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#! /usr/bin/python
# -*- python -*-
# -*- coding: utf-8 -*-
import pygtk
pygtk.require("2.0")
import gtk, gobject, math, os, procfs, schedutils
from tuna import sysfs, tuna, gui
def set_affinity_warning(tid, affinity):
dialog = gtk.MessageDialog(None,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_WARNING,
gtk.BUTTONS_OK,
"%s %d %s %s!" % (_("Couldn't change the affinity of"),
tid, _("to"), affinity))
dialog.run()
dialog.destroy()
def drop_handler_move_threads_to_cpu(new_affinity, data):
pid_list = [ int(pid) for pid in data.split(",") ]
return tuna.move_threads_to_cpu(new_affinity, pid_list,
set_affinity_warning)
def drop_handler_move_irqs_to_cpu(cpus, data):
irq_list = [ int(irq) for irq in data.split(",") ]
new_affinity = [ reduce(lambda a, b: a | b,
map(lambda cpu: 1 << cpu, cpus)), ]
for irq in irq_list:
tuna.set_irq_affinity(irq, new_affinity)
# FIXME: check if we really changed the affinity, but
# its only an optimization to avoid a needless refresh
# in the irqview, now we always refresh.
return True
class cpu_socket_frame(gtk.Frame):
( COL_FILTER, COL_CPU, COL_USAGE ) = range(3)
def __init__(self, socket, cpus, creator):
if creator.nr_sockets > 1:
gtk.Frame.__init__(self, _("Socket %s") % socket)
else:
gtk.Frame.__init__(self)
self.socket = socket
self.cpus = cpus
self.nr_cpus = len(cpus)
self.creator = creator
self.list_store = gtk.ListStore(gobject.TYPE_BOOLEAN,
gobject.TYPE_UINT,
gobject.TYPE_UINT)
self.treeview = gtk.TreeView(self.list_store)
# Filter column
renderer = gtk.CellRendererToggle()
renderer.connect('toggled', self.filter_toggled, self.list_store)
column = gtk.TreeViewColumn(_('Filter'), renderer, active = self.COL_FILTER)
self.treeview.append_column(column)
# CPU# column
column = gtk.TreeViewColumn(_('CPU'), gtk.CellRendererText(),
text = self.COL_CPU)
self.treeview.append_column(column)
# CPU usage column
try:
column = gtk.TreeViewColumn(_('Usage'), gtk.CellRendererProgress(),
text = self.COL_USAGE, value = self.COL_USAGE)
except:
# CellRendererProgress needs pygtk2 >= 2.6
column = gtk.TreeViewColumn(_('Usage'), gtk.CellRendererText(),
text = self.COL_USAGE)
self.treeview.append_column(column)
self.add(self.treeview)
self.treeview.enable_model_drag_dest(gui.DND_TARGETS,
gtk.gdk.ACTION_DEFAULT)
self.treeview.connect("drag_data_received",
self.on_drag_data_received_data)
self.treeview.connect("button_press_event",
self.on_cpu_socket_frame_button_press_event)
self.drop_handlers = { "pid": (drop_handler_move_threads_to_cpu, self.creator.procview),
"irq": (drop_handler_move_irqs_to_cpu, self.creator.irqview), }
self.drag_dest_set(gtk.DEST_DEFAULT_ALL, gui.DND_TARGETS,
gtk.gdk.ACTION_DEFAULT | gtk.gdk.ACTION_MOVE)
self.connect("drag_data_received",
self.on_frame_drag_data_received_data)
def on_frame_drag_data_received_data(self, w, context, x, y,
selection, info, etime):
# Move to all CPUs in this socket
cpus = [ int(cpu.name[3:]) for cpu in self.cpus ]
# pid list, a irq list, etc
source, data = selection.data.split(":")
if self.drop_handlers.has_key(source):
if self.drop_handlers[source][0](cpus, data):
self.drop_handlers[source][1].refresh()
else:
print "cpu_socket_frame: unhandled drag source '%s'" % source
def on_drag_data_received_data(self, treeview, context, x, y,
selection, info, etime):
drop_info = treeview.get_dest_row_at_pos(x, y)
# pid list, a irq list, etc
source, data = selection.data.split(":")
if drop_info:
model = treeview.get_model()
path, position = drop_info
iter = model.get_iter(path)
cpus = [ model.get_value(iter, self.COL_CPU), ]
else:
# Move to all CPUs in this socket
cpus = [ int(cpu.name[3:]) for cpu in self.cpus ]
if self.drop_handlers.has_key(source):
if self.drop_handlers[source][0](cpus, data):
self.drop_handlers[source][1].refresh()
else:
print "cpu_socket_frame: unhandled drag source '%s'" % source
def refresh(self):
self.list_store.clear()
for i in range(self.nr_cpus):
cpu = self.cpus[i]
cpunr = int(cpu.name[3:])
usage = self.creator.cpustats[cpunr + 1].usage
iter = self.list_store.append()
self.list_store.set(iter,
self.COL_FILTER, cpunr not in self.creator.cpus_filtered,
self.COL_CPU, cpunr,
self.COL_USAGE, int(usage))
self.treeview.show_all()
def isolate_cpu(self, a):
ret = self.treeview.get_path_at_pos(self.last_x, self.last_y)
if not ret:
return
path, col, xpos, ypos = ret
if not path:
return
row = self.list_store.get_iter(path)
cpu = self.list_store.get_value(row, self.COL_CPU)
self.creator.isolate_cpus([cpu,])
def include_cpu(self, a):
ret = self.treeview.get_path_at_pos(self.last_x, self.last_y)
if not ret:
return
path, col, xpos, ypos = ret
if not path:
return
row = self.list_store.get_iter(path)
