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#!/bin/sh
#
# oe-time-dd-test records how much time it takes to
# write <count> number of kilobytes to the filesystem.
# It also records the number of processes that are in
# running (R), uninterruptible sleep (D) and interruptible
# sleep (S) state from the output of "top" command.
# The purporse of this script is to find which part of
# the build system puts stress on the filesystem io and
# log all the processes.
usage() {
echo "Usage: $0 <count>"
}
TIMEOUT=15
if [ $# -ne 1 ]; then
usage
exit 1
fi
uptime
timeout ${TIMEOUT} dd if=/dev/zero of=oe-time-dd-test.dat bs=1024 count=$1 conv=fsync
if [ $? -ne 0 ]; then
echo "Timeout used: ${TIMEOUT}"
top -c -b -n1 -w 512
tail -30 tmp*/log/cooker/*/console-latest.log
fi
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