1 /*
   2  * Copyright (c) 2012, 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  *
  23  */
  24 
  25 #ifndef SHARE_VM_JFR_RECORDER_JFREVENTSETTING_HPP
  26 #define SHARE_VM_JFR_RECORDER_JFREVENTSETTING_HPP
  27 
  28 #include "jni.h"
  29 #include "jfr/utilities/jfrAllocation.hpp"
  30 #include "jfrfiles/jfrEventControl.hpp"
  31 
  32 //
  33 // Native event settings as an associative array using the event id as key.
  34 //
  35 class JfrEventSetting : AllStatic {
  36  private:
  37   static JfrNativeSettings _jvm_event_settings;
  38   static jfrNativeEventSetting& setting(JfrEventId event_id);
  39 
  40  public:
  41   static void set_enabled(jlong event_id, bool enabled);
  42   static bool is_enabled(JfrEventId event_id);
  43   static void set_stacktrace(jlong event_id, bool enabled);
  44   static bool has_stacktrace(JfrEventId event_id);
  45   static bool set_threshold(jlong event_id, jlong threshold_ticks);
  46   static jlong threshold(JfrEventId event_id);
  47   static bool set_cutoff(jlong event_id, jlong cutoff_ticks);
  48   static jlong cutoff(JfrEventId event_id);
  49   DEBUG_ONLY(static bool bounds_check_event(jlong id);)
  50 };
  51 
  52 #endif //  SHARE_VM_JFR_RECORDER_JFREVENTSETTING_HPP