mirror of
https://git.savannah.gnu.org/git/parallel.git
synced 2024-11-27 00:17:54 +00:00
42 lines
1.4 KiB
Bash
42 lines
1.4 KiB
Bash
#!/bin/bash
|
|
|
|
forceload () {
|
|
# Force load
|
|
LOAD=$1
|
|
# Start 10 times as many burnP6
|
|
seq 0 0.1 $1 | parallel -j0 timeout 20 burnP6 2>/dev/null &
|
|
PID=$!
|
|
# Give GNU Parallel 1 second to startup
|
|
sleep 1
|
|
perl -e 'do{$a=`uptime`} while($a=~/average: *(\S+)/ and $1 < '$LOAD')'
|
|
# Load is now > $CPUS
|
|
}
|
|
|
|
# Force load avg > number of cpu cores
|
|
forceload $(parallel --number-of-cores)
|
|
|
|
cat <<'EOF' | parallel -vj0 -k -L1
|
|
echo "bug #38441: CPU usage goes to 100% if load is higher than --load at first job"
|
|
/usr/bin/time -f %e parallel --load 100% true ::: a 2>&1 |
|
|
perl -ne '$_ > 1 and print "More than 1 secs wall clock: OK\n"'
|
|
|
|
/usr/bin/time -f %U parallel --load 100% true ::: a 2>&1 |
|
|
perl -ne '$_ < 1 and print "Less than 1 secs user time: OK\n"'
|
|
|
|
echo '### Test slow arguments generation - https://savannah.gnu.org/bugs/?32834'
|
|
seq 1 3 | parallel -j1 "sleep 2; echo {}" | parallel -kj2 echo
|
|
EOF
|
|
|
|
# Make sure we got all the burnP6 killed
|
|
killall -9 burnP6 2>/dev/null
|
|
|
|
echo '### Test too slow spawning'
|
|
# Let the commands below run during high load
|
|
seq 1000 | timeout 20 parallel -j400% -N0 burnP6 2>/dev/null &
|
|
PID=$!
|
|
seq 1 1000 | stdout nice nice parallel --halt 1 -uj0 -N0 kill $PID |
|
|
perl -pe '/parallel: Warning: Starting \d+ processes took/ and do {close STDIN; `kill '$PID';killall -9 burnP6`; print "OK\n"; exit }';
|
|
|
|
# Make sure we got all the burnP6 killed
|
|
killall -9 burnP6 2>/dev/null
|