8292890: Remove PrintTouchedMethodsAtExit and LogTouchedMethods

Reviewed-by: iklam, hseigel

src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp

@@ -1112,7 +1112,7 @@ void TemplateInterpreterGenerator::bang_stack_shadow_pages(bool native_call) {
 // native method than the typical interpreter frame setup.
 address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter  = UseCompiler || CountCompiledCalls;
 
   // r1: Method*
   // rscratch1: sender sp
@@ -1536,7 +1536,7 @@ address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
 //
 address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter  = UseCompiler || CountCompiledCalls;
 
   // rscratch1: sender sp
   address entry_point = __ pc();

src/hotspot/cpu/arm/templateInterpreterGenerator_arm.cpp

@@ -796,7 +796,7 @@ address TemplateInterpreterGenerator::generate_CRC32C_updateBytes_entry(Abstract
 
 address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter  = UseCompiler || CountCompiledCalls;
 
   // Incoming registers:
   //
@@ -1128,7 +1128,7 @@ address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
 //
 address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter  = UseCompiler || CountCompiledCalls;
 
   // Rmethod: Method*
   // Rthread: thread

src/hotspot/cpu/ppc/interp_masm_ppc_64.cpp

@@ -2210,7 +2210,7 @@ void InterpreterMacroAssembler::get_method_counters(Register method,
 void InterpreterMacroAssembler::increment_invocation_counter(Register Rcounters,
                                                              Register iv_be_count,
                                                              Register Rtmp_r0) {
-  assert(UseCompiler || LogTouchedMethods, "incrementing must be useful");
+  assert(UseCompiler, "incrementing must be useful");
   Register invocation_count = iv_be_count;
   Register backedge_count   = Rtmp_r0;
   int delta = InvocationCounter::count_increment;

src/hotspot/cpu/ppc/templateInterpreterGenerator_ppc.cpp

@@ -1190,7 +1190,7 @@ address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
 
   address entry = __ pc();
 
-  const bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  const bool inc_counter = UseCompiler || CountCompiledCalls;
 
   // -----------------------------------------------------------------------------
   // Allocate a new frame that represents the native callee (i2n frame).
@@ -1614,7 +1614,7 @@ address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
 // Generic interpreted method entry to (asm) interpreter.
 //
 address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) {
-  bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter = UseCompiler || CountCompiledCalls;
   address entry = __ pc();
   // Generate the code to allocate the interpreter stack frame.
   Register Rsize_of_parameters = R4_ARG2, // Written by generate_fixed_frame.

src/hotspot/cpu/riscv/templateInterpreterGenerator_riscv.cpp

@@ -932,7 +932,7 @@ void TemplateInterpreterGenerator::bang_stack_shadow_pages(bool native_call) {
 // native method than the typical interpreter frame setup.
 address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter = UseCompiler || CountCompiledCalls;
 
   // x11: Method*
   // x30: sender sp
@@ -1326,7 +1326,7 @@ address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
 address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) {
 
   // determine code generation flags
-  const bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  const bool inc_counter  = UseCompiler || CountCompiledCalls;
 
   // t0: sender sp
   address entry_point = __ pc();

src/hotspot/cpu/s390/interp_masm_s390.cpp

@@ -1920,7 +1920,7 @@ void InterpreterMacroAssembler::get_method_counters(Register Rmethod,
 // Return (invocation_counter+backedge_counter) as "result" in RctrSum.
 // Counter values are all unsigned.
 void InterpreterMacroAssembler::increment_invocation_counter(Register Rcounters, Register RctrSum) {
-  assert(UseCompiler || LogTouchedMethods, "incrementing must be useful");
+  assert(UseCompiler, "incrementing must be useful");
   assert_different_registers(Rcounters, RctrSum);
 
   int increment          = InvocationCounter::count_increment;

src/hotspot/cpu/s390/templateInterpreterGenerator_s390.cpp

@@ -1301,7 +1301,7 @@ address TemplateInterpreterGenerator::generate_math_entry(AbstractInterpreter::M
 // native method than the typical interpreter frame setup.
 address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
   // Determine code generation flags.
-  bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter = UseCompiler || CountCompiledCalls;
 
   // Interpreter entry for ordinary Java methods.
   //
@@ -1658,7 +1658,7 @@ address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
 address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) {
   address entry_point = __ pc();
 
-  bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter = UseCompiler || CountCompiledCalls;
 
   // Interpreter entry for ordinary Java methods.
   //

src/hotspot/cpu/x86/templateInterpreterGenerator_x86.cpp

@@ -790,7 +790,7 @@ void TemplateInterpreterGenerator::bang_stack_shadow_pages(bool native_call) {
 // native method than the typical interpreter frame setup.
 address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter  = UseCompiler || CountCompiledCalls;
 
