Hi, Bryce Harrington wrote: > However, if all but one of the system's cpu's are turned off at the time > sar is started, `sar -P ALL 1 0` fails to start, giving the message "Not > an SMP machine..." > > I believe in this case, sar needs to recognize that the system *is* SMP, > but just that there are some offlined CPUs. It should start up and run > showing the offlined cpu's as 'nan'd. > You're right: I will update the sar program so that it may recognize that the system is SMP. Anyway, the offlined CPU's will not be displayed as 'nan'd: when sar is started it counts the number of available processors by parsing /proc/stat. If an offlined CPU doesn't show up in /proc/stat, it won't be displayed at all. Regards, -- Sébastien Godard (sysstat <at> wanadoo.fr) http://perso.wanadoo.fr/sebastien.godard/
