compilationMemoryStatistic.hpp

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#ifndef SHARE_COMPILER_COMPILATIONMEMORYSTATISTIC_HPP
#defineSHARE_COMPILER_COMPILATIONMEMORYSTATISTIC_HPP

#include"memory/allocation.hpp"
#include"memory/allStatic.hpp"
#include"utilities/globalDefinitions.hpp"

classDirectiveSet;
classoutputStream;

classCompilationMemoryStatistic : publicAllStatic {
friendclassCompilationMemoryStatisticMark;
staticbool _enabled; // set to true if memstat is active for any method.

// Private, should only be called via CompilationMemoryStatisticMark
staticvoidon_start_compilation(const DirectiveSet* directive);

// Private, should only be called via CompilationMemoryStatisticMark
staticvoidon_end_compilation();

staticvoidprint_all_by_size(outputStream* st, bool verbose, bool legend, size_t minsize, int max_num_printed);

public:
staticvoidinitialize();
// true if CollectMemStat or PrintMemStat has been enabled for any method
staticboolenabled() { return _enabled; }
// true if we are in a fatal error inited by hitting the MemLimit
staticboolin_oom_crash();

staticvoidon_phase_start(int phase_trc_id, constchar* text);
staticvoidon_phase_end();
staticvoidon_arena_chunk_allocation(size_t size, int arenatag, uint64_t* stamp);
staticvoidon_arena_chunk_deallocation(size_t size, uint64_t stamp);

staticvoidprint_final_report(outputStream* st);
staticvoidprint_error_report(outputStream* st);
staticvoidprint_jcmd_report(outputStream* st, bool verbose, bool legend, size_t minsize);

// For compilers
staticconstchar* failure_reason_memlimit();

DEBUG_ONLY(staticvoiddo_test_allocations();)
};

// RAII object to wrap one compilation
classCompilationMemoryStatisticMark : publicStackObj {
constbool _active;
public:
CompilationMemoryStatisticMark(const DirectiveSet* directive);
~CompilationMemoryStatisticMark();
};

#endif// SHARE_COMPILER_COMPILATIONMEMORYSTATISTIC_HPP