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Code Issues Releases Wiki Activity

Changed cThread::SetIOPriority() from "best effort class" to "idle class" in order to improve overall performance when an editing process is running

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This commit is contained in:
Klaus Schmidinger 2013-04-10 15:38:29 +02:00
parent 89de3b6c01
commit 0e4b404102
3 changed files with 10 additions and 3 deletions
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4
CONTRIBUTORS
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@ -3140,3 +3140,7 @@ Zoran Turalija <zoran.turalija@gmail.com>
Stefan Braun <louis.braun@gmx.de> Stefan Braun <louis.braun@gmx.de>
for reporting an endless loop in cTextWrapper::Set() in case the given Width is smaller for reporting an endless loop in cTextWrapper::Set() in case the given Width is smaller
than one character than one character
Jochen Dolze <vdr@dolze.de>
for changing cThread::SetIOPriority() from "best effort class" to "idle class" in order
to improve overall performance when an editing process is running

5
HISTORY
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@ -7791,7 +7791,7 @@ Video Disk Recorder Revision History
- Added definitions for older DVB API versions, back until 5.0 (based on a patch from - Added definitions for older DVB API versions, back until 5.0 (based on a patch from
Udo Richter). Udo Richter).
2013-04-09: Version 2.1.1 2013-04-10: Version 2.1.1
- Fixed initializing cDevice::keepTracks. - Fixed initializing cDevice::keepTracks.
- Fixed an endless loop in cTextWrapper::Set() in case the given Width is smaller than - Fixed an endless loop in cTextWrapper::Set() in case the given Width is smaller than
@ -7799,3 +7799,6 @@ Video Disk Recorder Revision History
- Removed all "modified since version 1.6" markers from PLUGINS.html. - Removed all "modified since version 1.6" markers from PLUGINS.html.
- Added definitions for older DVB API versions, back until 5.0 (based on a patch from - Added definitions for older DVB API versions, back until 5.0 (based on a patch from
Udo Richter). Udo Richter).
- Changed cThread::SetIOPriority() from "best effort class" to "idle class" in order to
improve overall performance when an editing process is running (thanks to Jochen
Dolze).

4
thread.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: thread.c 2.7 2013/02/22 14:52:49 kls Exp $ * $Id: thread.c 3.1 2013/04/10 15:37:32 kls Exp $
*/ */
#include "thread.h" #include "thread.h"
@ -229,7 +229,7 @@ void cThread::SetPriority(int Priority)
void cThread::SetIOPriority(int Priority) void cThread::SetIOPriority(int Priority)
{ {
if (syscall(SYS_ioprio_set, 1, 0, (Priority & 0xff) | (2 << 13)) < 0) // best effort class if (syscall(SYS_ioprio_set, 1, 0, (Priority & 0xff) | (3 << 13)) < 0) // idle class
LOG_ERROR; LOG_ERROR;
} }