2011-11-30 09:07:02 +08:00
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//===-- 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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2012-05-31 22:35:53 +08:00
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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 really_freed_redzones;
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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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2012-12-19 22:56:38 +08:00
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uptr munmaps;
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uptr munmaped;
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2012-05-31 22:35:53 +08:00
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uptr mmaped_by_size[kNumberOfSizeClasses];
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uptr malloced_by_size[kNumberOfSizeClasses];
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uptr freed_by_size[kNumberOfSizeClasses];
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uptr really_freed_by_size[kNumberOfSizeClasses];
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uptr malloc_large;
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uptr malloc_small_slow;
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2011-11-30 09:07:02 +08:00
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// Ctor for global AsanStats (accumulated stats and main thread stats).
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explicit AsanStats(LinkerInitialized) { }
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// Default ctor for thread-local stats.
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AsanStats();
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// Prints formatted stats to stderr.
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void Print();
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};
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2013-03-20 18:11:24 +08:00
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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 all thread-local stats to accumulated stats, and makes
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// a copy of accumulated stats.
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void GetAccumulatedStats(AsanStats *stats);
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// Flushes a given stats into accumulated stats.
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void FlushToAccumulatedStats(AsanStats *stats);
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2012-09-12 23:29:50 +08:00
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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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2013-03-20 18:11:24 +08:00
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void FillMallocStatistics(AsanMallocStats *malloc_stats);
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2011-11-30 09:07:02 +08:00
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} // namespace __asan
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#endif // ASAN_STATS_H
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