1 /*
   2  * Copyright (c) 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  *
  23  */
  24 #include "precompiled.hpp"
  25 #include "oops/methodCounters.hpp"
  26 #include "runtime/handles.inline.hpp"
  27 
  28 MethodCounters* MethodCounters::allocate(methodHandle mh, TRAPS) {
  29   ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
  30   return new(loader_data, size(), false, MetaspaceObj::MethodCountersType, THREAD) MethodCounters(mh);
  31 }
  32 
  33 void MethodCounters::clear_counters() {
  34   invocation_counter()->reset();
  35   backedge_counter()->reset();
  36   set_interpreter_throwout_count(0);
  37   set_interpreter_invocation_count(0);
  38   set_nmethod_age(INT_MAX);
  39 #ifdef TIERED
  40   set_prev_time(0);
  41   set_rate(0);
  42   set_highest_comp_level(0);
  43   set_highest_osr_comp_level(0);
  44 #endif
  45 }
  46 
  47 
  48 int MethodCounters::highest_comp_level() const {
  49 #ifdef TIERED
  50   return _highest_comp_level;
  51 #else
  52   return CompLevel_none;
  53 #endif
  54 }
  55 
  56 void MethodCounters::set_highest_comp_level(int level) {
  57 #ifdef TIERED
  58   _highest_comp_level = level;
  59 #endif
  60 }
  61 
  62 int MethodCounters::highest_osr_comp_level() const {
  63 #ifdef TIERED
  64   return _highest_osr_comp_level;
  65 #else
  66   return CompLevel_none;
  67 #endif
  68 }
  69 
  70 void MethodCounters::set_highest_osr_comp_level(int level) {
  71 #ifdef TIERED
  72   _highest_osr_comp_level = level;
  73 #endif
  74 }
  75 
  76 
  77 void MethodCounters::print_value_on(outputStream* st) const {
  78   assert(is_methodCounters(), "must be methodCounters");
  79   st->print("method counters");
  80   print_address_on(st);
  81 }
  82 
  83