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authorJörgen Karlsson <jorgen.w.karlsson@ericsson.com>2015-08-13 12:47:26 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2015-08-13 12:47:26 +0000
commitce671dba3dafe0d7d80d4a7eea1f9395bc4d6d7d (patch)
tree5a268636d2fa944e907b771ff61d0c44215a7a0d
parent284f4266cdbb4efea1abdc97a0974315c9e9c2f2 (diff)
parentf08252e8327c5b5625845ee44866dff1a7f7c16f (diff)
Merge "Add lmbench scenario and sample"
-rw-r--r--samples/lmbench.yaml46
-rw-r--r--setup.py1
-rw-r--r--yardstick/benchmark/scenarios/compute/__init__.py0
-rw-r--r--yardstick/benchmark/scenarios/compute/lmbench.py112
-rw-r--r--yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash41
5 files changed, 200 insertions, 0 deletions
diff --git a/samples/lmbench.yaml b/samples/lmbench.yaml
new file mode 100644
index 000000000..c7526c04c
--- /dev/null
+++ b/samples/lmbench.yaml
@@ -0,0 +1,46 @@
+---
+# Sample benchmark task config file
+# measure memory read latency using lmbench
+
+schema: "yardstick:task:0.1"
+
+scenarios:
+-
+ type: Lmbench
+ options:
+ stride: 64
+ stop_size: 32
+
+ host: demeter.demo
+
+ runner:
+ type: Arithmetic
+ name: stride
+ stop: 128
+ step: 64
+
+ sla:
+ max_latency: 35
+ action: monitor
+
+context:
+ name: demo
+ image: yardstick-trusty-server
+ flavor: yardstick-flavor
+ user: ec2-user
+
+ placement_groups:
+ pgrp1:
+ policy: "availability"
+
+ servers:
+ demeter:
+ floating_ip: true
+ placement: "pgrp1"
+
+ networks:
+ test:
+ cidr: '10.0.1.0/24'
+ external_network: "net04_ext"
+
+
diff --git a/setup.py b/setup.py
index e8fd3aa0a..a346f5765 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,7 @@ setup(
include_package_data=True,
package_data={
'yardstick': [
+ 'benchmark/scenarios/compute/*.bash',
'benchmark/scenarios/networking/*.bash',
'benchmark/scenarios/storage/*.bash',
'resources/files/*'
diff --git a/yardstick/benchmark/scenarios/compute/__init__.py b/yardstick/benchmark/scenarios/compute/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/yardstick/benchmark/scenarios/compute/__init__.py
diff --git a/yardstick/benchmark/scenarios/compute/lmbench.py b/yardstick/benchmark/scenarios/compute/lmbench.py
new file mode 100644
index 000000000..4ce2825c7
--- /dev/null
+++ b/yardstick/benchmark/scenarios/compute/lmbench.py
@@ -0,0 +1,112 @@
+##############################################################################
+# Copyright (c) 2015 Ericsson AB 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
+##############################################################################
+import pkg_resources
+import logging
+import json
+
+import yardstick.ssh as ssh
+from yardstick.benchmark.scenarios import base
+
+LOG = logging.getLogger(__name__)
+LOG.setLevel(logging.DEBUG)
+
+
+class Lmbench(base.Scenario):
+ """Execute lmbench memory read latency benchmark in a host
+
+ Parameters
+ stride - number of locations in memory between starts of array elements
+ type: int
+ unit: bytes
+ default: 128
+ stop_size - maximum array size to test (minimum value is 0.000512)
+ type: int
+ unit: megabytes
+ default: 16
+
+ Results are accurate to the ~2-5 nanosecond range.
+ """
+ __scenario_type__ = "Lmbench"
+
+ TARGET_SCRIPT = "lmbench_benchmark.bash"
+
+ def __init__(self, context):
+ self.context = context
+ self.setup_done = False
+
+ def setup(self):
+ """scenario setup"""
+ self.target_script = pkg_resources.resource_filename(
+ "yardstick.benchmark.scenarios.compute",
+ Lmbench.TARGET_SCRIPT)
+ user = self.context.get("user", "ubuntu")
+ host = self.context.get("host", None)
+ key_filename = self.context.get('key_filename', "~/.ssh/id_rsa")
+
+ LOG.debug("user:%s, host:%s", user, host)
+ self.client = ssh.SSH(user, host, key_filename=key_filename)
+ self.client.wait(timeout=600)
+
+ # copy script to host
+ self.client.run("cat > ~/lmbench.sh",
+ stdin=open(self.target_script, 'rb'))
+
+ self.setup_done = True
+
+ def run(self, args):
+ """execute the benchmark"""
+
+ if not self.setup_done:
+ self.setup()
+
+ options = args['options']
+ stride = options.get('stride', 128)
+ stop_size = options.get('stop_size', 16)
+
+ cmd = "sudo bash lmbench.sh %d %d" % (stop_size, stride)
+ LOG.debug("Executing command: %s", cmd)
+ status, stdout, stderr = self.client.execute(cmd)
+
+ if status:
+ raise RuntimeError(stderr)
+
+ data = json.loads(stdout)
+
+ if "sla" in args:
+ sla_max_latency = int(args['sla']['max_latency'])
+ for result in data:
+ latency = result['latency']
+ assert latency <= sla_max_latency, "latency %f > " \
+ "sla:max_latency(%f)" % (latency, sla_max_latency)
+
+ return data
+
+
+def _test():
+ """internal test function"""
+ key_filename = pkg_resources.resource_filename('yardstick.resources',
+ 'files/yardstick_key')
+ ctx = {'host': '172.16.0.137',
+ 'user': 'ubuntu',
+ 'key_filename': key_filename
+ }
+
+ logger = logging.getLogger('yardstick')
+ logger.setLevel(logging.DEBUG)
+
+ p = Lmbench(ctx)
+
+ options = {'stride': 128, 'stop_size': 16}
+
+ args = {'options': options}
+ result = p.run(args)
+ print result
+
+if __name__ == '__main__':
+ _test()
diff --git a/yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash b/yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash
new file mode 100644
index 000000000..04e3c1a9d
--- /dev/null
+++ b/yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+##############################################################################
+# Copyright (c) 2015 Ericsson AB 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
+##############################################################################
+
+# Run a lmbench read memory latency benchmark in a host and
+# outputs in json format the array sizes in megabytes and
+# load latency over all points in that array in nanosecods
+
+set -e
+
+SIZE=$1
+shift
+STRIDE=$1
+
+# write the result to stdout in json format
+output_json()
+{
+ iter=0
+ echo [
+ while read DATA
+ do
+ if [ $iter -gt 1 ] && [ -n "$DATA" ]; then
+ echo ,
+ fi
+
+ echo -n $DATA | awk '/ /{printf "{\"size\": %s, \"latency\": %s}", $1, $2}'
+
+ iter=$((iter+1))
+ done
+ echo ]
+}
+
+/usr/lib/lmbench/bin/x86_64-linux-gnu/lat_mem_rd $SIZE $STRIDE 2>&1 | output_json
+