/*
* Copyright ( c ) 2012 , 2022 , 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 ) .
*
* You should have received a copy of the GNU General Public License version
* 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_SERVICES_NMTDCMD_HPP
#define SHARE_SERVICES_NMTDCMD_HPP
#include "services/diagnosticArgument.hpp"
#include "services/diagnosticFramework.hpp"
#include "services/memBaseline.hpp"
#include "services/mallocTracker.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 > _statistics;
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;
}
virtual void execute(DCmdSource source, TRAPS);
private :
void report(bool summaryOnly, size_t scale);
void report_diff(bool summaryOnly, size_t scale);
size_t get_scale(const char* scale) const ;
// check if NMT running at detail tracking level
bool check_detail_tracking_level(outputStream* out);
};
#endif // SHARE_SERVICES_NMTDCMD_HPP
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