1 /*
   2  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *

2619     status = false;
2620   }
2621 
2622   status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction");
2623   status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity");
2624 
2625   if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) {
2626     warning("The VM option CICompilerCountPerCPU overrides CICompilerCount.");
2627   }
2628 
2629 #ifdef COMPILER1
2630   status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset");
2631 #endif
2632 
2633   int min_number_of_compiler_threads = get_min_number_of_compiler_threads();
2634   // The default CICompilerCount's value is CI_COMPILER_COUNT.
2635   assert(min_number_of_compiler_threads <= CI_COMPILER_COUNT, "minimum should be less or equal default number");
2636   // Check the minimum number of compiler threads
2637   status &=verify_min_value(CICompilerCount, min_number_of_compiler_threads, "CICompilerCount");
2638 






2639   return status;
2640 }
2641 
2642 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore,
2643   const char* option_type) {
2644   if (ignore) return false;
2645 
2646   const char* spacer = " ";
2647   if (option_type == NULL) {
2648     option_type = ++spacer; // Set both to the empty string.
2649   }
2650 
2651   if (os::obsolete_option(option)) {
2652     jio_fprintf(defaultStream::error_stream(),
2653                 "Obsolete %s%soption: %s\n", option_type, spacer,
2654       option->optionString);
2655     return false;
2656   } else {
2657     jio_fprintf(defaultStream::error_stream(),
2658                 "Unrecognized %s%soption: %s\n", option_type, spacer,

   1 /*
   2  * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *

2619     status = false;
2620   }
2621 
2622   status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction");
2623   status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity");
2624 
2625   if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) {
2626     warning("The VM option CICompilerCountPerCPU overrides CICompilerCount.");
2627   }
2628 
2629 #ifdef COMPILER1
2630   status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset");
2631 #endif
2632 
2633   int min_number_of_compiler_threads = get_min_number_of_compiler_threads();
2634   // The default CICompilerCount's value is CI_COMPILER_COUNT.
2635   assert(min_number_of_compiler_threads <= CI_COMPILER_COUNT, "minimum should be less or equal default number");
2636   // Check the minimum number of compiler threads
2637   status &=verify_min_value(CICompilerCount, min_number_of_compiler_threads, "CICompilerCount");
2638 
2639   if ((FlightRecorder || StartFlightRecording != NULL) && !EnableJFR) {
2640     jio_fprintf(defaultStream::error_stream(),
2641                 "The VM option -XX:+FlightRecorder or -XX:StartFlightRecording=... must be combined with -XX:+EnableJFR.\n");
2642     status = false;
2643   }
2644 
2645   return status;
2646 }
2647 
2648 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore,
2649   const char* option_type) {
2650   if (ignore) return false;
2651 
2652   const char* spacer = " ";
2653   if (option_type == NULL) {
2654     option_type = ++spacer; // Set both to the empty string.
2655   }
2656 
2657   if (os::obsolete_option(option)) {
2658     jio_fprintf(defaultStream::error_stream(),
2659                 "Obsolete %s%soption: %s\n", option_type, spacer,
2660       option->optionString);
2661     return false;
2662   } else {
2663     jio_fprintf(defaultStream::error_stream(),
2664                 "Unrecognized %s%soption: %s\n", option_type, spacer,