Re: how to monitor memory usage on freebsd systems

2008/8/12 Chee Meng Gui <[email protected]>:
> So the hrStorageEntry.hrStorageUsed.1  is in kilobytes?

hrStorageUsed is reported in the units specified in hrStorageUnits.
So if hrStorageUnits.1 is 1024, then hrStorageUsed.1 is in Kb


> When I checked this result against the used memory output of sysctl {
> hw.physmem - ( ( vm.stats.vm.v_inactive_count + vm.stats.vm.v_cache_count +
> vm.stats.vm.v_free_count ) * hw.pagesize ) } , the two were not equal.

On FreeBSD with the latest (5.4.x) agent,  "Physical memory" is
retrieved by running sysctl on HW_USERMEM.   Most of the other
values are calculated by running sysctl on VM_METER

See 'agent/mibgroup/hardware/memory/memory_freebsd.c'
for the details.

Dave

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