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Changed linux Qt trace logger to use low level disk write functions to increase efficiency.

This commit is contained in:
mjbudd77 2021-04-26 21:41:22 -04:00
parent f386dfb428
commit 4afb2ac2ac
1 changed files with 25 additions and 7 deletions
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32
src/drivers/Qt/TraceLogger.cpp
View File

@ -23,6 +23,14 @@
#include <stdio.h>
#include <math.h>
#ifdef WIN32
#include <windows.h>
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#endif
#include <QDir>
#include <QMenu>
#include <QMenuBar>
@ -112,7 +120,7 @@ static HANDLE logFile = INVALID_HANDLE_VALUE;
#else
static int logFile = -1;
#endif
static char logFilePath[512];
static char logFilePath[512] = { 0 };
//----------------------------------------------------
TraceLoggerDialog_t::TraceLoggerDialog_t(QWidget *parent)
: QDialog(parent, Qt::Window)
@ -447,7 +455,10 @@ void TraceLoggerDialog_t::toggleLoggingOnOff(void)
{
if (logFileCbox->isChecked())
{
openLogFile();
if ( logFilePath[0] == 0 )
{
openLogFile();
}
diskThread->start();
msleep(100);
}
@ -2024,7 +2035,6 @@ void QTraceLogView::paintEvent(QPaintEvent *event)
int i, x, y, v, ofs, row, start, end, nrow, lineLen;
QPainter painter(this);
char line[256];
//traceRecord_t rec[64];
QColor hlgtFG("white"), hlgtBG("blue");
painter.setFont(font);
@ -2184,7 +2194,6 @@ void QTraceLogView::paintEvent(QPaintEvent *event)
TraceLogDiskThread_t::TraceLogDiskThread_t( QObject *parent )
: QThread(parent)
{
setPriority( QThread::HighestPriority );
}
//----------------------------------------------------
TraceLogDiskThread_t::~TraceLogDiskThread_t(void)
@ -2219,18 +2228,28 @@ void TraceLogDiskThread_t::run(void)
printf("Trace Log Disk Start\n");
setPriority( QThread::HighestPriority );
#ifdef WIN32
logFile = CreateFileA( logFilePath, GENERIC_WRITE,
0, NULL, OPEN_ALWAYS, FILE_FLAG_WRITE_THROUGH | FILE_FLAG_NO_BUFFERING, NULL );
if ( logFile == INVALID_HANDLE_VALUE )
{
char stmp[1024];
sprintf( stmp, "Error: Failed to open log file for writing: %s", logFilePath );
consoleWindow->QueueErrorMsgWindow(stmp);
return;
}
#else
logFile = open( logFilePath, O_CREAT | O_WRONLY | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH );
if ( logFile == -1 )
{
char stmp[1024];
sprintf( stmp, "Error: Failed to open log file for writing: %s", logFilePath );
consoleWindow->QueueErrorMsgWindow(stmp);
return;
}
#endif
@ -2267,8 +2286,7 @@ void TraceLogDiskThread_t::run(void)
DWORD bytesWritten;
WriteFile( logFile, buf, idx, &bytesWritten, NULL ); idx = 0;
#else
fwrite( buf, idx, 1, logFile ); idx = 0;
//fflush(logFile);
write( logFile, buf, idx ); idx = 0;
#endif
}
}
@ -2281,7 +2299,7 @@ void TraceLogDiskThread_t::run(void)
DWORD bytesWritten;
WriteFile( logFile, buf, idx, &bytesWritten, NULL ); idx = 0;
#else
fwrite( buf, idx, 1, logFile ); idx = 0;
write( logFile, buf, idx ); idx = 0;
#endif
}