47c186ca32
- Add ability to set the replication factor by intent. - Add shell script to automate the loadtesting. Test: Loadtest app works. Change-Id: I7263a3c23049f3ed20144e4e15b6a54ac5fddcc8
100 lines
2.5 KiB
Bash
Executable File
100 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Script that measures statsd's PSS under an increasing number of metrics.
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# Globals.
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pss=""
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pid=""
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# Starts the loadtest.
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start_loadtest() {
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echo "Starting loadtest"
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adb shell am start -n com.android.statsd.loadtest/.LoadtestActivity --es "type" "start"
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}
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# Stops the loadtest.
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stop_loadtest() {
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echo "Stopping loadtest"
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adb shell am start -n com.android.statsd.loadtest/.LoadtestActivity --es "type" "stop"
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}
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# Sets the metrics replication.
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# Arguments:
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# $1: The replication factor.
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set_replication() {
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adb shell am start -n com.android.statsd.loadtest/.LoadtestActivity --es "type" "set_replication" --ei "replication" "${1}"
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echo "Replication set to ${1}"
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}
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# Reads statsd's pid and PSS.
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update_pid_and_pss() {
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# Command that reads the PSS for statsd. This also gives us its pid.
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get_mem=$(adb shell dumpsys meminfo |grep statsd)
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# Looks for statsd's pid.
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regex="([0-9,]+)K: statsd \(pid ([0-9]+)\).*"
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if [[ $get_mem =~ $regex ]]; then
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pss=$(echo "${BASH_REMATCH[1]}" | tr -d , | sed 's/\.//g')
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pid=$(echo "${BASH_REMATCH[2]}")
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else
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echo $cmd doesnt match $regex
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fi
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}
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# Kills statsd.
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# Assumes the pid has been set.
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kill_statsd() {
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echo "Killing statsd (pid ${pid})"
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adb shell kill -9 "${pid}"
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}
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# Main loop.
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main() {
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start_time=$(date +%s)
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values=()
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stop_loadtest
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echo ""
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echo "********************* NEW LOADTEST ************************"
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update_pid_and_pss
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for replication in 1 2 4 8 16 32 64 128 256 512 1024 2048 4096
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do
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echo "**** Starting test at replication ${replication} ****"
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# (1) Restart statsd. This will ensure its state is empty.
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kill_statsd
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sleep 3 # wait a bit for it to restart
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update_pid_and_pss
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echo "Before the test, statsd's PSS is ${pss}"
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# (2) Set the replication.
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set_replication "${replication}"
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sleep 1 # wait a bit
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# (3) Start the loadtest.
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start_loadtest
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# (4) Wait several seconds, then read the PSS.
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sleep 100 && update_pid_and_pss
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echo "During the test, statsd's PSS is ${pss}"
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values+=(${pss})
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echo "Values: ${values[@]}"
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# (5) Stop loadtest.
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stop_loadtest
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sleep 2
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echo ""
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done
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end_time=$(date +%s)
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echo "Completed loadtest in $((${end_time} - ${start_time})) seconds."
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values_as_str=$(IFS=$'\n'; echo "${values[*]}")
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echo "The PSS values are:"
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echo "${values_as_str}"
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echo ""
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}
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main
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