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From 789d3c5ecda60a6dc5d5b3597047ad65c412f10d Mon Sep 17 00:00:00 2001
From: Cristian Stoica <cristian.stoica@nxp.com>
Date: Tue, 25 Oct 2016 15:30:59 +0300
Subject: [PATCH 055/104] add multithreaded wrapper for async speed test
Signed-off-by: Cristian Stoica <cristian.stoica@nxp.com>
---
tests/Makefile | 1 +
tests/async_speed_multi.sh | 140 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 141 insertions(+)
create mode 100755 tests/async_speed_multi.sh
diff --git a/tests/Makefile b/tests/Makefile
index 683f40b..6424c11 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -40,6 +40,7 @@ install:
for prog in $(hostprogs); do \
install -m 755 $$prog $(DESTDIR)/$(bindir)/tests_cryptodev/; \
done
+ install -m 755 async_speed_multi.sh $(DESTDIR)/$(bindir)
clean:
rm -f *.o *~ $(hostprogs)
diff --git a/tests/async_speed_multi.sh b/tests/async_speed_multi.sh
new file mode 100755
index 0000000..761c0cb
--- /dev/null
+++ b/tests/async_speed_multi.sh
@@ -0,0 +1,140 @@
+#!/bin/bash
+#
+# Copyright 2016 NXP Semiconductors
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+
+# no user-configurable options below this line
+
+NUM_CORES=`nproc`
+OUT_BASENAME="async_speed"
+MPSTAT="mpstat"
+MPSTAT_OUT="mpstat_out"
+
+function usage
+{
+cat << EOF
+Usage: `basename $0` [OPTIONS] <alg_name>
+
+ -m <threads> number of threads to run with (defaults to number of cores)
+ -t <secs> time to run each test (default 10 secs)
+ -n <bytes> size of the test buffer (default 256 bytes)
+ -h show this help
+
+alg_name: null, aes-128-cbc, aes-256-xts, sha1, sha256, crc32c
+EOF
+}
+
+function SUM {
+ paste -sd+ - | bc -l
+}
+
+function get_cpu_idle
+{
+ header_line=`grep %idle ${MPSTAT_OUT} | head -n 1 | sed 's/\s\+/ /g'`
+ idle_column=`echo $header_line | wc -w`
+
+ all_cpu_idle=`grep all ${MPSTAT_OUT} | tail -n +2 | sed 's/\s\+/ /g' | cut -d' ' -f ${idle_column} | SUM`
+ mpstat_lines=`grep all ${MPSTAT_OUT} | tail -n +2 | wc -l`
+
+ average_idle=`echo "scale=2; $all_cpu_idle / $mpstat_lines" | bc -l`
+ echo $average_idle
+}
+
+function run_parallel
+{
+ trap control_c SIGINT
+
+ OPTIONS="-t $tvalue -n $nvalue -m"
+ CMD="async_speed $OPTIONS $alg_name"
+
+ echo "Running $mvalue threads in parallel:"
+ echo " $CMD"
+
+ $MPSTAT 1 $(($tvalue-1)) &> $MPSTAT_OUT &
+ MPSTAT_PID=$!
+
+ PIDS=""
+ start=`date +%s.%N`
+
+ for i in `seq 0 $(($mvalue-1))`
+ do
+ CMD_OUT="${OUT_BASENAME}_${i}"
+
+ $CMD &> $CMD_OUT &
+ PID=$!
+ AFFINITY=$(($i % $NUM_CORES))
+ taskset -pc $AFFINITY $PID > /dev/null
+
+ PIDS="$PID $PIDS"
+ done
+
+ wait $PIDS
+ end=`date +%s.%N`
+
+ wait $MPSTAT_PID
+
+ runtime=$(echo "scale=2; $end - $start" | bc -l )
+ 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`
+
+ echo
+ echo "buffer size : $nvalue"
+ echo "running time : $runtime"
+ echo "avg_speed : $avg_speed GiB/s"
+ echo "all_cpu idle : $cpu_idle %"
+ echo
+}
+
+function control_c
+{
+ killall async_speed > /dev/null
+ killall mpstat > /dev/null
+}
+
+function main
+{
+ while getopts hm:t:n: option
+ do
+ case "$option" in
+ m) mvalue="$OPTARG";;
+ t) tvalue="$OPTARG";;
+ n) nvalue="$OPTARG";;
+ *) usage $0; exit 1;;
+ esac
+ done
+
+ 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
+
+ case "$alg_name" in
+ "null" |\
+ "aes-128-cbc" |\
+ "aes-256-xts" |\
+ "sha1" |\
+ "sha256" |\
+ "crc32c" ) run_parallel;;
+ * ) usage && exit 1;;
+ esac
+}
+
+main "$@"
+
--
2.10.2
|
