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tplg-build.sh: add NO_PROCESSORS, use VERBOSE more. 

Zero functional change and 100% identical outputs.

Also add some comments.

Interestingly, -P$(nproc) is a tiny bit faster than -P0 on my
system. Thrashing?

Signed-off-by: Marc Herbert <marc.herbert@intel.com>
This commit is contained in:
Marc Herbert 2020-05-20 11:27:33 -07:00 committed by Liam Girdwood
parent d4e508cf86
commit cff1bb62b0
1 changed files with 15 additions and 5 deletions
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20
tools/test/topology/tplg-build.sh
View File

@ -256,14 +256,24 @@ simple_test nocodec src "NoCodec-4" s24le SSP 4 s24le 25 24 2400000 24000000 I2S
if [ "$USE_XARGS" == "yes" ] if [ "$USE_XARGS" == "yes" ]
then then
echo "Batch processing m4 files..." printf '%s generating %s/*.conf files with m4...\n' "$0" "$BUILD_OUTPUT"
M4_STRINGS=${M4_STRINGS%?} M4_STRINGS=${M4_STRINGS%?}
#m4 processing #m4 processing
echo $M4_STRINGS | tr " " "," | tr '\n' '\0' | xargs -P0 -d ',' -n14 bash -c 'm4 "${@:1:${#}-1}" > ${14}.conf' m4
: ${NO_PROCESSORS:=$(nproc)}
# Each test is defined by 14 consecutive strings, the last one
# is the ${14}.conf output file.
shell_name=m4 # $0, only used in error messages
echo $M4_STRINGS | tr " " "," | tr '\n' '\0' |
xargs ${VERBOSE:+-t} -P${NO_PROCESSORS} -d ',' -n14 \
bash ${VERBOSE:+-x} -c 'm4 "${@:1:${#}-1}" > ${14}.conf' $shell_name
#execute alsatplg to create topology binary #execute alsatplg to create topology binary
printf '%s generating %s/*.tplg files with alsatplg...\n' \
"$0" "$BUILD_OUTPUT"
TEST_STRINGS=${TEST_STRINGS%?} TEST_STRINGS=${TEST_STRINGS%?}
echo $TEST_STRINGS | tr '\n' ',' |\ echo $TEST_STRINGS | tr '\n' ',' |
xargs -d ',' -P0 -n1 -I string alsatplg ${VERBOSE:+-v 1} -c\ xargs ${VERBOSE:+-t} -d ',' -P${NO_PROCESSORS} -n1 -I string \
string".conf" -o string".tplg" alsatplg ${VERBOSE:+-v 1} -c string".conf" -o string".tplg"
fi fi