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1//===-- memprof_stats.h ----------------------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file is a part of MemProfiler, a memory profiler.10//11// MemProf-private header for statistics.12//===----------------------------------------------------------------------===//13#ifndef MEMPROF_STATS_H14#define MEMPROF_STATS_H15 16#include "memprof_allocator.h"17#include "memprof_internal.h"18 19namespace __memprof {20 21// MemprofStats struct is NOT thread-safe.22// Each MemprofThread has its own MemprofStats, which are sometimes flushed23// to the accumulated MemprofStats.24struct MemprofStats {25 // MemprofStats must be a struct consisting of uptr fields only.26 // When merging two MemprofStats structs, we treat them as arrays of uptr.27 uptr mallocs;28 uptr malloced;29 uptr malloced_overhead;30 uptr frees;31 uptr freed;32 uptr real_frees;33 uptr really_freed;34 uptr reallocs;35 uptr realloced;36 uptr mmaps;37 uptr mmaped;38 uptr munmaps;39 uptr munmaped;40 uptr malloc_large;41 uptr malloced_by_size[kNumberOfSizeClasses];42 43 // Ctor for global MemprofStats (accumulated stats for dead threads).44 explicit MemprofStats(LinkerInitialized) {}45 // Creates empty stats.46 MemprofStats();47 48 void Print(); // Prints formatted stats to stderr.49 void Clear();50 void MergeFrom(const MemprofStats *stats);51};52 53// Returns stats for GetCurrentThread(), or stats for fake "unknown thread"54// if GetCurrentThread() returns 0.55MemprofStats &GetCurrentThreadStats();56// Flushes a given stats into accumulated stats of dead threads.57void FlushToDeadThreadStats(MemprofStats *stats);58 59} // namespace __memprof60 61#endif // MEMPROF_STATS_H62