On 5/27/05, Jacob S wrote: > Hello list, > > I upgraded a few 5.3 servers to 5.4 yesterday and everything seemed to > go well. After booting the new kernel, dmesg correctly showed 2 logical > cpus (1 xeon with HT). > > However, when I look at top's output, it always shows at least 50% cpu > idle time - even when the load is above 10. To confirm this, I ran > burnP6 from the cpuburn port - even with over a hundred apache processes > going, exim running and a few other things, top still reported the cpu > as 50% idle. The 'C' column in top, between 'State' and 'Time' also > shows everything as being run on cpu 0. > > `ps ax | grep cpu` reports this: > 11 ?? RL 0:00.00 [idle: cpu1] > 12 ?? RL 931:45.24 [idle: cpu0] > 108 ?? DL 0:04.02 [schedcpu] > > So it looks like smp support is enabled and it sees the HT enabled > processor, but it's not using the second logical cpu. Is there something > I missed in compiling the kernel, or is this a bug? I have confirmed it > on two 5.4 servers now.
Was option smp used to compile the kernel? What other changes to the kernel configuration file were made? Dmitry _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
