* David Ford <da...@blue-labs.org>: > gprof for detail, and even with simple strace timing. i.e. strace > -c. if load is going up significantly, there should be one or more > functions significantly fatter than the rest. you can pick either to > run it on the whole group, or just attach to certain processes. > (master, imap, lda, etc)
Timo and I found excessive numbers of context switches, factor 20-30. But it's unclear why the IMAP process would do/cause this. > when you run 'ps aux|grep dovecot', what seems to collect the most cpu time? > > -d > > On 12/08/10 10:54, Ralf Hildebrandt wrote: > >* David Ford<da...@blue-labs.org>: > >>Ralf, did you do the profiling yet? > >With gprof or what exactly is on your mind? -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebra...@charite.de | http://www.charite.de