src/share/vm/gc_implementation/g1/g1HeapRegionEventSender.cpp

Mon, 12 Aug 2019 18:30:40 +0300

author
apetushkov
date
Mon, 12 Aug 2019 18:30:40 +0300
changeset 9858
b985cbb00e68
permissions
-rw-r--r--

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

     1 /*
     2  * Copyright (c) 2016, 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  */
    25 #include "precompiled.hpp"
    26 #include "gc_implementation/g1/g1CollectedHeap.hpp"
    27 #include "gc_implementation/g1/heapRegion.hpp"
    28 #include "g1HeapRegionEventSender.hpp"
    29 #include "jfr/jfrEvents.hpp"
    31 class DumpEventInfoClosure : public HeapRegionClosure {
    32 public:
    33   bool doHeapRegion(HeapRegion* r) {
    34     EventG1HeapRegionInformation evt;
    35     evt.set_index(r->hrm_index());
    36     // XXX TODO evt.set_type(r->get_trace_type());
    37     evt.set_start((uintptr_t)r->bottom());
    38     evt.set_used(r->used());
    39     evt.commit();
    40     return false;
    41   }
    42 };
    45 void G1HeapRegionEventSender::send_events() {
    46   DumpEventInfoClosure c;
    48   G1CollectedHeap::heap()->heap_region_iterate(&c);
    49 }

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