forked from OSchip/llvm-project
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//===-- memprof_stats.h ----------------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of MemProfiler, a memory profiler.
|
|
//
|
|
// MemProf-private header for statistics.
|
|
//===----------------------------------------------------------------------===//
|
|
#ifndef MEMPROF_STATS_H
|
|
#define MEMPROF_STATS_H
|
|
|
|
#include "memprof_allocator.h"
|
|
#include "memprof_internal.h"
|
|
|
|
namespace __memprof {
|
|
|
|
// MemprofStats struct is NOT thread-safe.
|
|
// Each MemprofThread has its own MemprofStats, which are sometimes flushed
|
|
// to the accumulated MemprofStats.
|
|
struct MemprofStats {
|
|
// MemprofStats must be a struct consisting of uptr fields only.
|
|
// When merging two MemprofStats structs, we treat them as arrays of uptr.
|
|
uptr mallocs;
|
|
uptr malloced;
|
|
uptr malloced_overhead;
|
|
uptr frees;
|
|
uptr freed;
|
|
uptr real_frees;
|
|
uptr really_freed;
|
|
uptr reallocs;
|
|
uptr realloced;
|
|
uptr mmaps;
|
|
uptr mmaped;
|
|
uptr munmaps;
|
|
uptr munmaped;
|
|
uptr malloc_large;
|
|
uptr malloced_by_size[kNumberOfSizeClasses];
|
|
|
|
// Ctor for global MemprofStats (accumulated stats for dead threads).
|
|
explicit MemprofStats(LinkerInitialized) {}
|
|
// Creates empty stats.
|
|
MemprofStats();
|
|
|
|
void Print(); // Prints formatted stats to stderr.
|
|
void Clear();
|
|
void MergeFrom(const MemprofStats *stats);
|
|
};
|
|
|
|
// Returns stats for GetCurrentThread(), or stats for fake "unknown thread"
|
|
// if GetCurrentThread() returns 0.
|
|
MemprofStats &GetCurrentThreadStats();
|
|
// Flushes a given stats into accumulated stats of dead threads.
|
|
void FlushToDeadThreadStats(MemprofStats *stats);
|
|
|
|
} // namespace __memprof
|
|
|
|
#endif // MEMPROF_STATS_H
|