1 files changed, 86 insertions, 0 deletions
diff --git a/gprofng/src/IOActivity.h b/gprofng/src/IOActivity.h
new file mode 100644
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+++ b/gprofng/src/IOActivity.h
@@ -0,0 +1,86 @@
+/* Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Oracle.
+
+   This file is part of GNU Binutils.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#ifndef _IOACTIVITY_H
+#define _IOACTIVITY_H
+
+
+#include <stdio.h>
+
+#include "vec.h"
+#include "Histable.h"
+#include "Hist_data.h"
+#include "Metric.h"
+#include "FileData.h"
+#include "DefaultMap.h"
+#include "dbe_types.h"
+
+class Experiment;
+class Expression;
+class DataView;
+class DbeView;
+
+class IOActivity
+{
+public:
+
+  IOActivity (DbeView *_dbev);
+  void reset (void);
+  Hist_data *compute_metrics (MetricList *, Histable::Type, Hist_data::Mode,
+			      Histable*);
+
+  ~IOActivity ()
+  {
+    this->reset ();
+  }
+
+private:
+  void computeData (Histable::Type);
+  void computeCallStack (Histable::Type, VMode viewMode);
+  void createHistItemTotals (Hist_data *, MetricList *, Histable::Type, bool);
+  void computeHistTotals (Hist_data *, MetricList *);
+  void computeHistData (Hist_data *, MetricList *, Hist_data::Mode, Histable *);
+
+  Vector<FileData*> *fDataObjs;
+  Vector<FileData*> *fDataObjsFile;
+  Vector<FileData*> *fDataObjsVfd;
+  Vector<FileData*> *fDataObjsCallStack;
+  bool hasFile;
+  bool hasVfd;
+  bool hasCallStack;
+  HashMap<char*, FileData*> *fDataHash;
+  FileData *fDataTotal;
+
+  // list of FileData objects using the stack id as the key
+  DefaultMap<void*, FileData*> *fDataCalStkMap;
+
+  // list of FileData objects using the VFD as the key
+  DefaultMap<long, FileData*> *fDataVfdMap;
+
+  // the cached data for mode=Hist_Data::ALL
+  Hist_data *hist_data_file_all;
+  Hist_data *hist_data_vfd_all;
+  Hist_data *hist_data_callstack_all;
+  Hist_data *hist_data_callstack;
+
+  DbeView *dbev;
+};
+
+#endif /* _IOACTIVITY_H */