Thanks Scott Next time I'll do "mpstat -P ALL" to have detail information on each core.
On 22/10/13 18:52, Scott Ferguson wrote: > On 10/22/13 1:06 AM, Riccardo Cohen wrote: >> Hello >> >> I run some process on a server (debian 6.0.7 - 64b - 4 cores), that read >> files and insert data into db. When running "top" tool I have 60% to 90% >> processor idle. The rest is mainly iowait which seems natural since the >> disk is working a lot in this process (through file read and mysql write). >> >> Resin Pro 4.0.13 is running and answering http requests in the same >> time. During this process, Resin shows some warnings in the log : >> >> CpuHealthCheck: WARNING: cpu1=99% >> >> I don't understand, since top show that processor is mainly idle. >> Can someone help me explain this please ? Is there another way to >> control CPU, more precise than top ? > > top and Resin should be measuring the same thing. Both are looking at > the /proc filesystem for CPU counts. Resin averages over its 60s > interval, so a cpu showing 99% over 60s is a busy cpu. > > Normally, I believe top reports the average across all the CPUs. So if > you had a single CPU that was very busy, Resin might report that > warning, even though it's expected. > > -- Scott > >> >> Thanks a lot. >> > > > _______________________________________________ > resin-interest mailing list > resin-interest@caucho.com > http://maillist.caucho.com/mailman/listinfo/resin-interest > -- Riccardo Cohen +33 (0)6 09 83 64 49 Société Realty-Property.com 16 rue de Belle Isle 37100 Tours France <http://www.appartement-maison.fr> _______________________________________________ resin-interest mailing list resin-interest@caucho.com http://maillist.caucho.com/mailman/listinfo/resin-interest
