mirror of
https://github.com/ElvishArtisan/rivendell.git
synced 2025-05-20 23:03:04 +02:00
79518592e4
* Added a 'RDTimeArray' class for optimization and debugging. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
130 lines
2.5 KiB
C++
130 lines
2.5 KiB
C++
// rdtimearray.cpp
|
|
//
|
|
// Record a sequence of precise points in time with microsecond precision.
|
|
//
|
|
// (C) Copyright 2025 Fred Gleason <fredg@paravelsystems.com>
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License version 2 as
|
|
// published by the Free Software Foundation.
|
|
//
|
|
// 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
//
|
|
|
|
#include <sys/time.h>
|
|
|
|
#include <QObject>
|
|
|
|
#include "rdtimearray.h"
|
|
|
|
RDTimePoint::RDTimePoint(const QString &label)
|
|
{
|
|
struct timeval tv;
|
|
|
|
gettimeofday(&tv,NULL);
|
|
d_label=label;
|
|
d_usecs=1000000*tv.tv_sec+tv.tv_usec;
|
|
}
|
|
|
|
|
|
QString RDTimePoint::label() const
|
|
{
|
|
return d_label;
|
|
}
|
|
|
|
|
|
int64_t RDTimePoint::usecs() const
|
|
{
|
|
return d_usecs;
|
|
}
|
|
|
|
|
|
QString RDTimePoint::toString() const
|
|
{
|
|
return QString::asprintf("%s: %ld",d_label.toUtf8().constData(),d_usecs);
|
|
}
|
|
|
|
|
|
int64_t RDTimePoint::operator-(const RDTimePoint &rhs) const
|
|
{
|
|
return d_usecs-rhs.d_usecs;
|
|
}
|
|
|
|
|
|
|
|
|
|
RDTimeArray::RDTimeArray()
|
|
{
|
|
}
|
|
|
|
|
|
int RDTimeArray::size() const
|
|
{
|
|
return d_points.size();
|
|
}
|
|
|
|
|
|
RDTimePoint RDTimeArray::timePoint(int n) const
|
|
{
|
|
return d_points.at(n);
|
|
}
|
|
|
|
|
|
void RDTimeArray::addPoint(QString label)
|
|
{
|
|
if(label.isEmpty()) {
|
|
label=QObject::tr("point")+QString::asprintf(" %d",d_points.size());
|
|
}
|
|
d_points.push_back(RDTimePoint(label));
|
|
}
|
|
|
|
|
|
QString RDTimeArray::toString(int from,int to) const
|
|
{
|
|
QString ret;
|
|
|
|
if(to<0) {
|
|
to=d_points.size()-1;
|
|
}
|
|
for(int i=from;i<(to+1);i++) {
|
|
ret+=QString::asprintf("%s: %ld\n",
|
|
d_points.at(i).label().toUtf8().constData(),
|
|
d_points.at(i).usecs());
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
QString RDTimeArray::offsetsToString(int from,int to) const
|
|
{
|
|
QString ret;
|
|
|
|
if(to<0) {
|
|
to=d_points.size()-1;
|
|
}
|
|
for(int i=from;i<(to+1);i++) {
|
|
ret+=QString::asprintf("%s - %s: %ld\n",
|
|
d_points.at(i).label().toUtf8().constData(),
|
|
d_points.at(i-1).label().toUtf8().constData(),
|
|
d_points.at(i)-d_points.at(i-1));
|
|
}
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
int64_t RDTimeArray::usecsElapsed(int from,int to) const
|
|
{
|
|
if(to<0) {
|
|
to=d_points.size()-1;
|
|
}
|
|
return d_points.at(to)-d_points.at(from);
|
|
}
|