From d3b6455e19f9bc291601ee6400d99552d1962711 Mon Sep 17 00:00:00 2001
From: Alexandru Nemes <alexandru.nemes@enea.com>
Date: Fri, 2 Jun 2017 13:26:30 +0300
Subject: Adapt lmbench scripts for aarch64 nodes

LMBench shell scripts were invoking x86_64 executables.
This made them fail when executed on aarch64 nodes.
Added architecture detection and proper command call.

JIRA: ARMBAND-268

Change-Id: I8c9e87158631f7f5479adc2fda9558f9f7e54406
Signed-off-by: Alexandru Nemes <alexandru.nemes@enea.com>
(cherry picked from commit fd2b3173d21d34720f714e7e6358dafe7d1ada12)
---
 .../scenarios/compute/lmbench_bandwidth_benchmark.bash         | 10 +++++++++-
 .../benchmark/scenarios/compute/lmbench_latency_benchmark.bash |  9 ++++++++-
 .../benchmark/scenarios/compute/lmbench_latency_for_cache.bash |  9 ++++++++-
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash b/yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash
index 09993a088..1a25121c7 100644
--- a/yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash
+++ b/yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash
@@ -19,6 +19,8 @@ SIZE=$1
 TEST_NAME=$2
 WARMUP=$3
 
+NODE_CPU_ARCH="$(uname -m)"
+
 # write the result to stdout in json format
 output_json()
 {
@@ -26,4 +28,10 @@ output_json()
     echo $DATA | awk '/ /{printf "{\"size(MB)\": %s, \"bandwidth(MBps)\": %s}", $1, $2}'
 }
 
-/usr/lib/lmbench/bin/x86_64-linux-gnu/bw_mem -W $WARMUP ${SIZE}k $TEST_NAME 2>&1 | output_json
\ No newline at end of file
+if [ "${NODE_CPU_ARCH}" == "aarch64" ]; then
+    REL_PATH="bw_mem"
+else
+    REL_PATH="x86_64-linux-gnu/bw_mem"
+fi
+
+/usr/lib/lmbench/bin/${REL_PATH} -W $WARMUP ${SIZE}k $TEST_NAME 2>&1 | output_json
\ No newline at end of file
diff --git a/yardstick/benchmark/scenarios/compute/lmbench_latency_benchmark.bash b/yardstick/benchmark/scenarios/compute/lmbench_latency_benchmark.bash
index 04e3c1a9d..be27a87b0 100644
--- a/yardstick/benchmark/scenarios/compute/lmbench_latency_benchmark.bash
+++ b/yardstick/benchmark/scenarios/compute/lmbench_latency_benchmark.bash
@@ -19,6 +19,8 @@ SIZE=$1
 shift
 STRIDE=$1
 
+NODE_CPU_ARCH="$(uname -m)"
+
 # write the result to stdout in json format
 output_json()
 {
@@ -37,5 +39,10 @@ output_json()
     echo ]
 }
 
-/usr/lib/lmbench/bin/x86_64-linux-gnu/lat_mem_rd $SIZE $STRIDE 2>&1 | output_json
+if [ "${NODE_CPU_ARCH}" == "aarch64" ]; then
+    REL_PATH="lat_mem_rd"
+else
+    REL_PATH="x86_64-linux-gnu/lat_mem_rd"
+fi
 
+/usr/lib/lmbench/bin/${REL_PATH} $SIZE $STRIDE 2>&1 | output_json
\ No newline at end of file
diff --git a/yardstick/benchmark/scenarios/compute/lmbench_latency_for_cache.bash b/yardstick/benchmark/scenarios/compute/lmbench_latency_for_cache.bash
index 2ed1bbe14..dd5d6292e 100644
--- a/yardstick/benchmark/scenarios/compute/lmbench_latency_for_cache.bash
+++ b/yardstick/benchmark/scenarios/compute/lmbench_latency_for_cache.bash
@@ -18,6 +18,8 @@ set -e
 REPETITON=$1
 WARMUP=$2
 
+NODE_CPU_ARCH="$(uname -m)"
+
 # write the result to stdout in json format
 output_json()
 {
@@ -25,5 +27,10 @@ output_json()
     echo $DATA | awk '{printf "{\"L1cache\": %s}", $5}'
 }
 
-/usr/lib/lmbench/bin/x86_64-linux-gnu/cache -W $WARMUP -N $REPETITON  2>&1 | output_json
+if [ "${NODE_CPU_ARCH}" == "aarch64" ]; then
+    REL_PATH="cache"
+else
+    REL_PATH="x86_64-linux-gnu/cache"
+fi
 
+/usr/lib/lmbench/bin/${REL_PATH} -W $WARMUP -N $REPETITON  2>&1 | output_json
\ No newline at end of file
-- 
cgit 1.2.3-korg