cpu = self.list_store.get_value(row, self.COL_CPU)
self.creator.include_cpus([cpu,])
def restore_cpu(self, a):
self.creator.restore_cpu()
def isolate_cpu_socket(self, a):
# Isolate all CPUs in this socket
cpus = [ int(cpu.name[3:]) for cpu in self.cpus ]
self.creator.isolate_cpus(cpus)
def include_cpu_socket(self, a):
# Include all CPUs in this socket
cpus = [ int(cpu.name[3:]) for cpu in self.cpus ]
self.creator.include_cpus(cpus)
def on_cpu_socket_frame_button_press_event(self, treeview, event):
if event.type != gtk.gdk.BUTTON_PRESS or event.button != 3:
return
self.last_x = int(event.x)
self.last_y = int(event.y)
menu = gtk.Menu()
include = gtk.MenuItem(_("I_nclude CPU"))
isolate = gtk.MenuItem(_("_Isolate CPU"))
if self.creator.nr_sockets > 1:
include_socket = gtk.MenuItem(_("I_nclude CPU Socket"))
isolate_socket = gtk.MenuItem(_("_Isolate CPU Socket"))
restore = gtk.MenuItem(_("_Restore CPU"))
menu.add(include)
menu.add(isolate)
if self.creator.nr_sockets > 1:
menu.add(include_socket)
menu.add(isolate_socket)
menu.add(restore)
include.connect_object('activate', self.include_cpu, event)
isolate.connect_object('activate', self.isolate_cpu, event)
if self.creator.nr_sockets > 1:
include_socket.connect_object('activate', self.include_cpu_socket, event)
isolate_socket.connect_object('activate', self.isolate_cpu_socket, event)
if not (self.creator.previous_pid_affinities or \
self.creator.previous_irq_affinities):
restore.set_sensitive(False)
restore.connect_object('activate', self.restore_cpu, event)
include.show()
isolate.show()
if self.creator.nr_sockets > 1:
include_socket.show()
isolate_socket.show()
restore.show()
menu.popup(None, None, None, event.button, event.time)
def filter_toggled(self, cell, path, model):
# get toggled iter
iter = model.get_iter((int(path),))
enabled = model.get_value(iter, self.COL_FILTER)
cpu = model.get_value(iter, self.COL_CPU)
enabled = not enabled
self.creator.toggle_mask_cpu(cpu, enabled)
# set new value
model.set(iter, self.COL_FILTER, enabled)
class cpuview:
def __init__(self, vpaned, hpaned, window, procview, irqview, cpus_filtered):
self.cpus = sysfs.cpus()
self.cpustats = procfs.cpusstats()
self.socket_frames = {}
self.procview = procview
self.irqview = irqview
vbox = window.get_child().get_child()
socket_ids = self.cpus.sockets.keys()
socket_ids.sort()
self.nr_sockets = len(socket_ids)
if self.nr_sockets > 1:
columns = math.ceil(math.sqrt(self.nr_sockets))
rows = math.ceil(self.nr_sockets / columns)
box = gtk.HBox()
vbox.pack_start(box, True, True)
else:
box = vbox
column = 1
for socket_id in socket_ids:
frame = cpu_socket_frame(socket_id,
self.cpus.sockets[socket_id],
self)
box.pack_start(frame, False, False)
self.socket_frames[socket_id] = frame
if self.nr_sockets > 1:
if column == columns:
box = gtk.HBox()
vbox.pack_start(box, True, True)
column = 1
else:
column += 1
window.show_all()
self.cpus_filtered = cpus_filtered
self.refresh()
self.previous_pid_affinities = None
self.previous_irq_affinities = None
req = frame.size_request()
# FIXME: what is the slack we have
# to add to every row and column?
width = req[0] + 16
height = req[1] + 20
if self.nr_sockets > 1:
width *= columns
height *= rows
vpaned.set_position(int(height))
hpaned.set_position(int(width))
self.timer = gobject.timeout_add(3000, self.refresh)
def isolate_cpus(self, cpus):
self.previous_pid_affinities, \
self.previous_irq_affinities = tuna.isolate_cpus(cpus, self.cpus.nr_cpus)
if self.previous_pid_affinities:
self.procview.refresh()
if self.previous_irq_affinities:
self.irqview.refresh()
def include_cpus(self, cpus):
self.previous_pid_affinities, \
self.previous_irq_affinities = tuna.include_cpus(cpus, self.cpus.nr_cpus)
if self.previous_pid_affinities:
self.procview.refresh()
if self.previous_irq_affinities:
self.irqview.refresh()
def restore_cpu(self):
if not (self.previous_pid_affinities or \
self.previous_irq_affinities):
return
affinities = self.previous_pid_affinities
for pid in affinities.keys():
try:
schedutils.set_affinity(pid, affinities[pid])
except:
pass
affinities = self.previous_irq_affinities
for irq in affinities.keys():
tuna.set_irq_affinity(int(irq),
procfs.hexbitmask(affinities[irq],
self.cpus.nr_cpus))
self.previous_pid_affinities = None
self.previous_irq_affinities = None
def toggle_mask_cpu(self, cpu, enabled):
if enabled:
if cpu in self.cpus_filtered:
self.cpus_filtered.remove(cpu)
else:
if cpu not in self.cpus_filtered:
self.cpus_filtered.append(cpu)
self.procview.toggle_mask_cpu(cpu, enabled)
self.irqview.toggle_mask_cpu(cpu, enabled)
def refresh(self):
self.cpustats.reload()
for frame in self.socket_frames.keys():
self.socket_frames[frame].refresh()
return True
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