[Sound-open-firmware] [PATCH] topology: speed up topology build

[Ranjani Sridharan]

Speed up topology with batch processing of m4 files

Signed-off-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
---
 topology/test/tplg-build.sh | 37 ++++++++++++++++++-------------------
 1 file changed, 18 insertions(+), 19 deletions(-)

diff --git a/topology/test/tplg-build.sh b/topology/test/tplg-build.sh
index 7c55fba..c85b5b5 100755
--- a/topology/test/tplg-build.sh
+++ b/topology/test/tplg-build.sh
@@ -8,14 +8,14 @@
 set -e
 
 # M4 preprocessor flags
-M4_FLAGS="-I ../ -I ../m4 -I ../common"
+export M4PATH="../:../m4:../common"
 
 # Simple component test cases
 # can be used on components with 1 sink and 1 source.
 SIMPLE_TESTS=(test-ssp test-capture-ssp test-playback-ssp)
 TONE_TEST=test-tone-playback-ssp
-
-
+TEST_STRINGS=""
+M4_STRINGS=""
 # process m4 simple tests -
 # simple_test(name, pipe_name, be_name, format, dai_id, dai_format, dai_phy_bits, dai_data_bits dai_bclk)
 # 1) name - test filename suffix
@@ -35,21 +35,11 @@ function simple_test {
 	for i in ${SIMPLE_TESTS[@]}
 	do
 		TFILE="$i$5-${11}-$2-$4-$6-48k-$((${10} / 1000))k-$1"
-		echo "M4 pre-processing test $i -> ${TFILE}"
-		m4 ${M4_FLAGS} \
-			-DTEST_PIPE_NAME="$2" \
-			-DTEST_DAI_LINK_NAME="$3" \
-			-DTEST_SSP_PORT=$5 \
-			-DTEST_SSP_FORMAT=$6 \
-			-DTEST_PIPE_FORMAT=$4 \
-			-DTEST_SSP_BCLK=$9 \
-			-DTEST_SSP_MCLK=${10} \
-			-DTEST_SSP_PHY_BITS=$7 \
-			-DTEST_SSP_DATA_BITS=$8 \
-			-DTEST_SSP_MODE=${11} \
-			$i.m4 > ${TFILE}.conf
-		echo "Compiling test $i -> ${TFILE}.tplg"
-		alsatplg -v 1 -c ${TFILE}.conf -o ${TFILE}.tplg
+		#create input string for batch m4 processing
+		M4_STRINGS+="-DTEST_PIPE_NAME=$2,-DTEST_DAI_LINK_NAME=$3,-DTEST_SSP_PORT=$5,-DTEST_SSP_FORMAT=$6,-DTEST_PIPE_FORMAT=$4,-DTEST_SSP_BCLK=$9,-DTEST_SSP_MCLK=${10},-DTEST_SSP_PHY_BITS=$7,-DTEST_SSP_DATA_BITS=$8,-DTEST_SSP_MODE=${11},$i.m4,${TFILE},"
+		#create input string for batch processing of conf files
+		TEST_STRINGS+=${TFILE}","
+
 	done
 }
 
@@ -69,7 +59,7 @@ function simple_test {
 function tone_test {
 	TFILE="$TONE_TEST$5-$2-$4-$6-48k-$1"
 	echo "M4 pre-processing test $TONE_TEST -> ${TFILE}"
-	m4 ${M4_FLAGS} \
+	m4 \
 		-DTEST_PIPE_NAME="$2" \
 		-DTEST_DAI_LINK_NAME="$3" \
 		-DTEST_SSP_PORT=$5 \
@@ -84,6 +74,8 @@ function tone_test {
 	alsatplg -v 1 -c ${TFILE}.conf -o ${TFILE}.tplg
 }
 
+echo "Preparing topology build input..."
+
 # Pre-process the simple tests
 simple_test nocodec passthrough "NoCodec" s16le 2 s16le 20 16 1920000 19200000 I2S
 simple_test nocodec passthrough "NoCodec" s24le 2 s24le 25 24 2400000 19200000 I2S
@@ -166,4 +158,11 @@ simple_test nocodec src "NoCodec" s24le 4 s24le 25 24 2400000 24000000 I2S
 # Tone test: Tone component only supports s32le currently
 tone_test codec tone "SSP2-Codec" s32le 2 s16le 20 16 1920000 19200000
 
+echo "Batch processing m4 files..."
+#m4 processing
+echo $M4_STRINGS | tr '\n' '\0' | xargs -d ',' -n12 -P10 bash -c 'm4 "${@:1:${#}-1}" > ${12}.conf' m4
+
+#execute alsatplg to create topology binary
+TEST_STRINGS=${TEST_STRINGS%?}
+echo $TEST_STRINGS | tr '\n' '\0' | xargs -d ',' -n1 -P10 -I string alsatplg -v 1 -c string".conf" -o string".tplg"
 
-- 
2.14.1