--- /dev/null
+---
+# Sample benchmark task config file
+# Reading memory load/statistics
+
+schema: "yardstick:task:0.1"
+
+scenarios:
+-
+ type: MEMORYload
+ options:
+ interval: 1
+ count: 1
+
+ host: kratos.demo
+
+ runner:
+ type: Duration
+ duration: 60
+
+context:
+ name: demo
+ image: yardstick-trusty-server
+ flavor: yardstick-flavor
+ user: ubuntu
+
+ servers:
+ kratos:
+ floating_ip: true
+
+ networks:
+ test:
+ cidr: '10.0.1.0/24'
--- /dev/null
+ total used free shared buffers cached
+Mem: 263753976 76737332 187016644 2844 853528 67252400
+-/+ buffers/cache: 8631404 255122572
+Swap: 268029948 0 268029948
+
--- /dev/null
+#!/usr/bin/env python
+
+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# Unittest for yardstick.benchmark.scenarios.compute.memload.MEMLoad
+
+import mock
+import unittest
+import os
+
+from yardstick.benchmark.scenarios.compute import memload
+
+
+@mock.patch('yardstick.benchmark.scenarios.compute.memload.ssh')
+class MEMLoadTestCase(unittest.TestCase):
+
+ def setUp(self):
+ self.ctx = {
+ 'host': {
+ 'ip': '172.16.0.137',
+ 'user': 'root',
+ 'key_filename': "mykey.key"
+ }
+ }
+
+ self.result = {}
+
+ def test_memload_successful_setup(self, mock_ssh):
+ m = memload.MEMLoad({}, self.ctx)
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+
+ m.setup()
+ self.assertIsNotNone(m.client)
+ self.assertTrue(m.setup_done)
+
+ def test_execute_command_success(self, mock_ssh):
+ m = memload.MEMLoad({}, self.ctx)
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+ m.setup()
+
+ expected_result = 'abcdefg'
+ mock_ssh.SSH().execute.return_value = (0, expected_result, '')
+ result = m._execute_command("foo")
+ self.assertEqual(result, expected_result)
+
+ def test_execute_command_failed(self, mock_ssh):
+ m = memload.MEMLoad({}, self.ctx)
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+ m.setup()
+
+ mock_ssh.SSH().execute.return_value = (127, '', 'Failed executing \
+ command')
+ self.assertRaises(RuntimeError, m._execute_command,
+ "cat /proc/meminfo")
+
+ def test_get_mem_usage_successful(self, mock_ssh):
+ options = {
+ "interval": 1,
+ "count": 1
+ }
+ args = {"options": options}
+ m = memload.MEMLoad(args, self.ctx)
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+ m.setup()
+
+ output = self._read_file("memload_sample_output.txt")
+ mock_ssh.SSH().execute.return_value = (0, output, '')
+ result = m._get_mem_usage()
+ expected_result = {"max": {"used": 76737332, "cached": 67252400,
+ "free": 187016644, "shared": 2844,
+ "total": 263753976, "buffers": 853528},
+ "average": {"used": 76737332, "cached": 67252400,
+ "free": 187016644, "shared": 2844,
+ "total": 263753976, "buffers": 853528},
+ "free": {"memory0": {"used": "76737332",
+ "cached": "67252400", "free": "187016644",
+ "shared": "2844", "total": "263753976",
+ "buffers": "853528"}}}
+ self.assertEqual(result, expected_result)
+
+ def _read_file(self, filename):
+ curr_path = os.path.dirname(os.path.abspath(__file__))
+ output = os.path.join(curr_path, filename)
+ with open(output) as f:
+ sample_output = f.read()
+ return sample_output
+
--- /dev/null
+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+"""Memory load and statistics."""
+
+import logging
+import yardstick.ssh as ssh
+
+from yardstick.benchmark.scenarios import base
+
+LOG = logging.getLogger(__name__)
+
+
+class MEMLoad(base.Scenario):
+ """Collect memory statistics and system load.
+
+ This scenario reads memory usage statistics on a Linux host.
+
+ memory usage statistics are read using the utility 'free'.
+
+ Parameters
+ interval - Time interval to measure memory usage.
+ Continuously display the result delay interval seconds apart.
+ type: [int]
+ unit: seconds
+ default: 1
+
+ count - specifies a # of measurments for each test
+ type: [int]
+ unit: N/A
+ default: 1
+ """
+ __scenario_type__ = "MEMORYload"
+
+ def __init__(self, scenario_cfg, context_cfg):
+ """Scenario construction."""
+ self.scenario_cfg = scenario_cfg
+ self.context_cfg = context_cfg
+ self.setup_done = False
+
+ def setup(self):
+ """Scenario setup."""
+ host = self.context_cfg['host']
+ user = host.get('user', 'ubuntu')
+ ip = host.get('ip', None)
+ key_filename = host.get('key_filename', '~/.ssh/id_rsa')
+
+ LOG.info("user:%s, host:%s", user, ip)
+ self.client = ssh.SSH(user, ip, key_filename=key_filename)
+ self.client.wait(timeout=600)
+
+ self.setup_done = True
+
+ def _execute_command(self, cmd):
+ """Execute a command on server."""
+ LOG.info("Executing: %s" % cmd)
+ status, stdout, stderr = self.client.execute(cmd)
+ if status:
+ raise RuntimeError("Failed executing command: ",
+ cmd, stderr)
+ return stdout
+
+ def _filtrate_result(self, result):
+ fields = []
+ free = {}
+ ite = 0
+ average = {'total': 0, 'used': 0, 'free': 0, 'cached': 0, 'shared': 0,
+ 'buffers': 0}
+ maximum = {'total': 0, 'used': 0, 'free': 0, 'cached': 0, 'shared': 0,
+ 'buffers': 0}
+
+ for row in result.split('\n'):
+ line = row.split()
+
+ if line and line[0] == 'total':
+ # header fields
+ fields = line[:]
+ elif line and line[0] == 'Mem:':
+ memory = 'memory' + str(ite)
+ ite += 1
+ values = line[1:]
+ if values and len(values) == len(fields):
+ free[memory] = dict(zip(fields, values))
+
+ for entry in free:
+ for item in average:
+ average[item] += int(free[entry][item])
+
+ for item in maximum:
+ if int(free[entry][item]) > maximum[item]:
+ maximum[item] = int(free[entry][item])
+
+ for item in average:
+ average[item] = average[item] / len(free)
+
+ return {'free': free, 'average': average, 'max': maximum}
+
+ def _get_mem_usage(self):
+ """Get memory usage using free."""
+ options = self.scenario_cfg['options']
+ interval = options.get("interval", 1)
+ count = options.get("count", 1)
+
+ cmd = "free -s %s -c %s" % (interval, count)
+
+ result = self._execute_command(cmd)
+ filtrated_result = self._filtrate_result(result)
+
+ return filtrated_result
+
+ def run(self, result):
+ """Read processor statistics."""
+ if not self.setup_done:
+ self.setup()
+
+ result.update(self._get_mem_usage())
Code Review / yardstick.git / commitdiff