8026041: JVM crashes with assert "assert(is_updated()) failed: must not be clear" with -XX:+PrintGCApplicationConcurrentTime in -Xcomp mode
Summary: Prior to printing the time interval in RuntimeService::record_safepoint_begin(), check first that VM initialization is complete.
Reviewed-by: coleenp, dholmes, sla, ctornqvi
Contributed-by: lois.foltan@oracle.com
/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_SERVICES_NMT_DCMD_HPP
#define SHARE_VM_SERVICES_NMT_DCMD_HPP
#include "services/diagnosticArgument.hpp"
#include "services/diagnosticFramework.hpp"
/**
* Native memory tracking DCmd implementation
*/
class NMTDCmd: public DCmdWithParser {
protected:
DCmdArgument<bool> _summary;
DCmdArgument<bool> _detail;
DCmdArgument<bool> _baseline;
DCmdArgument<bool> _summary_diff;
DCmdArgument<bool> _detail_diff;
DCmdArgument<bool> _shutdown;
DCmdArgument<bool> _auto_shutdown;
#ifndef PRODUCT
DCmdArgument<bool> _debug;
#endif
DCmdArgument<char*> _scale;
public:
NMTDCmd(outputStream* output, bool heap);
static const char* name() { return "VM.native_memory"; }
static const char* description() {
return "Print native memory usage";
}
static const char* impact() {
return "Medium";
}
static const JavaPermission permission() {
JavaPermission p = {"java.lang.management.ManagementPermission",
"monitor", NULL};
return p;
}
static int num_arguments();
virtual void execute(DCmdSource source, TRAPS);
};
#endif // SHARE_VM_SERVICES_NMT_DCMD_HPP