[libvirt] [libvirt-test-api][PATCH 1/3] add new test case for getMemoryStats
Signed-off-by: Luyao Huang <lhuang(a)redhat.com>
---
cases/test_connection.conf | 4 ++
repos/virconn/connection_getMemoryStats.py | 96 ++++++++++++++++++++++++++++++
2 files changed, 100 insertions(+)
create mode 100644 repos/virconn/connection_getMemoryStats.py
diff --git a/cases/test_connection.conf b/cases/test_connection.conf
index 3c08a95..336b1ad 100644
--- a/cases/test_connection.conf
+++ b/cases/test_connection.conf
@@ -73,3 +73,7 @@ virconn:connection_getCellsFreeMemory
virconn:connection_getMemoryParameters
conn
qemu:///system
+
+virconn:connection_getMemoryStats
+ conn
+ qemu:///system
diff --git a/repos/virconn/connection_getMemoryStats.py
b/repos/virconn/connection_getMemoryStats.py
new file mode 100644
index 0000000..fcc146b
--- /dev/null
+++ b/repos/virconn/connection_getMemoryStats.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python
+import libvirt
+from libvirt import libvirtError
+from utils import utils
+
+required_params = ()
+optional_params = {'conn': ''}
+
+NODE_ONLINE = '/sys/devices/system/node/online'
+MEMINFO = '/proc/meminfo'
+
+def getsysmem(a):
+ return open(a[0]).read().splitlines()[a[1]].split()[a[2]]
+
+def virtgetmem(a):
+ return a[0].getMemoryStats(a[1])[a[2]]
+
+def connection_getMemoryStats(params):
+ """
+ test API for getMemoryStats in class virConnect
+ """
+ logger = params['logger']
+ fail=0
+
+ nodeset = utils.file_read(NODE_ONLINE)
+ logger.info("host exist node is %s" % nodeset)
+
+ node_tuple = utils.param_to_tuple_nolength(nodeset)
+ if not node_tuple:
+ logger.info("error in function param_to_tuple_nolength")
+ return 1
+
+ try:
+ conn = libvirt.open(params['conn'])
+
+ logger.info("get connection cells memory status")
+ for n in range(len(node_tuple)):
+ if not node_tuple[n]:
+ continue
+
+ D = utils.get_standard_deviation(getsysmem, virtgetmem, \
+ ['/sys/devices/system/node/node%d/meminfo' % n,1,3],
[conn,n,'free'])
+ logger.info("Standard Deviation for free memory in node %d is %d" %
(n, D))
+
+
+ """ expectations 177 is a average collected in a x86_64 low
load machine"""
+ if D > 177*5:
+ fail=1
+ logger.info("FAIL: Standard Deviation is too big \
+ (biger than %d) for node %d free memory" % (177*5, n))
+
+ a1 = ['/sys/devices/system/node/node%d/meminfo' % n, 0, 3]
+ a2 = [conn,n,'total']
+ if long(getsysmem(a1)) != long(virtgetmem(a2)):
+ fail=1
+ logger.info("FAIL: Total memory in node %d is not right" % n)
+
+
+ D = utils.get_standard_deviation(getsysmem, virtgetmem, \
+ [MEMINFO, 3, 1], [conn, -1, 'buffers'])
+ logger.info("Standard Deviation for host buffers is %d" % D)
+
+ """ expectations 30 is a average collected in a x86_64 low load
machine"""
+ if D > 30*5:
+ fail=1
+ logger.info("FAIL: Standard Deviation is too big \
+ (biger than %d) for host buffers" % 30*5)
+
+ D = utils.get_standard_deviation(getsysmem, virtgetmem, \
+ [MEMINFO,4,1], [conn,-1,'cached'])
+ logger.info("Standard Deviation for host cached is %d" % D)
+
+ """ expectations 32 is a average collected in a x86_64 low load
machine"""
+ if D > 32*5:
+ fail=1
+ logger.info("FAIL: Standard Deviation is too big \
+ (biger than %d) for host cached" % 32*5)
+
+ D = utils.get_standard_deviation(getsysmem, virtgetmem, \
+ [MEMINFO,1,1], [conn,-1,'free'])
+ logger.info("Standard Deviation for host free memory is %d" % D)
+
+ """ expectations 177 is a average collected in a x86_64 low load
machine"""
+ if D > 177*5:
+ fail=1
+ logger.info("FAIL: Standard Deviation is too big \
+ (biger than %d) for host free memory" % 177*5)
+
+ if long(getsysmem([MEMINFO,0,1])) !=
long(virtgetmem([conn,-1,'total'])):
+ fail=1
+ logger.info("FAIL: Total memory for host is not right" % n)
+
+ except libvirtError, e:
+ logger.error("API error message: %s" % e.message)
+ fail=1
+ return fail
--
1.8.3.1