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src/hotspot/share/runtime/perfData.cpp

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  1 /*
  2  * Copyright (c) 2001, 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  *

 68   "com.sun.rt",
 69   "sun.rt",
 70   "java.os",                // Operating System name spaces
 71   "com.sun.os",
 72   "sun.os",
 73   "java.threads",           // Threads System name spaces
 74   "com.sun.threads",
 75   "sun.threads",
 76   "java.property",          // Java Property name spaces
 77   "com.sun.property",
 78   "sun.property",
 79   "",
 80 };
 81 
 82 PerfData::PerfData(CounterNS ns, const char* name, Units u, Variability v)
 83                   : _name(NULL), _v(v), _u(u), _on_c_heap(false), _valuep(NULL) {
 84 
 85   const char* prefix = PerfDataManager::ns_to_string(ns);
 86 
 87   _name = NEW_C_HEAP_ARRAY(char, strlen(name) + strlen(prefix) + 2, mtInternal);
 88   assert(_name != NULL && strlen(name) != 0, "invalid name");
 89 
 90   if (ns == NULL_NS) {
 91      // No prefix is added to counters with the NULL_NS namespace.
 92      strcpy(_name, name);
 93      // set the F_Supported flag based on the counter name prefix.
 94      if (PerfDataManager::is_stable_supported(_name) ||
 95          PerfDataManager::is_unstable_supported(_name)) {
 96        _flags = F_Supported;
 97      }
 98      else {
 99        _flags = F_None;
100      }
101   }
102   else {
103     sprintf(_name, "%s.%s", prefix, name);
104     // set the F_Supported flag based on the given namespace.
105     if (PerfDataManager::is_stable_supported(ns) ||
106         PerfDataManager::is_unstable_supported(ns)) {
107       _flags = F_Supported;
108     }

  1 /*
  2  * Copyright (c) 2001, 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  *

 68   "com.sun.rt",
 69   "sun.rt",
 70   "java.os",                // Operating System name spaces
 71   "com.sun.os",
 72   "sun.os",
 73   "java.threads",           // Threads System name spaces
 74   "com.sun.threads",
 75   "sun.threads",
 76   "java.property",          // Java Property name spaces
 77   "com.sun.property",
 78   "sun.property",
 79   "",
 80 };
 81 
 82 PerfData::PerfData(CounterNS ns, const char* name, Units u, Variability v)
 83                   : _name(NULL), _v(v), _u(u), _on_c_heap(false), _valuep(NULL) {
 84 
 85   const char* prefix = PerfDataManager::ns_to_string(ns);
 86 
 87   _name = NEW_C_HEAP_ARRAY(char, strlen(name) + strlen(prefix) + 2, mtInternal);
 88   assert(strlen(name) != 0, "invalid name");
 89 
 90   if (ns == NULL_NS) {
 91      // No prefix is added to counters with the NULL_NS namespace.
 92      strcpy(_name, name);
 93      // set the F_Supported flag based on the counter name prefix.
 94      if (PerfDataManager::is_stable_supported(_name) ||
 95          PerfDataManager::is_unstable_supported(_name)) {
 96        _flags = F_Supported;
 97      }
 98      else {
 99        _flags = F_None;
100      }
101   }
102   else {
103     sprintf(_name, "%s.%s", prefix, name);
104     // set the F_Supported flag based on the given namespace.
105     if (PerfDataManager::is_stable_supported(ns) ||
106         PerfDataManager::is_unstable_supported(ns)) {
107       _flags = F_Supported;
108     }
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