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- //===-- asan_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 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 reallocs;
- uptr realloced;
- uptr mmaps;
- uptr mmaped;
- uptr munmaps;
- uptr munmaped;
- uptr malloc_large;
- uptr malloced_by_size[kNumberOfSizeClasses];
- // Ctor for global AsanStats (accumulated stats for dead threads).
- explicit AsanStats(LinkerInitialized) { }
- // Creates empty stats.
- AsanStats();
- void Print(); // Prints formatted stats to stderr.
- void Clear();
- void MergeFrom(const AsanStats *stats);
- };
- // Returns stats for GetCurrentThread(), or stats for fake "unknown thread"
- // if GetCurrentThread() returns 0.
- AsanStats &GetCurrentThreadStats();
- // Flushes a given stats into accumulated stats of dead threads.
- void FlushToDeadThreadStats(AsanStats *stats);
- // 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;
- };
- void FillMallocStatistics(AsanMallocStats *malloc_stats);
- } // namespace __asan
- #endif // ASAN_STATS_H
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