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-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/sampler/BackgroundSamplerManager.java39
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadDumper.java18
-rw-r--r--spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadGrouper.java60
3 files changed, 66 insertions, 51 deletions
diff --git a/spark-common/src/main/java/me/lucko/spark/common/sampler/BackgroundSamplerManager.java b/spark-common/src/main/java/me/lucko/spark/common/sampler/BackgroundSamplerManager.java
index ff1b3ac..4e9ca9e 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/sampler/BackgroundSamplerManager.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/sampler/BackgroundSamplerManager.java
@@ -24,10 +24,7 @@ import me.lucko.spark.common.SparkPlatform;
import me.lucko.spark.common.platform.PlatformInfo;
import me.lucko.spark.common.util.Configuration;
-import java.util.Arrays;
-import java.util.Set;
import java.util.logging.Level;
-import java.util.stream.Collectors;
public class BackgroundSamplerManager {
@@ -105,42 +102,20 @@ public class BackgroundSamplerManager {
private void startSampler() {
boolean forceJavaEngine = this.configuration.getString(OPTION_ENGINE, "async").equals("java");
- String grouperName = this.configuration.getString(OPTION_THREAD_GROUPER, "byPool");
- String dumperName = this.configuration.getString(OPTION_THREAD_DUMPER, "default");
-
- ThreadGrouper threadGrouper;
- switch (grouperName) {
- case "asOne":
- threadGrouper = ThreadGrouper.AS_ONE;
- break;
- case "byName":
- threadGrouper = ThreadGrouper.BY_NAME;
- break;
- default:
- threadGrouper = ThreadGrouper.BY_POOL;
- break;
- }
- ThreadDumper threadDumper;
- switch (dumperName) {
- case "default":
- threadDumper = this.platform.getPlugin().getDefaultThreadDumper();
- break;
- case "*":
- case "all":
- threadDumper = ThreadDumper.ALL;
- break;
- default:
- Set<String> threadNames = Arrays.stream(dumperName.split(",")).collect(Collectors.toSet());
- threadDumper = new ThreadDumper.Specific(threadNames);
- break;
+ ThreadGrouper threadGrouper = ThreadGrouper.parseConfigSetting(this.configuration.getString(OPTION_THREAD_GROUPER, "by-pool"));
+ ThreadDumper threadDumper = ThreadDumper.parseConfigSetting(this.configuration.getString(OPTION_THREAD_DUMPER, "default"));
+ if (threadDumper == null) {
+ threadDumper = this.platform.getPlugin().getDefaultThreadDumper();
}
+ int interval = this.configuration.getInteger(OPTION_INTERVAL, 10);
+
Sampler sampler = new SamplerBuilder()
.background(true)
.threadDumper(threadDumper)
.threadGrouper(threadGrouper)
- .samplingInterval(this.configuration.getInteger(OPTION_INTERVAL, 10))
+ .samplingInterval(interval)
.forceJavaSampler(forceJavaEngine)
.start(this.platform);
diff --git a/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadDumper.java b/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadDumper.java
index fd0c413..62e2dda 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadDumper.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadDumper.java
@@ -55,6 +55,24 @@ public interface ThreadDumper {
SamplerMetadata.ThreadDumper getMetadata();
/**
+ * Creates a new {@link ThreadDumper} by parsing the given config setting.
+ *
+ * @param setting the config setting
+ * @return the thread dumper
+ */
+ static ThreadDumper parseConfigSetting(String setting) {
+ switch (setting) {
+ case "default":
+ return null;
+ case "all":
+ return ALL;
+ default:
+ Set<String> threadNames = Arrays.stream(setting.split(",")).collect(Collectors.toSet());
+ return new ThreadDumper.Specific(threadNames);
+ }
+ }
+
+ /**
* Implementation of {@link ThreadDumper} that generates data for all threads.
*/
ThreadDumper ALL = new ThreadDumper() {
diff --git a/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadGrouper.java b/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadGrouper.java
index 9ad84df..b6cfbea 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadGrouper.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/sampler/ThreadGrouper.java
@@ -35,6 +35,47 @@ import java.util.regex.Pattern;
public interface ThreadGrouper {
/**
+ * Gets the group for the given thread.
+ *
+ * @param threadId the id of the thread
+ * @param threadName the name of the thread
+ * @return the group
+ */
+ String getGroup(long threadId, String threadName);
+
+ /**
+ * Gets the label to use for a given group.
+ *
+ * @param group the group
+ * @return the label
+ */
+ String getLabel(String group);
+
+ /**
+ * Gets the metadata enum instance for this thread grouper.
+ *
+ * @return proto metadata
+ */
+ SamplerMetadata.DataAggregator.ThreadGrouper asProto();
+
+ /**
+ * Creates a new {@link ThreadGrouper} by parsing the given config setting.
+ *
+ * @param setting the config setting
+ * @return the thread grouper
+ */
+ static ThreadGrouper parseConfigSetting(String setting) {
+ switch (setting) {
+ case "as-one":
+ return AS_ONE;
+ case "by-name":
+ return BY_NAME;
+ default:
+ return BY_POOL;
+ }
+ }
+
+ /**
* Implementation of {@link ThreadGrouper} that just groups by thread name.
*/
ThreadGrouper BY_NAME = new ThreadGrouper() {
@@ -126,23 +167,4 @@ public interface ThreadGrouper {
}
};
- /**
- * Gets the group for the given thread.
- *
- * @param threadId the id of the thread
- * @param threadName the name of the thread
- * @return the group
- */
- String getGroup(long threadId, String threadName);
-
- /**
- * Gets the label to use for a given group.
- *
- * @param group the group
- * @return the label
- */
- String getLabel(String group);
-
- SamplerMetadata.DataAggregator.ThreadGrouper asProto();
-
}