   // rbx: Method*
   // rbcp: sender sp
@@ -1327,7 +1327,7 @@ address TemplateInterpreterGenerator::generate_abstract_entry(void) {
 //
 address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
+  bool inc_counter  = UseCompiler || CountCompiledCalls;
 
   // ebx: Method*
   // rbcp: sender sp (set in InterpreterMacroAssembler::prepare_to_jump_from_interpreted / generate_call_stub)

src/hotspot/share/ci/ciMethod.cpp

@@ -73,9 +73,6 @@ ciMethod::ciMethod(const methodHandle& h_m, ciInstanceKlass* holder) :
   assert(h_m() != NULL, "no null method");
   assert(_holder->get_instanceKlass() == h_m->method_holder(), "");
 
-  if (LogTouchedMethods) {
-    h_m->log_touched(Thread::current());
-  }
   // These fields are always filled in in loaded methods.
   _flags = ciFlags(h_m->access_flags());
 

src/hotspot/share/oops/method.cpp

@@ -639,10 +639,6 @@ MethodCounters* Method::build_method_counters(Thread* current, Method* m) {
     MetadataFactory::free_metadata(mh->method_holder()->class_loader_data(), counters);
   }
 
-  if (LogTouchedMethods) {
-    mh->log_touched(current);
-  }
-
   return mh->method_counters();
 }
 
@@ -2445,85 +2441,6 @@ void Method::print_value_on(outputStream* st) const {
   if (WizardMode && code() != NULL) st->print(" ((nmethod*)%p)", code());
 }
 
-// LogTouchedMethods and PrintTouchedMethods
-
-// TouchedMethodRecord -- we can't use a HashtableEntry<Method*> because
-// the Method may be garbage collected. Let's roll our own hash table.
-class TouchedMethodRecord : CHeapObj<mtTracing> {
-public:
-  // It's OK to store Symbols here because they will NOT be GC'ed if
-  // LogTouchedMethods is enabled.
-  TouchedMethodRecord* _next;
-  Symbol* _class_name;
-  Symbol* _method_name;
-  Symbol* _method_signature;
-};
-
-static const int TOUCHED_METHOD_TABLE_SIZE = 20011;
-static TouchedMethodRecord** _touched_method_table = NULL;
-
-void Method::log_touched(Thread* current) {
-
-  const int table_size = TOUCHED_METHOD_TABLE_SIZE;
-  Symbol* my_class = klass_name();
-  Symbol* my_name  = name();
-  Symbol* my_sig   = signature();
-
-  unsigned int hash = my_class->identity_hash() +
-                      my_name->identity_hash() +
-                      my_sig->identity_hash();
-  juint index = juint(hash) % table_size;
-
-  MutexLocker ml(current, TouchedMethodLog_lock);
-  if (_touched_method_table == NULL) {
-    _touched_method_table = NEW_C_HEAP_ARRAY2(TouchedMethodRecord*, table_size,
-                                              mtTracing, CURRENT_PC);
-    memset(_touched_method_table, 0, sizeof(TouchedMethodRecord*)*table_size);
-  }
-
-  TouchedMethodRecord* ptr = _touched_method_table[index];
-  while (ptr) {
-    if (ptr->_class_name       == my_class &&
-        ptr->_method_name      == my_name &&
-        ptr->_method_signature == my_sig) {
-      return;
-    }
-    if (ptr->_next == NULL) break;
-    ptr = ptr->_next;
-  }
-  TouchedMethodRecord* nptr = NEW_C_HEAP_OBJ(TouchedMethodRecord, mtTracing);
-  my_class->increment_refcount();
-  my_name->increment_refcount();
-  my_sig->increment_refcount();
-  nptr->_class_name         = my_class;
-  nptr->_method_name        = my_name;
-  nptr->_method_signature   = my_sig;
-  nptr->_next               = NULL;
-
-  if (ptr == NULL) {
-    // first
-    _touched_method_table[index] = nptr;
-  } else {
-    ptr->_next = nptr;
-  }
-}
-
-void Method::print_touched_methods(outputStream* out) {
-  MutexLocker ml(Thread::current()->is_VM_thread() ? NULL : TouchedMethodLog_lock);
-  out->print_cr("# Method::print_touched_methods version 1");
-  if (_touched_method_table) {
-    for (int i = 0; i < TOUCHED_METHOD_TABLE_SIZE; i++) {
-      TouchedMethodRecord* ptr = _touched_method_table[i];
-      while(ptr) {
-        ptr->_class_name->print_symbol_on(out);       out->print(".");
-        ptr->_method_name->print_symbol_on(out);      out->print(":");
-        ptr->_method_signature->print_symbol_on(out); out->cr();
-        ptr = ptr->_next;
-      }
-    }
-  }
-}
-
 // Verification
 
