import sun.jvm.hotspot.runtime.CompilerThread; //导入依赖的package包/类
public void doit(Tokens t) {
    if (t.countTokens() != 1) {
        usage();
    } else {
        String name = t.nextToken();
        boolean all = name.equals("-a");
        Threads threads = VM.getVM().getThreads();
        for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            thread.printThreadIDOn(new PrintStream(bos));
            if (all || bos.toString().equals(name)) {
              if (thread instanceof CompilerThread) {
                CompilerThread ct = (CompilerThread)thread;
                out.println(ct);
                ciEnv env = ct.env();
                if (env != null) {
                  Compile c = env.compilerData();
                  c.cfg().dump(out);
                }
              }
            }
        }
    }
}
 

import sun.jvm.hotspot.runtime.CompilerThread; //导入依赖的package包/类
public void doit(Tokens t) {
    if (t.countTokens() != 1) {
        usage();
    } else {
        String name = t.nextToken();
        boolean all = name.equals("-a");
        Threads threads = VM.getVM().getThreads();
        for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            thread.printThreadIDOn(new PrintStream(bos));
            if (all || bos.toString().equals(name)) {
              if (thread instanceof CompilerThread) {
                CompilerThread ct = (CompilerThread)thread;
                out.println(ct);
                ciEnv env = ct.env();
                if (env != null) {
                  Compile c = env.compilerData();
                  c.root().dump(9999, out);
                } else {
                  out.println("  not compiling");
                }
              }
            }
        }
    }
}