Fix FlameGraph converter #22

Author: parttimenerd

README.md

@@ -302,6 +302,10 @@ And the following for a new async-profiler release:
 Changelog
 ---------
 
+### Unreleased
+
+- Fix FlameGraph converter [#22](https://github.com/jvm-profiling-tools/ap-loader/issues/22)
+
 ### v8
 
 - Support for [async-profiler 3.0](https://github.com/async-profiler/async-profiler/releases/tag/v3.0)

src/main/java/one/profiler/AsyncProfilerLoader.java

@@ -642,13 +642,15 @@ public static boolean jattach(Path agentPath, String arguments) {
     }
   }
 
-  private static String[] processConverterArgs(String[] args) throws IOException {
+  private static String[] processConverterArgs(String[] args) {
     List<String> argList = new ArrayList<>();
     argList.add(System.getProperty("java.home") + "/bin/java");
     argList.add("-cp");
     argList.add(System.getProperty("java.class.path"));
     List<String> profilerArgs = new ArrayList<>(Arrays.asList(args));
-    if (profilerArgs.size() > 0 && profilerArgs.get(0).startsWith("jfr")) {
+    if (profilerArgs.size() > 0
+        && (profilerArgs.get(0).startsWith("jfr")
+            || profilerArgs.get(0).startsWith("FlameGraph"))) {
       profilerArgs.set(0, "one.converter." + profilerArgs.get(0));
     } else {
       profilerArgs.add("one.converter.Main");