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package simpleperf.example.kotlin
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
class SleepActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_sleep)
createRunSleepThread()
}
fun createRunSleepThread() {
object : Thread() {
var counter = 0
var totalRunTimeInNs: Long = 0
var totalSleepTimeInNs: Long = 0
fun RunFunction(): Long {
var startTimeInNs = System.nanoTime()
var i = 0
while (i < 10000000) {
counter = callFunction(counter)
i++
}
return System.nanoTime() - startTimeInNs
}
fun SleepFunction(sleepTimeInNs: Long): Long {
var startTimeInNs = System.nanoTime()
Thread.sleep(sleepTimeInNs / 1000000, (sleepTimeInNs % 1000000).toInt())
return System.nanoTime() - startTimeInNs
}
override fun run() {
while (true) {
totalRunTimeInNs += RunFunction()
if (totalSleepTimeInNs < totalRunTimeInNs) {
totalSleepTimeInNs += SleepFunction(totalRunTimeInNs - totalSleepTimeInNs)
}
}
}
fun callFunction(i: Int): Int {
return i + 1
}
}.start()
}
}
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