 void Method::verify_on(outputStream* st) {

src/hotspot/share/runtime/arguments.cpp

@@ -4147,11 +4147,6 @@ jint Arguments::apply_ergo() {
 #ifdef ZERO
   // Clear flags not supported on zero.
   FLAG_SET_DEFAULT(ProfileInterpreter, false);
-
-  if (LogTouchedMethods) {
-    warning("LogTouchedMethods is not supported for Zero");
-    FLAG_SET_DEFAULT(LogTouchedMethods, false);
-  }
 #endif // ZERO
 
   if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) {

src/hotspot/share/runtime/globals.hpp

@@ -977,12 +977,6 @@ const int ObjectAlignmentInBytes = 8;
   product(bool, UsePopCountInstruction, false,                              \
           "Use population count instruction")                               \
                                                                             \
-  product(bool, LogTouchedMethods, false, DIAGNOSTIC,                       \
-          "Log methods which have been ever touched in runtime")            \
-                                                                            \
-  product(bool, PrintTouchedMethodsAtExit, false, DIAGNOSTIC,               \
-          "Print all methods that have been ever touched in runtime")       \
-                                                                            \
   develop(bool, TraceMethodReplacement, false,                              \
           "Print when methods are replaced do to recompilation")            \
                                                                             \

src/hotspot/share/runtime/java.cpp

@@ -320,10 +320,6 @@ void print_statistics() {
     ClassLoaderDataGraph::print();
   }
 
-  if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
-    Method::print_touched_methods(tty);
-  }
-
   // Native memory tracking data
   if (PrintNMTStatistics) {
     MemTracker::final_report(tty);
@@ -381,10 +377,6 @@ void print_statistics() {
     MetaspaceUtils::print_basic_report(tty, 0);
   }
 
-  if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
-    Method::print_touched_methods(tty);
-  }
-
   ThreadsSMRSupport::log_statistics();
 }
 

src/hotspot/share/runtime/vmOperation.hpp

@@ -96,7 +96,6 @@
   template(ClassLoaderStatsOperation)             \
   template(ClassLoaderHierarchyOperation)         \
   template(DumpHashtable)                         \
-  template(DumpTouchedMethods)                    \
   template(CleanClassLoaderDataMetaspaces)        \
   template(PrintCompileQueue)                     \
   template(PrintClassHierarchy)                   \

src/hotspot/share/services/diagnosticCommand.cpp

@@ -126,7 +126,6 @@ void DCmdRegistrant::register_dcmds(){
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PerfMapDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TrimCLibcHeapDCmd>(full_export, true, false));
 #endif // LINUX
-  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TouchedMethodsDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeHeapAnalyticsDCmd>(full_export, true, false));
 
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesPrintDCmd>(full_export, true, false));
@@ -933,30 +932,6 @@ void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) {
 }
 #endif
 
-class VM_DumpTouchedMethods : public VM_Operation {
-private:
-  outputStream* _out;
-public:
-  VM_DumpTouchedMethods(outputStream* out) {
-    _out = out;
-  }
-
-  virtual VMOp_Type type() const { return VMOp_DumpTouchedMethods; }
-
-  virtual void doit() {
-    Method::print_touched_methods(_out);
-  }
-};
-
-void TouchedMethodsDCmd::execute(DCmdSource source, TRAPS) {
-  if (!LogTouchedMethods) {
-    output()->print_cr("VM.print_touched_methods command requires -XX:+LogTouchedMethods");
-    return;
-  }
-  VM_DumpTouchedMethods dumper(output());
-  VMThread::execute(&dumper);
-}
-
 ClassesDCmd::ClassesDCmd(outputStream* output, bool heap) :
                                      DCmdWithParser(output, heap),
   _verbose("-verbose",

src/hotspot/share/services/diagnosticCommand.hpp

@@ -386,21 +386,6 @@ public:
   virtual void execute(DCmdSource source, TRAPS);
 };
 
-class TouchedMethodsDCmd : public DCmd {
-public:
-  TouchedMethodsDCmd(outputStream* output, bool heap) : DCmd(output, heap) {}
-  static const char* name() {
-    return "VM.print_touched_methods";
-  }
-  static const char* description() {
-    return "Print all methods that have ever been touched during the lifetime of this JVM.";
-  }
-  static const char* impact() {
-    return "Medium: Depends on Java content.";
-  }
-  virtual void execute(DCmdSource source, TRAPS);
-};
-
 #if INCLUDE_CDS
 class DumpSharedArchiveDCmd: public DCmdWithParser {
 protected:

