1 /*
   2  * Copyright (c) 2006, 2013, 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  *

  33 #ifdef SOLARIS
  34 
  35 class VM_DeoptimizeTheWorld : public VM_Operation {
  36  public:
  37   VMOp_Type type() const {
  38     return VMOp_DeoptimizeTheWorld;
  39   }
  40   void doit() {
  41     CodeCache::mark_all_nmethods_for_deoptimization();
  42     ResourceMark rm;
  43     DeoptimizationMarker dm;
  44     // Deoptimize all activations depending on marked methods
  45     Deoptimization::deoptimize_dependents();
  46 
  47     // Mark the dependent methods non entrant
  48     CodeCache::make_marked_nmethods_not_entrant();
  49   }
  50 };
  51 
  52 static void set_bool_flag(const char* flag, bool value) {
  53   CommandLineFlags::boolAtPut((char*)flag, strlen(flag), &value,
  54                               Flag::ATTACH_ON_DEMAND);
  55 }
  56 
  57 // Enable only the "fine grained" flags. Do *not* touch
  58 // the overall "ExtendedDTraceProbes" flag.
  59 void DTrace::enable_dprobes(int probes) {
  60   bool changed = false;
  61   if (!DTraceAllocProbes && (probes & DTRACE_ALLOC_PROBES)) {
  62     set_bool_flag("DTraceAllocProbes", true);
  63     changed = true;
  64   }
  65   if (!DTraceMethodProbes && (probes & DTRACE_METHOD_PROBES)) {
  66     set_bool_flag("DTraceMethodProbes", true);
  67     changed = true;
  68   }
  69   if (!DTraceMonitorProbes && (probes & DTRACE_MONITOR_PROBES)) {
  70     set_bool_flag("DTraceMonitorProbes", true);
  71     changed = true;
  72   }
  73 
  74   if (changed) {

   1 /*
   2  * Copyright (c) 2006, 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  *

  33 #ifdef SOLARIS
  34 
  35 class VM_DeoptimizeTheWorld : public VM_Operation {
  36  public:
  37   VMOp_Type type() const {
  38     return VMOp_DeoptimizeTheWorld;
  39   }
  40   void doit() {
  41     CodeCache::mark_all_nmethods_for_deoptimization();
  42     ResourceMark rm;
  43     DeoptimizationMarker dm;
  44     // Deoptimize all activations depending on marked methods
  45     Deoptimization::deoptimize_dependents();
  46 
  47     // Mark the dependent methods non entrant
  48     CodeCache::make_marked_nmethods_not_entrant();
  49   }
  50 };
  51 
  52 static void set_bool_flag(const char* flag, bool value) {
  53   JVMFlag::boolAtPut((char*)flag, strlen(flag), &value,
  54                               JVMFlag::ATTACH_ON_DEMAND);
  55 }
  56 
  57 // Enable only the "fine grained" flags. Do *not* touch
  58 // the overall "ExtendedDTraceProbes" flag.
  59 void DTrace::enable_dprobes(int probes) {
  60   bool changed = false;
  61   if (!DTraceAllocProbes && (probes & DTRACE_ALLOC_PROBES)) {
  62     set_bool_flag("DTraceAllocProbes", true);
  63     changed = true;
  64   }
  65   if (!DTraceMethodProbes && (probes & DTRACE_METHOD_PROBES)) {
  66     set_bool_flag("DTraceMethodProbes", true);
  67     changed = true;
  68   }
  69   if (!DTraceMonitorProbes && (probes & DTRACE_MONITOR_PROBES)) {
  70     set_bool_flag("DTraceMonitorProbes", true);
  71     changed = true;
  72   }
  73 
  74   if (changed) {