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performance tests: print free/total memory and get thread names eagerly

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peter
2017-03-02 09:15:09 +01:00
parent 82329aa8e0
commit ba55fda898
1 changed files with 25 additions and 19 deletions
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platform/testFramework/src/com/intellij/testFramework/CpuUsageData.java
+25 -19
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@@ -34,32 +34,32 @@ class CpuUsageData {
private static final List<GarbageCollectorMXBean> ourGcBeans = ManagementFactory.getGarbageCollectorMXBeans();
final long durationMs;
private final TObjectLongHashMap<GarbageCollectorMXBean> myGcTimes;
private final TLongLongHashMap myThreadTimes;
private final long myFreeMb;
private final long myTotalMb;
private final List<Pair<Long, String>> myGcTimes = new ArrayList<>();
private final List<Pair<Long, String>> myThreadTimes = new ArrayList<>();
private CpuUsageData(long durationMs, TObjectLongHashMap<GarbageCollectorMXBean> gcTimes, TLongLongHashMap threadTimes) {
private CpuUsageData(long durationMs, TObjectLongHashMap<GarbageCollectorMXBean> gcTimes, TLongLongHashMap threadTimes, long freeMb, long totalMb) {
this.durationMs = durationMs;
myGcTimes = gcTimes;
myThreadTimes = threadTimes;
myFreeMb = freeMb;
myTotalMb = totalMb;
gcTimes.forEachEntry((bean, gcTime) -> {
myGcTimes.add(Pair.create(gcTime, bean.getName()));
return true;
});
threadTimes.forEachEntry((id, time) -> {
ThreadInfo info = ourThreadMXBean.getThreadInfo(id);
myThreadTimes.add(Pair.create(toMillis(time), info == null ? "<unknown>" : info.getThreadName()));
return true;
});
}
String getGcStats() {
List<Pair<Long, String>> times = new ArrayList<>();
myGcTimes.forEachEntry((bean, time) -> {
times.add(Pair.create(time, bean.getName()));
return true;
});
return printLongestNames(times);
return printLongestNames(myGcTimes) + "; free " + myFreeMb + " of " + myTotalMb + "MB";
}
String getThreadStats() {
List<Pair<Long, String>> times = new ArrayList<>();
myThreadTimes.forEachEntry((id, time) -> {
ThreadInfo info = ourThreadMXBean.getThreadInfo(id);
times.add(Pair.create(toMillis(time), info == null ? "<unknown>" : info.getThreadName()));
return true;
});
return printLongestNames(times);
return printLongestNames(myThreadTimes);
}
@NotNull
@@ -77,6 +77,9 @@ class CpuUsageData {
}
static <E extends Throwable> CpuUsageData measureCpuUsage(ThrowableRunnable<E> runnable) throws E {
long free = toMb(Runtime.getRuntime().freeMemory());
long total = toMb(Runtime.getRuntime().totalMemory());
TObjectLongHashMap<GarbageCollectorMXBean> gcTimes = new TObjectLongHashMap<>();
for (GarbageCollectorMXBean bean : ourGcBeans) {
gcTimes.put(bean, bean.getCollectionTime());
@@ -99,7 +102,10 @@ class CpuUsageData {
gcTimes.put(bean, bean.getCollectionTime() - gcTimes.get(bean));
}
return new CpuUsageData(duration, gcTimes, threadTimes);
return new CpuUsageData(duration, gcTimes, threadTimes, free, total);
}
private static long toMb(long bytes) {
return bytes / 1024 / 1024;
}
}