| .TH vzcalc 8 "18 Mar 2012" "OpenVZ" "Containers" |
| .SH NAME |
| vzcalc \- calculate resource usage of a container |
| .SH SYNOPSIS |
| .SY vzcalc |
| .OP -v |
| .B CTID |
| .YS |
| .SH DESCRIPTION |
| This utility displays the share of the host system resources a particular |
| container is using. If the container is running, the current usage is |
| displayed. High utilization values (>100%) mean the system is overloaded |
| (or the container has an invalid configuration). |
| .TP |
| .B Current |
| Shows the amount of the resources consumed by the container at a given time. |
| .TP |
| .B Promised |
| Shows the resources soft limit values "promised" for a given container. |
| .TP |
| .B Max |
| Shows the resources hard limit values "promised" for a given container. |
| .P |
| If the \fB-v\fR option is specified, the following additional information |
| is also displayed: |
| .TP |
| .B Low Mem |
| The part of memory residing at lower addresses and directly accessed |
| by the kernel (only makes sense for 32-bit architectures). |
| .TP |
| .B Total RAM |
| Total memory. |
| .TP |
| .B Mem+Swap |
| Amount of memory available for applications (both RAM and swap space). |
| .TP |
| .B Alloc Mem |
| Standard memory allocations made for applications in a container. |
| This is a more "virtual" system resource than RAM or RAM and swap. |
| .TP |
| .B Num. Proc |
| Number of processes. |
| .SH OPTIONS |
| .TP |
| .B -v |
| Display additional information. |
| .SH EXIT STATUS |
| Normally, the exit status is 0. On error, the exit status is 1. |
| .SH LICENSE |
| Copyright (C) 2000-2009, Parallels, Inc. Licensed under GNU GPL. |