20 Avg: 15 Max: 43 > > T: 3 ( 3271) P:96 I: 1700 C: 7052 Min: 3 Act: 8 Avg: 13 Max: 52 > > T: 4 ( 3272) P:95 I: 2200 C: 5450 Min: 12 Act: 13 Avg: 17 Max: 61 > > The latencies of other threads than the one which runs with the highest > priority are not all that significant, so, the only figure which matters > is 21us. It does not seem that bad. > > However, notice than when running cyclictest or latency, you should > apply a load of some sort, such as dd, ping flood, calibrator, etc... > > Also, did you check SMIs? -- With Best Regards Sergey Peniaz Visutech System Ltd. E-Mail:[email protected] _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
