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Add checkbox to control CPU limiting of worker processes

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This commit is contained in:
Kovid Goyal 2009-12-14 13:53:45 -07:00
parent c4fa7317be
commit e7eb7885ab
6 changed files with 35 additions and 22 deletions
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2
src/calibre/gui2/__init__.py
View File

@ -85,6 +85,8 @@ def _config():
help=_('Maximum number of waiting worker processes'))
c.add_opt('get_social_metadata', default=True,
help=_('Download social metadata (tags/rating/etc.)'))
c.add_opt('enforce_cpu_limit', default=True,
help=_('Limit max simultaneous jobs to number of CPUs'))
return ConfigProxy(c)

2
src/calibre/gui2/dialogs/config/__init__.py
View File

@ -456,6 +456,7 @@ class ConfigDialog(ResizableDialog, Ui_Dialog):
self.connect(self.button_open_config_dir, SIGNAL('clicked()'),
self.open_config_dir)
self.opt_get_social_metadata.setChecked(config['get_social_metadata'])
self.opt_enforce_cpu_limit.setChecked(config['enforce_cpu_limit'])
def open_config_dir(self):
from calibre.utils.config import config_dir
@ -742,6 +743,7 @@ class ConfigDialog(ResizableDialog, Ui_Dialog):
config['upload_news_to_device'] = self.sync_news.isChecked()
config['search_as_you_type'] = self.search_as_you_type.isChecked()
config['get_social_metadata'] = self.opt_get_social_metadata.isChecked()
config['enforce_cpu_limit'] = bool(self.opt_enforce_cpu_limit.isChecked())
fmts = []
for i in range(self.viewer.count()):
if self.viewer.item(i).checkState() == Qt.Checked:

35
src/calibre/gui2/dialogs/config/config.ui
View File

@ -15,7 +15,7 @@
<string>Preferences</string>
</property>
<property name="windowIcon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/config.svg</normaloff>:/images/config.svg</iconset>
</property>
<layout class="QGridLayout">
@ -90,7 +90,7 @@
<x>0</x>
<y>0</y>
<width>524</width>
<height>680</height>
<height>683</height>
</rect>
</property>
<layout class="QGridLayout" name="gridLayout_7">
@ -148,7 +148,7 @@
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/mimetypes/dir.svg</normaloff>:/images/mimetypes/dir.svg</iconset>
</property>
</widget>
@ -285,7 +285,7 @@
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/arrow-up.svg</normaloff>:/images/arrow-up.svg</iconset>
</property>
</widget>
@ -309,7 +309,7 @@
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/arrow-down.svg</normaloff>:/images/arrow-down.svg</iconset>
</property>
</widget>
@ -473,7 +473,7 @@
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/arrow-up.svg</normaloff>:/images/arrow-up.svg</iconset>
</property>
</widget>
@ -497,7 +497,7 @@
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/arrow-down.svg</normaloff>:/images/arrow-down.svg</iconset>
</property>
</widget>
@ -557,7 +557,7 @@
<string>&amp;Add email</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/plus.svg</normaloff>:/images/plus.svg</iconset>
</property>
<property name="iconSize">
@ -584,7 +584,7 @@
<string>&amp;Remove email</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/minus.svg</normaloff>:/images/minus.svg</iconset>
</property>
<property name="iconSize">
@ -649,27 +649,34 @@
</property>
</widget>
</item>
<item row="1" column="0" colspan="2">
<item row="2" column="0" colspan="2">
<widget class="QPushButton" name="compact_button">
<property name="text">
<string>&amp;Check database integrity</string>
</property>
</widget>
</item>
<item row="3" column="0" colspan="2">
<item row="4" column="0" colspan="2">
<widget class="QPushButton" name="button_osx_symlinks">
<property name="text">
<string>&amp;Install command line tools</string>
</property>
</widget>
</item>
<item row="2" column="0" colspan="2">
<item row="3" column="0" colspan="2">
<widget class="QPushButton" name="button_open_config_dir">
<property name="text">
<string>Open calibre &amp;configuration directory</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QCheckBox" name="opt_enforce_cpu_limit">
<property name="text">
<string>Limit the max. simultaneous jobs to the available CPU &amp;cores</string>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="page_4">
@ -959,7 +966,7 @@
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../../../resources/images.qrc">
<iconset resource="../../../../work/calibre/resources/images.qrc">
<normaloff>:/images/document_open.svg</normaloff>:/images/document_open.svg</iconset>
</property>
</widget>
@ -1030,7 +1037,7 @@
</customwidget>
</customwidgets>
<resources>
<include location="../../../../../resources/images.qrc"/>
<include location="../../../../work/calibre/resources/images.qrc"/>
</resources>
<connections>
<connection>

3
src/calibre/gui2/jobs.py
View File

@ -31,7 +31,8 @@ class JobManager(QAbstractTableModel):
self.jobs = []
self.add_job = Dispatcher(self._add_job)
self.server = Server(limit=int(config['worker_limit']/2.0))
self.server = Server(limit=int(config['worker_limit']/2.0),
enforce_cpu_limit=config['enforce_cpu_limit'])
self.changed_queue = Queue()
self.timer = QTimer(self)

3
src/calibre/utils/ipc/server.py
View File

@ -84,13 +84,14 @@ class CriticalError(Exception):
class Server(Thread):
def __init__(self, notify_on_job_done=lambda x: x, pool_size=None,
limit=sys.maxint):
limit=sys.maxint, enforce_cpu_limit=True):
Thread.__init__(self)
self.daemon = True
global _counter
self.id = _counter+1
_counter += 1
if enforce_cpu_limit:
limit = min(limit, cpu_count())
self.pool_size = limit if pool_size is None else pool_size
self.notify_on_job_done = notify_on_job_done