llvm-project/compiler-rt/lib/asan/asan_stats.h

70 lines
1.9 KiB
C++

//===-- asan_stats.h --------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for statistics.
//===----------------------------------------------------------------------===//
#ifndef ASAN_STATS_H
#define ASAN_STATS_H
#include "asan_allocator.h"
#include "asan_internal.h"
namespace __asan {
// AsanStats struct is NOT thread-safe.
// Each AsanThread has its own AsanStats, which are sometimes flushed
// to the accumulated AsanStats.
struct AsanStats {
// AsanStats must be a struct consisting of uptr fields only.
// When merging two AsanStats structs, we treat them as arrays of uptr.
uptr mallocs;
uptr malloced;
uptr malloced_redzones;
uptr frees;
uptr freed;
uptr real_frees;
uptr really_freed;
uptr really_freed_redzones;
uptr reallocs;
uptr realloced;
uptr mmaps;
uptr mmaped;
uptr munmaps;
uptr munmaped;
uptr mmaped_by_size[kNumberOfSizeClasses];
uptr malloced_by_size[kNumberOfSizeClasses];
uptr freed_by_size[kNumberOfSizeClasses];
uptr really_freed_by_size[kNumberOfSizeClasses];
uptr malloc_large;
uptr malloc_small_slow;
// Ctor for global AsanStats (accumulated stats and main thread stats).
explicit AsanStats(LinkerInitialized) { }
// Default ctor for thread-local stats.
AsanStats();
// Prints formatted stats to stderr.
void Print();
};
// A cross-platform equivalent of malloc_statistics_t on Mac OS.
struct AsanMallocStats {
uptr blocks_in_use;
uptr size_in_use;
uptr max_size_in_use;
uptr size_allocated;
};
} // namespace __asan
#endif // ASAN_STATS_H