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benchmark: Improve http-flamegraph

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This commit is contained in:
isaacs 2012-12-18 14:44:32 -08:00
parent 7475982801
commit 836593da23
1 changed files with 22 additions and 12 deletions
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34
benchmark/http-flamegraph.sh
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@ -1,5 +1,8 @@
#!/bin/bash #!/bin/bash
cd "$(dirname "$(dirname $0)")" cd "$(dirname "$(dirname $0)")"
node=${NODE:-./node}
if type sysctl &>/dev/null; then if type sysctl &>/dev/null; then
sudo sysctl -w net.inet.ip.portrange.first=12000 sudo sysctl -w net.inet.ip.portrange.first=12000
sudo sysctl -w net.inet.tcp.msl=1000 sudo sysctl -w net.inet.tcp.msl=1000
@ -7,33 +10,40 @@ if type sysctl &>/dev/null; then
fi fi
ulimit -n 100000 ulimit -n 100000
./node benchmark/http_simple.js & $node benchmark/http_simple.js &
nodepid=$! nodepid=$!
echo "node pid = $nodepid" echo "node pid = $nodepid"
sleep 1 sleep 1
# has to stay alive until dtrace exits # has to stay alive until dtrace exits
dtrace -n 'profile-97/pid == '$nodepid' && arg1/{ @[jstack(150, 8000)] = count(); } tick-60s { exit(0); }' > stacks.src & dtrace -n 'profile-97/pid == '$nodepid' && arg1/{ @[jstack(150, 8000)] = count(); } tick-60s { exit(0); }' \
| grep -v _ZN2v88internalL21Builtin_HandleApiCallENS0_12_GLOBAL__N_116BuiltinA \
> stacks.src &
dtracepid=$! dtracepid=$!
echo "dtrace pid = $dtracepid" echo "dtrace pid = $dtracepid"
sleep 1
test () { test () {
n=$1 c=$1
c=$2 t=$2
k=$3 l=$3
ab $k -n $n -c $c http://127.0.0.1:8000/${TYPE:-bytes}/${LENGTH:-1024} \ k=$4
ab $k -t 10 -c $c http://127.0.0.1:8000/$t/$l \
2>&1 | grep Req 2>&1 | grep Req
} }
test 10000 100 #test 100 bytes 1024
test 10000 10 -k #test 10 bytes 100 -k
test 10000 100 -k #test 100 bytes 1024 -k
test 30000 100 -k #test 100 bytes 1024 -k
test 60000 100 -k #test 100 bytes 1024 -k
echo 'Keep going until dtrace stops listening...' echo 'Keep going until dtrace stops listening...'
while pargs $dtracepid &>/dev/null; do while pargs $dtracepid &>/dev/null; do
ab -k -n 60000 -c 100 http://127.0.0.1:8000/${TYPE:-bytes}/${LENGTH:-1024} 2>&1 | grep Req test 100 bytes 1 -k
done done
kill $nodepid kill $nodepid