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
|
# Copyright 2013-2015 ARM Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# pylint: disable=W0201, C0103
import os
import re
from wa import Workload, Parameter, Executable
from wa.utils.exec_control import once
timeout_buffer = 10
hackbench_results_txt = 'hackbench_results.txt'
regex_map = {"total_groups": (re.compile(r'(\d+) groups'), "groups"),
"total_fd": (re.compile(r'(\d+) file descriptors'), "file_descriptors"),
"total_messages": (re.compile(r'(\d+) messages'), "messages"),
"total_bytes": (re.compile(r'(\d+) bytes'), "bytes"),
"test_time": (re.compile(r'Time: (\d+.*)'), "seconds")
}
class Hackbench(Workload):
name = 'hackbench'
description = """
Hackbench runs a series of tests for the Linux scheduler.
For details, go to:
https://github.com/linux-test-project/ltp/
"""
parameters = [
Parameter('timeout', kind=int, default=30, aliases=['duration'],
description='Expected test duration in seconds.'),
Parameter('datasize', kind=int, default=100, description='Message size in bytes.'),
Parameter('groups', kind=int, default=10, description='Number of groups.'),
Parameter('loops', kind=int, default=100, description='Number of loops.'),
Parameter('fds', kind=int, default=40, description='Number of file descriptors.'),
Parameter('extra_params', kind=str, default='',
description='''
Extra parameters to pass in. See the hackbench man page
or type `hackbench --help` for list of options.
'''),
]
binary_name = 'hackbench'
@once
def initialize(self, context):
host_binary = context.get_resource(Executable(self, self.target.abi, self.binary_name))
Hackbench.target_binary = self.target.install(host_binary)
def setup(self, context):
self.target_output_file = self.target.get_workpath(hackbench_results_txt)
self.run_timeout = self.timeout + timeout_buffer
command_format = '{} -s {} -g {} -l {} {} > {}'
self.command = command_format.format(self.target_binary, self.datasize, self.groups,
self.loops, self.extra_params, self.target_output_file)
def run(self, context):
self.target.execute(self.command, timeout=self.run_timeout)
def extract_results(self, context):
host_output_file = os.path.join(context.output_directory, hackbench_results_txt)
self.target.pull(self.target_output_file, host_output_file)
context.add_artifact('hackbench-results', host_output_file, kind='raw')
def update_output(self, context):
results_file = context.get_artifact_path('hackbench-results')
with open(results_file) as fh:
for line in fh:
for label, (regex, units) in regex_map.items():
match = regex.search(line)
if match:
context.add_metric(label, float(match.group(1)), units)
def teardown(self, context):
self.target.execute('rm -f {}'.format(self.target_output_file))
@once
def finalize(self, context):
self.target.uninstall(self.binary_name)
|
