asan_stats.h revision 229109 
1//===-- asan_stats.h --------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of AddressSanitizer, an address sanity checker.
11//
12// ASan-private header for statistics.
13//===----------------------------------------------------------------------===//
14#ifndef ASAN_STATS_H
15#define ASAN_STATS_H
16
17#include "asan_allocator.h"
18#include "asan_internal.h"
19
20namespace __asan {
21
22// AsanStats struct is NOT thread-safe.
23// Each AsanThread has its own AsanStats, which are sometimes flushed
24// to the accumulated AsanStats.
25struct AsanStats {
26  // AsanStats must be a struct consisting of size_t fields only.
27  // When merging two AsanStats structs, we treat them as arrays of size_t.
28  size_t mallocs;
29  size_t malloced;
30  size_t malloced_redzones;
31  size_t frees;
32  size_t freed;
33  size_t real_frees;
34  size_t really_freed;
35  size_t really_freed_redzones;
36  size_t reallocs;
37  size_t realloced;
38  size_t mmaps;
39  size_t mmaped;
40  size_t mmaped_by_size[kNumberOfSizeClasses];
41  size_t malloced_by_size[kNumberOfSizeClasses];
42  size_t freed_by_size[kNumberOfSizeClasses];
43  size_t really_freed_by_size[kNumberOfSizeClasses];
44
45  size_t malloc_large;
46  size_t malloc_small_slow;
47
48  // Ctor for global AsanStats (accumulated stats and main thread stats).
49  explicit AsanStats(LinkerInitialized) { }
50  // Default ctor for thread-local stats.
51  AsanStats();
52
53  // Prints formatted stats to stderr.
54  void Print();
55};
56
57}  // namespace __asan
58
59#endif  // ASAN_STATS_H
60