test/hotspot/jtreg/runtime/CommandLine/PrintTouchedMethods.java

@@ -1,126 +0,0 @@
-/*
- * Copyright (c) 2015, 2021, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test
- * @bug 8025692 8273333
- * @requires vm.flavor != "zero"
- * @modules java.base/jdk.internal.misc
- *          java.management
- * @library /test/lib
- * @run driver PrintTouchedMethods
- */
-
-import java.io.File;
-import java.util.List;
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.JDKToolFinder;
-
-public class PrintTouchedMethods {
-
-    public static void main(String args[]) throws Exception {
-      ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-          "-XX:-UnlockDiagnosticVMOptions",
-          "-XX:+LogTouchedMethods",
-          "-XX:+PrintTouchedMethodsAtExit",
-          TestLogTouchedMethods.class.getName());
-
-      // UnlockDiagnostic turned off, should fail
-      OutputAnalyzer output = new OutputAnalyzer(pb.start());
-      output.shouldNotHaveExitValue(0);
-      output.shouldContain("Error: VM option 'LogTouchedMethods' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.");
-      output.shouldContain("Error: Could not create the Java Virtual Machine.");
-
-      pb = ProcessTools.createJavaProcessBuilder(
-          "-XX:+UnlockDiagnosticVMOptions",
-          "-XX:+LogTouchedMethods",
-          "-XX:+PrintTouchedMethodsAtExit",
-          TestLogTouchedMethods.class.getName());
-      output = new OutputAnalyzer(pb.start());
-      // check order:
-      // 1 "# Method::print_touched_methods version 1" is the first in first line
-      // 2 should contain TestLogMethods.methodA:()V
-      // 3 should not contain TestLogMethods.methodB:()V
-      // Repeat above for another run with -Xint
-      List<String> lines = output.asLines();
-
-      if (lines.size() < 1) {
-        throw new Exception("Empty output");
-      }
-
-      String first = lines.get(0);
-      if (!first.equals("# Method::print_touched_methods version 1")) {
-        throw new Exception("First line mismatch");
-      }
-
-      output.shouldContain("TestLogTouchedMethods.methodA:()V");
-      output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
-      output.shouldHaveExitValue(0);
-
-      pb = ProcessTools.createJavaProcessBuilder(
-          "-XX:+UnlockDiagnosticVMOptions",
-          "-Xint",
-          "-XX:+LogTouchedMethods",
-          "-XX:+PrintTouchedMethodsAtExit",
-          TestLogTouchedMethods.class.getName());
-      output = new OutputAnalyzer(pb.start());
-      lines = output.asLines();
-
-      if (lines.size() < 1) {
-        throw new Exception("Empty output");
-      }
-
-      first = lines.get(0);
-      if (!first.equals("# Method::print_touched_methods version 1")) {
-        throw new Exception("First line mismatch");
-      }
-
-      output.shouldContain("TestLogTouchedMethods.methodA:()V");
-      output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
-      output.shouldHaveExitValue(0);
-
-      pb = ProcessTools.createJavaProcessBuilder(
-          "-XX:+UnlockDiagnosticVMOptions",
-          "-Xint",
-          "-XX:+LogTouchedMethods",
-          "-XX:+PrintTouchedMethodsAtExit",
-          "-XX:-TieredCompilation",
-          TestLogTouchedMethods.class.getName());
-      output = new OutputAnalyzer(pb.start());
-      lines = output.asLines();
-
-      if (lines.size() < 1) {
-        throw new Exception("Empty output");
-      }
-
-      first = lines.get(0);
-      if (!first.equals("# Method::print_touched_methods version 1")) {
-        throw new Exception("First line mismatch");
-      }
-
-      output.shouldContain("TestLogTouchedMethods.methodA:()V");
-      output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
-      output.shouldHaveExitValue(0);
-    }
-}

test/hotspot/jtreg/runtime/CommandLine/PrintTouchedMethodsJcmd.java

@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 2015, 2021, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test
- * @bug 8025692
- * @summary Test jcmd PrintTouchedMethods VM.print_touched_methods
- * @modules java.base/jdk.internal.misc
- *          java.management
- * @library /test/lib
- * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+LogTouchedMethods PrintTouchedMethodsJcmd
- */
-
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.JDKToolFinder;
-
-public class PrintTouchedMethodsJcmd {
-
-    public static void main(String args[]) throws Exception {
-      var pid = Long.toString(ProcessHandle.current().pid());
-      var pb = new ProcessBuilder();
-      pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.print_touched_methods"});
-      var output = new OutputAnalyzer(pb.start());
-      output.shouldContain("PrintTouchedMethodsJcmd.main:([Ljava/lang/String;)V");
-    }
-}

test/hotspot/jtreg/runtime/CommandLine/TestLogTouchedMethods.java

@@ -1,32 +0,0 @@
-/*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/* used by PrintTouchedMethods.java */
-public class TestLogTouchedMethods {
-  public static void main(String[] args) {
-    new TestLogTouchedMethods().methodA();
-  }
-
-  public void methodA() {} // called
-  public void methodB() {} // this should not be called
-}