On Wed, Feb 22, 2017 at 05:37:17PM +0000, Holger Levsen wrote: > echo $(((`(for VM in $(xl list|egrep -v "(Name|dom0)"|cut -d " " -f1) ; do > /usr/lib/qubes/qrexec-client -d $VM user:"/usr/bin/vmstat -s -S K" -t -T|grep > "used memory"|cut -d "K" -f1 ; done)|xargs echo|sed "s# #+#g#"`)/1024))MB used misses the used memory in dom0, so better:
echo $(((`(for VM in $(xl list|egrep -v "(Name|dom0)"|cut -d " " -f1) ; do
/usr/lib/qubes/qrexec-client -d $VM user:"/usr/bin/vmstat -s -S K" -t -T|grep
"used memory"|cut -d "K" -f1 ; done)|xargs echo $(vmstat -s -S K|grep "used
memory"|cut -d "K" -f1)|sed "s# #+#g#"`)/1024))
which is better done like this:
echo $(((`( vmstat -s -S K ; for VM in $(xl list|egrep -v "(Name|dom0)"|cut -d
" " -f1) ; do qvm-run $VM -p "/usr/bin/vmstat -s -S K" ; done ) | grep "used
memory" | cut -d "K" -f1 | xargs echo | sed "s# #+#g#"`)/1024))
which is also easier to understand I think ;) Essentially it runs vmstat
everywhere and adds up the numbers for "used memory", that's all.
And, it still should better read /proc/meminfo…
--
cheers,
Holger
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