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+/* 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 */