testing/async-profiler: new aport

https://github.com/jvm-profiling-tools/async-profiler
Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

Closes GH-4435

1 files changed, 32 insertions, 0 deletions

diff --git a/testing/async-profiler/thread-smoke-test_should_do_some_real_work.patch b/testing/async-profiler/thread-smoke-test_should_do_some_real_work.patch
new file mode 100644
index 0000000000..3f0e4e83aa
--- /dev/null
+++ b/testing/async-profiler/thread-smoke-test_should_do_some_real_work.patch
@@ -0,0 +1,32 @@
+diff --git a/test/ThreadsTarget.java b/test/ThreadsTarget.java
+index cc6289c..89b2ba9 100644
+--- a/test/ThreadsTarget.java
++++ b/test/ThreadsTarget.java
+@@ -1,3 +1,5 @@
++import java.math.BigInteger;
++
+ public class ThreadsTarget {
+     public static void main(String[] args) {
+         new Thread(new Runnable() {
+@@ -17,17 +19,17 @@ public class ThreadsTarget {
+ 
+     static void methodForThreadEarlyEnd() {
+         long now = System.currentTimeMillis();
+-        long counter = 0;
++        BigInteger counter = BigInteger.ZERO;
+         while (System.currentTimeMillis() - now < 300) {
+-            counter++;
++            counter = counter.nextProbablePrime();
+         }
+     }
+ 
+     static void methodForRenamedThread() {
+         long now = System.currentTimeMillis();
+-        long counter = 0;
++        BigInteger counter = BigInteger.ZERO;
+         while (System.currentTimeMillis() - now < 1000) {
+-            counter++;
++            counter = counter.nextProbablePrime();
+         }
+     }
+ }