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#!/usr/bin/python
# Copyright (C) International Business Machines Corp., 2005
# Author: Dan Smith <danms@us.ibm.com>
import random
import re
from XmTestLib import *
if ENABLE_HVM_SUPPORT:
SKIP("Mem-set not supported for HVM domains")
domain = XmTestDomain()
try:
console = domain.start()
except DomainError, e:
if verbose:
print "Failed to start domain:"
print e.extra
FAIL(str(e))
times = random.randint(10,50)
try:
run = console.runCmd("cat /proc/xen/balloon | grep Current");
except ConsoleError, e:
FAIL(str(e))
match = re.match("[^0-9]+([0-9]+)", run["output"])
if not match:
FAIL("Invalid domU meminfo line")
origmem = int(match.group(1)) / 1024
currmem = origmem
for i in range(0,times):
amt = random.randint(-10,10)
target = currmem + amt
# Make sure we're not going over or under
if target < domain.minSafeMem():
continue
if target > origmem:
continue
if verbose:
print "[%i/%i] Current: %i Target: %i" % (i, times, currmem, target)
cmd = "xm mem-set %s %i" % (domain.getName(), target)
status, output = traceCommand(cmd)
if status != 0:
if verbose:
print "mem-set failed:"
print output
FAIL("mem-set from %i to %i failed" % (currmem, target))
try:
run = console.runCmd("cat /proc/xen/balloon | grep Current");
except ConsoleError, e:
FAIL(str(e))
match = re.match("[^0-9]+([0-9]+)", run["output"])
if not match:
FAIL("Invalid domU meminfo line")
domUmem = int(match.group(1)) / 1024
currmem = target
actual = int(getDomInfo(domain.getName(), "Mem"))
if actual != currmem:
FAIL("Expected %i MB, xm reported %i MB" % (currmem, actual))
if domUmem != currmem:
FAIL("Expected %i MB, domU reported %i MB" % (currmem, domUmem))
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