From abcf5983f6d69c5ff35e77fb79ea7afe2149411a Mon Sep 17 00:00:00 2001
From: Cristian Stoica <cristian.stoica@nxp.com>
Date: Thu, 27 Oct 2016 09:33:11 +0300
Subject: [PATCH 072/104] use $(...) instead of `...` for consistency

Signed-off-by: Cristian Stoica <cristian.stoica@nxp.com>
---
 tests/async_speed_multi.sh | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/tests/async_speed_multi.sh b/tests/async_speed_multi.sh
index 659be0e..e10dc0d 100755
--- a/tests/async_speed_multi.sh
+++ b/tests/async_speed_multi.sh
@@ -19,7 +19,7 @@
 
 # no user-configurable options below this line
 
-NUM_CORES=`nproc`
+NUM_CORES=$(nproc)
 OUT_BASENAME="async_speed"
 S_TIME_FORMAT=ISO
 MPSTAT_OUT="mpstat_out"
@@ -44,9 +44,9 @@ function SUM {
 
 function get_cpu_idle
 {
-    header_line=`grep %idle ${MPSTAT_OUT} | head -n 1 | sed 's/\s\+/ /g'`
-    idle_column=`echo $header_line | wc -w`
-    average_idle=`grep Average ${MPSTAT_OUT} | sed 's/\s\+/ /g' | cut -d' ' -f ${idle_column} | tail -n 1`
+    header_line=$(grep %idle ${MPSTAT_OUT} | head -n 1 | sed 's/\s\+/ /g')
+    idle_column=$(echo $header_line | wc -w)
+    average_idle=$(grep Average ${MPSTAT_OUT} | sed 's/\s\+/ /g' | cut -d' ' -f ${idle_column} | tail -n 1)
 
     echo $average_idle
 }
@@ -66,9 +66,9 @@ function run_parallel
     MPSTAT_PID=$!
 
     PIDS=""
-    start=`date +%s.%N`
+    start=$(date +%s.%N)
 
-    for i in `seq 0 $(($mvalue-1))`
+    for i in $(seq 0 $(($mvalue-1)))
     do
 	CMD_OUT="${OUT_BASENAME}_${i}"
 
@@ -81,14 +81,14 @@ function run_parallel
     done
 
     wait $PIDS
-    end=`date +%s.%N`
+    end=$(date +%s.%N)
 
     wait $MPSTAT_PID
 
     runtime=$(echo "scale=2; ($end - $start) / 1" | bc -l )
-    total_data=`cat ${OUT_BASENAME}_* | cut -f 1 | SUM`
+    total_data=$(cat ${OUT_BASENAME}_* | cut -f 1 | SUM)
     avg_speed=$(echo "scale=2; $total_data / $runtime / 1000000000" | bc -l)
-    cpu_idle=`get_cpu_idle`
+    cpu_idle=$(get_cpu_idle)
 
     echo
     echo "buffer size  :   $nvalue"
@@ -124,9 +124,9 @@ function main
 	shift $((OPTIND-1))
 	alg_name=$1
 
-	[ -z "$tvalue" ] && tvalue=10      # 10 seconds per test by default
-	[ -z "$mvalue" ] && mvalue=`nproc` # thread count defaults to nproc
-	[ -z "$nvalue" ] && nvalue=256     # 256 bytes default buffer size
+	[ -z "$tvalue" ] && tvalue=10         # 10 seconds per test by default
+	[ -z "$mvalue" ] && mvalue=$NUM_CORES # thread count defaults to nproc
+	[ -z "$nvalue" ] && nvalue=256        # 256 bytes default buffer size
 
 	[ "$tvalue" -lt 5 ] && tvalue=5
 
-- 
2.10.2