80 lines
2.9 KiB
Bash
Executable File
80 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) 2011, Intel Corporation.
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# All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# DESCRIPTION
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# This script runs BB_CMD (typically building core-image-sato) for all
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# combincations of BB_RANGE and PM_RANGE values. It saves off all the console
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# logs, the buildstats directories, and creates a bb-pm-runtime.dat file which
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# can be used to postprocess the results with a plotting tool, spreadsheet, etc.
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# Before running this script, it is recommended that you pre-download all the
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# necessary sources by performing the BB_CMD once manually. It is also a good
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# idea to disable cron to avoid runtime variations caused by things like the
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# locate process. Be sure to sanitize the dat file prior to post-processing as
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# it may contain error messages or bad runs that should be removed.
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#
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# AUTHORS
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# Darren Hart <dvhart@linux.intel.com>
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#
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# The following ranges are appropriate for a 4 core system with 8 logical units
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# Use leading 0s to ensure all digits are the same string length, this results
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# in nice log file names and columnar dat files.
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BB_RANGE="04 05 06 07 08 09 10 11 12 13 14 15 16"
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PM_RANGE="04 05 06 07 08 09 10 11 12 13 14 15 16"
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DATADIR="bb-matrix-$$"
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BB_CMD="bitbake core-image-minimal"
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RUNTIME_LOG="$DATADIR/bb-matrix.dat"
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# See TIME(1) for a description of the time format parameters
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# The following all report 0: W K r s t w
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TIME_STR="%e %S %U %P %c %w %R %F %M %x"
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# Prepare the DATADIR
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mkdir $DATADIR
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if [ $? -ne 0 ]; then
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echo "Failed to create $DATADIR."
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exit 1
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fi
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# Add a simple header
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echo "BB PM $TIME_STR" > $RUNTIME_LOG
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for BB in $BB_RANGE; do
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for PM in $PM_RANGE; do
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RUNDIR="$DATADIR/$BB-$PM-build"
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mkdir $RUNDIR
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BB_LOG=$RUNDIR/$BB-$PM-bitbake.log
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date
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echo "BB=$BB PM=$PM Logging to $BB_LOG"
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echo -n " Preparing the work directory... "
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rm -rf pseudodone tmp sstate-cache tmp-eglibc &> /dev/null
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echo "done"
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# Export the variables under test and run the bitbake command
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# Strip any leading zeroes before passing to bitbake
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export BB_NUMBER_THREADS=$(echo $BB | sed 's/^0*//')
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export PARALLEL_MAKE="-j $(echo $PM | sed 's/^0*//')"
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/usr/bin/time -f "$BB $PM $TIME_STR" -a -o $RUNTIME_LOG $BB_CMD &> $BB_LOG
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echo " $(tail -n1 $RUNTIME_LOG)"
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cp -a tmp/buildstats $RUNDIR/$BB-$PM-buildstats
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done
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done
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