From 804abc1206a1ca23d1d1eca0b63b54abca850a26 Mon Sep 17 00:00:00 2001 From: Kristian Hunt Date: Thu, 17 Dec 2015 12:15:32 +0100 Subject: [PATCH] Fix lmbench memory read latency stop size Stop size parameter's type should be float to allow for performing measurements on only L1 and L2 cache if needed. JIRA: - Change-Id: Ibc4d052c343e9dcccf6101c6c949172bb5a0f9e1 Signed-off-by: Kristian Hunt --- samples/lmbench.yaml | 2 +- yardstick/benchmark/scenarios/compute/lmbench.py | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/samples/lmbench.yaml b/samples/lmbench.yaml index 8baa81477..4ef53c30b 100644 --- a/samples/lmbench.yaml +++ b/samples/lmbench.yaml @@ -9,7 +9,7 @@ scenarios: type: Lmbench options: test_type: "latency" - stop_size: 32 + stop_size: 32.0 host: demeter.demo diff --git a/yardstick/benchmark/scenarios/compute/lmbench.py b/yardstick/benchmark/scenarios/compute/lmbench.py index b9adf5079..e15fe7eb4 100644 --- a/yardstick/benchmark/scenarios/compute/lmbench.py +++ b/yardstick/benchmark/scenarios/compute/lmbench.py @@ -31,9 +31,9 @@ class Lmbench(base.Scenario): unit: bytes default: 128 stop_size - maximum array size to test (minimum value is 0.000512) - type: int + type: float unit: megabytes - default: 16 + default: 16.0 Results are accurate to the ~2-5 nanosecond range. @@ -98,8 +98,8 @@ class Lmbench(base.Scenario): if test_type == 'latency': stride = options.get('stride', 128) - stop_size = options.get('stop_size', 16) - cmd = "sudo bash lmbench_latency.sh %d %d" % (stop_size, stride) + stop_size = options.get('stop_size', 16.0) + cmd = "sudo bash lmbench_latency.sh %f %d" % (stop_size, stride) elif test_type == 'bandwidth': size = options.get('size', 128) benchmark = options.get('benchmark', 'rd') -- 2.16.6