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60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
// rdtimeprobe.h
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//
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// Report elapsed times for profiling and optimization
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//
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// (C) Copyright 2022 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Library General Public License
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// version 2 as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#ifndef RDTIMEPROBE_H
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#define RDTIMEPROBE_H
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#include <stdio.h>
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#include <time.h>
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#include <QDateTime>
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#include <QString>
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class RDTimeProbeStamp
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{
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public:
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RDTimeProbeStamp(struct timespec *tp=NULL);
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~RDTimeProbeStamp();
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QString toString() const;
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double operator-(const RDTimeProbeStamp &other);
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static RDTimeProbeStamp *currentStamp();
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private:
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struct timespec d_timespec;
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};
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class RDTimeProbe
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{
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public:
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RDTimeProbe(FILE *out=stderr);
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~RDTimeProbe();
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void printWaypoint(const QString &label);
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private:
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RDTimeProbeStamp *d_current_timestamp;
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FILE *d_output_stream;
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};
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#endif // RDTIMEPROBE_H
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