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73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
//===-- asan_stats.h --------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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// ASan-private header for statistics.
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//===----------------------------------------------------------------------===//
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#ifndef ASAN_STATS_H
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#define ASAN_STATS_H
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#include "asan_allocator.h"
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#include "asan_internal.h"
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namespace __asan {
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// AsanStats struct is NOT thread-safe.
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// Each AsanThread has its own AsanStats, which are sometimes flushed
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// to the accumulated AsanStats.
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struct AsanStats {
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// AsanStats must be a struct consisting of uptr fields only.
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// When merging two AsanStats structs, we treat them as arrays of uptr.
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uptr mallocs;
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uptr malloced;
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uptr malloced_redzones;
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uptr frees;
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uptr freed;
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uptr real_frees;
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uptr really_freed;
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uptr reallocs;
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uptr realloced;
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uptr mmaps;
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uptr mmaped;
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uptr munmaps;
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uptr munmaped;
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uptr malloc_large;
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uptr malloced_by_size[kNumberOfSizeClasses];
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// Ctor for global AsanStats (accumulated stats for dead threads).
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explicit AsanStats(LinkerInitialized) { }
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// Creates empty stats.
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AsanStats();
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void Print(); // Prints formatted stats to stderr.
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void Clear();
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void MergeFrom(const AsanStats *stats);
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};
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// Returns stats for GetCurrentThread(), or stats for fake "unknown thread"
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// if GetCurrentThread() returns 0.
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AsanStats &GetCurrentThreadStats();
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// Flushes a given stats into accumulated stats of dead threads.
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void FlushToDeadThreadStats(AsanStats *stats);
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// A cross-platform equivalent of malloc_statistics_t on Mac OS.
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struct AsanMallocStats {
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uptr blocks_in_use;
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uptr size_in_use;
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uptr max_size_in_use;
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uptr size_allocated;
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};
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void FillMallocStatistics(AsanMallocStats *malloc_stats);
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} // namespace __asan
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#endif // ASAN_STATS_H
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