src/hotspot/share/jfr/leakprofiler/stopOperation.hpp
author dholmes
Sat, 23 Jun 2018 01:32:41 -0400
changeset 50735 2f2af62dfac7
parent 50113 caf115bb98ad
child 52877 9e041366c764
permissions -rw-r--r--
8010319: Implementation of JEP 181: Nest-Based Access Control Reviewed-by: alanb, psandoz, mchung, coleenp, acorn, mcimadamore, forax, jlahoda, sspitsyn, abuckley Contributed-by: alex.buckley@oracle.com, maurizio.mimadamore@oracle.com, mandy.chung@oracle.com, tobias.hartmann@oracle.com, david.holmes@oracle.com, vladimir.x.ivanov@oracle.com, karen.kinnear@oracle.com, vladimir.kozlov@oracle.com, john.r.rose@oracle.com, daniel.smith@oracle.com, serguei.spitsyn@oracle.com, kumardotsrinivasan@gmail.com, boris.ulasevich@bell-sw.com
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
50113
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     1
/*
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     2
 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     4
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     7
 * published by the Free Software Foundation.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     8
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    13
 * accompanied this code).
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    14
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    18
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    21
 * questions.
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    22
 *
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    23
 */
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    24
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    25
#ifndef SHARE_VM_LEAKPROFILER_STOPOPERATION_HPP
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    26
#define SHARE_VM_LEAKPROFILER_STOPOPERATION_HPP
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    27
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    28
#include "jfr/leakprofiler/leakProfiler.hpp"
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    29
#include "jfr/leakprofiler/sampling/objectSampler.hpp"
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    30
#include "jfr/recorder/service/jfrOptionSet.hpp"
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    31
#include "logging/log.hpp"
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    32
#include "runtime/vm_operations.hpp"
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    33
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    34
// Safepoint operation for stopping leak profiler object sampler
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    35
class StopOperation : public VM_Operation {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    36
 public:
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    37
  StopOperation() {}
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    38
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    39
  Mode evaluation_mode() const {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    40
    return _safepoint;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    41
  }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    42
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    43
  VMOp_Type type() const {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    44
    return VMOp_GC_HeapInspection;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    45
  }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    46
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    47
  virtual void doit() {
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    48
    assert(LeakProfiler::is_running(), "invariant");
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    49
    ObjectSampler* object_sampler = LeakProfiler::object_sampler();
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    50
    delete object_sampler;
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    51
    LeakProfiler::set_object_sampler(NULL);
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    52
    log_trace(jfr, system)( "Object sampling stopped");
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    53
  }
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    54
};
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    55
caf115bb98ad 8199712: Flight Recorder
egahlin
parents:
diff changeset
    56
#endif // SHARE_VM_LEAKPROFILER_STOPOPERATION_HPP