1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/memprof/memprof_stats.h b/contrib/llvm-project/compiler-rt/lib/memprof/memprof_stats.h
new file mode 100644
index 000000000000..ebdaa1909817
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/memprof/memprof_stats.h
@@ -0,0 +1,61 @@
+//===-- memprof_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 MemProfiler, a memory profiler.
+//
+// MemProf-private header for statistics.
+//===----------------------------------------------------------------------===//
+#ifndef MEMPROF_STATS_H
+#define MEMPROF_STATS_H
+
+#include "memprof_allocator.h"
+#include "memprof_internal.h"
+
+namespace __memprof {
+
+// MemprofStats struct is NOT thread-safe.
+// Each MemprofThread has its own MemprofStats, which are sometimes flushed
+// to the accumulated MemprofStats.
+struct MemprofStats {
+  // MemprofStats must be a struct consisting of uptr fields only.
+  // When merging two MemprofStats structs, we treat them as arrays of uptr.
+  uptr mallocs;
+  uptr malloced;
+  uptr malloced_overhead;
+  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 MemprofStats (accumulated stats for dead threads).
+  explicit MemprofStats(LinkerInitialized) {}
+  // Creates empty stats.
+  MemprofStats();
+
+  void Print(); // Prints formatted stats to stderr.
+  void Clear();
+  void MergeFrom(const MemprofStats *stats);
+};
+
+// Returns stats for GetCurrentThread(), or stats for fake "unknown thread"
+// if GetCurrentThread() returns 0.
+MemprofStats &GetCurrentThreadStats();
+// Flushes a given stats into accumulated stats of dead threads.
+void FlushToDeadThreadStats(MemprofStats *stats);
+
+} // namespace __memprof
+
+#endif // MEMPROF_STATS_H