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authorLuck <git@lucko.me>2018-12-19 14:07:01 +0000
committerLuck <git@lucko.me>2018-12-19 14:07:01 +0000
commit66a8afab99efb7ac7669961eb2e67e2244d494e5 (patch)
tree7930ab1768da5df81799995472292d73d6ce2647 /spark-common/src/main/java/me/lucko/spark/sampler
parentdb6ac9b36ae0242c53dc1452ac8fbc6cd7b748c2 (diff)
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Count current tick using an int instead of LongAdder
Assuming 20tps, there's enough space in an int to store a tick count spanning a number of years :)
Diffstat (limited to 'spark-common/src/main/java/me/lucko/spark/sampler')
-rw-r--r--spark-common/src/main/java/me/lucko/spark/sampler/TickCounter.java2
-rw-r--r--spark-common/src/main/java/me/lucko/spark/sampler/aggregator/TickedDataAggregator.java4
2 files changed, 3 insertions, 3 deletions
diff --git a/spark-common/src/main/java/me/lucko/spark/sampler/TickCounter.java b/spark-common/src/main/java/me/lucko/spark/sampler/TickCounter.java
index d6b754b..059e420 100644
--- a/spark-common/src/main/java/me/lucko/spark/sampler/TickCounter.java
+++ b/spark-common/src/main/java/me/lucko/spark/sampler/TickCounter.java
@@ -41,7 +41,7 @@ public interface TickCounter extends AutoCloseable {
*
* @return the current tick
*/
- long getCurrentTick();
+ int getCurrentTick();
/**
* Adds a task to be called each time the tick increments
diff --git a/spark-common/src/main/java/me/lucko/spark/sampler/aggregator/TickedDataAggregator.java b/spark-common/src/main/java/me/lucko/spark/sampler/aggregator/TickedDataAggregator.java
index dc241a9..2c68b02 100644
--- a/spark-common/src/main/java/me/lucko/spark/sampler/aggregator/TickedDataAggregator.java
+++ b/spark-common/src/main/java/me/lucko/spark/sampler/aggregator/TickedDataAggregator.java
@@ -65,7 +65,7 @@ public class TickedDataAggregator implements DataAggregator {
private final Object mutex = new Object();
// state
- private long currentTick = -1;
+ private int currentTick = -1;
private TickList currentData = new TickList(0);
public TickedDataAggregator(ExecutorService workerPool, TickCounter tickCounter, ThreadGrouper threadGrouper, int interval, boolean includeLineNumbers, int tickLengthThreshold) {
@@ -82,7 +82,7 @@ public class TickedDataAggregator implements DataAggregator {
@Override
public void insertData(String threadName, StackTraceElement[] stack) {
synchronized (this.mutex) {
- long tick = this.tickCounter.getCurrentTick();
+ int tick = this.tickCounter.getCurrentTick();
if (this.currentTick != tick) {
pushCurrentTick();
this.currentTick = tick;