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Update ExecuteTimer to use ns instead of ms for calculations, output is still in ms

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This commit is contained in:
snowleo 2011-11-18 05:13:38 +01:00
parent ffc1640308
commit 3841648eba
1 changed files with 12 additions and 7 deletions
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19
Essentials/src/com/earth2me/essentials/ExecuteTimer.java
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@ -1,12 +1,17 @@
package com.earth2me.essentials; package com.earth2me.essentials;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import java.util.Locale;
public class ExecuteTimer public class ExecuteTimer
{ {
private final List<ExecuteRecord> times; private final transient List<ExecuteRecord> times;
private final transient DecimalFormat decimalFormat = new DecimalFormat("#0.000", DecimalFormatSymbols.getInstance(Locale.US));
public ExecuteTimer() public ExecuteTimer()
{ {
@ -24,7 +29,7 @@ public class ExecuteTimer
{ {
if (!times.isEmpty() || "start".equals(label)) if (!times.isEmpty() || "start".equals(label))
{ {
times.add(new ExecuteRecord(label, System.currentTimeMillis())); times.add(new ExecuteRecord(label, System.nanoTime()));
} }
} }
@ -36,7 +41,7 @@ public class ExecuteTimer
long time0 = 0; long time0 = 0;
long time1 = 0; long time1 = 0;
long time2 = 0; long time2 = 0;
long duration; double duration;
for (ExecuteRecord pair : times) for (ExecuteRecord pair : times)
{ {
@ -44,8 +49,8 @@ public class ExecuteTimer
time2 = (Long)pair.getTime(); time2 = (Long)pair.getTime();
if (time1 > 0) if (time1 > 0)
{ {
duration = time2 - time1; duration = (time2 - time1)/1000000.0;
output.append(mark).append(": ").append(duration).append("ms - "); output.append(mark).append(": ").append(decimalFormat.format(duration)).append("ms - ");
} }
else else
{ {
@ -53,8 +58,8 @@ public class ExecuteTimer
} }
time1 = time2; time1 = time2;
} }
duration = time1 - time0; duration = (time1 - time0)/1000000.0;
output.append("Total: ").append(duration).append("ms"); output.append("Total: ").append(decimalFormat.format(duration)).append("ms");
times.clear(); times.clear();
return output.toString(); return output.toString();
} }