/usr/sbin/vzcpucheck is in vzctl 4.9.4-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | #!/bin/sh
# Copyright (C) 2000-2009, Parallels, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
VERBOSE=0
CPUINFO=/proc/cpuinfo
FRSHD=/proc/fairsched
usage()
{
echo >&2 'Usage: vzcpucheck [-v]'
exit 2
}
if [ $# -eq 1 ]; then
if [ "$1" = '-v' ]; then
VERBOSE=1
else
usage
fi
elif [ $# -gt 1 ]; then
usage
fi
cat "$CPUINFO" "$FRSHD" >/dev/null || exit 1
CPUUTL=`awk '
BEGIN {IGNORECASE=1; sum=0}
($1 == "bogomips") {sum += $3}
END {print(sum * 25)}
' <"$CPUINFO"`
awk -v totunits="$CPUUTL" -v verbose="$VERBOSE" '
BEGIN {
sum = 0;
fail = 0;
weight = -1;
id = -1;
getline;
if ($1 == "Version:") {
getline;
}
for (i = 0; i < NF; i++) {
if ($i == "weight") {
weight = i;
}
if ($i == "id") {
id = i;
}
}
if (weight == -1) {
print("ERROR: Unknown format of '"$FRSHD"' column: weight not found");
fail = 1;
exit;
}
if (id == -1) {
print("ERROR: Unknown format of '"$FRSHD"' column: id not found");
fail = 1;
exit;
}
if (verbose) {
print("VEID\t\tCPUUNITS");
print("-------------------------");
}
}
($1 == 0 && $id != 0) {
if ($weight > 0) {
units = int(500000/$weight);
} else if ($weight == 0) {
units = 500000;
}
if (verbose) {
if ($id == 2147483647) {
print("0\t\t" units);
} else {
print($id "\t\t" units);
}
}
sum += units;
}
END {
if (fail)
exit 1;
print("Current CPU utilization: " sum);
print("Power of the node: " int(totunits));
if (sum > totunits)
print("Warning: hardware node is overcommitted");
}' <"$FRSHD"
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