Add enable/disable processes stats with z key

glances/core/glances_main.py

@@ -49,7 +49,7 @@ class GlancesMain(object):
     # hddtemp_flag = True
     # network_tag = True
     # sensors_tag = True
-    process_tag = True
+    # process_tag = True
     # Display property 
     use_bold = True
     percpu_tag = False
@@ -206,7 +206,7 @@ class GlancesMain(object):
         # self.fs_tag = args.disable_mount
         # self.hddtemp_flag = args.disable_hddtemp 
         # self.network_tag = args.disable_network
-        self.process_tag = args.disable_process
+        # self.process_tag = args.disable_process
         # self.sensors_tag = args.disable_sensors and is_Linux # and sensors_lib_tag
         self.use_bold = args.no_bold
         self.percpu_tag = args.percpu

glances/core/glances_processes.py

@@ -39,18 +39,38 @@ class glancesProcesses:
         # See: https://code.google.com/p/psutil/issues/detail?id=462
         self.username_cache = {}
         self.cmdline_cache = {}
+        
         # The internals caches will be cleaned each 'cache_timeout' seconds
         self.cache_timeout = cache_timeout
         self.cache_timer = Timer(self.cache_timeout)
+        
         # Init the io dict
         # key = pid
         # value = [ read_bytes_old, write_bytes_old ]
         self.io_old = {}
-        # Init
+        
+        # Init stats
         self.processsort = 'cpu_percent'
         self.processlist = []
         self.processcount = {'total': 0, 'running': 0, 'sleeping': 0, 'thread': 0}
 
+        # Tag to enable/disable the processes stats (to reduce the Glances CPU comsumption)
+        # Default is to enable the processes stats
+        self.disable_tag = False
+
+    def enable(self):
+        """
+        Enable process stats
+        """
+        self.disable_tag = False
+        self.update()
+
+    def disable(self):
+        """
+        Enable process stats
+        """
+        self.disable_tag = True
+
     def __get_process_stats(self, proc):
         """
         Get process statistics
@@ -139,9 +159,18 @@ class glancesProcesses:
         return procstat
 
     def update(self):
+        """
+        Update the processes sats
+        """
+
+        # Reset the stats
         self.processlist = []
         self.processcount = {'total': 0, 'running': 0, 'sleeping': 0, 'thread': 0}
 
+        # Do not process if disable tag is set
+        if (self.disable_tag):
+           return 
+
         # Get the time since last update
         time_since_update = getTimeSinceLastUpdate('process_disk')
 

glances/outputs/glances_curses.py

@@ -29,7 +29,7 @@ except ImportError:
 
 # Import Glances lib
 from glances.core.glances_timer import Timer
-from glances.core.glances_globals import glances_logs
+from glances.core.glances_globals import glances_logs, glances_processes
 
 
 class glancesCurses:
@@ -228,7 +228,15 @@ class glancesCurses:
         elif self.pressedkey == ord('x'):
             # 'x' > Delete finished warning and critical logs
             glances_logs.clean(critical=True)
-
+        elif self.pressedkey == ord('z'):
+            # 'z' > Enable/Disable processes stats (count + list + monitor)
+            # Enable/Disable display
+            self.args.disable_process = not self.args.disable_process
+            # Enable/Disable update
+            if (self.args.disable_process):
+                glances_processes.disable()
+            else:
+                glances_processes.enable()
         # Return the key code
         return self.pressedkey
 

glances/plugins/glances_help.py

@@ -113,7 +113,7 @@ class Plugin(GlancesPlugin):
         ret.append(self.curse_new_line())
         msg = msg_col.format(_("s"), _("Show/hide sensors stats"))
         ret.append(self.curse_add_line(msg))
-        msg = msg_col2.format(_("z"), _("Disable all processes stats"))                             
+        msg = msg_col2.format(_("z"), _("Enable/Disable processes stats"))                             
         ret.append(self.curse_add_line(msg))
         ret.append(self.curse_new_line())
         msg = msg_col.format(_("q"), _("Quit (Esc and Ctrl-C also work)"))

glances/plugins/glances_monitor.py

@@ -94,8 +94,8 @@ class Plugin(GlancesPlugin):
         # Init the return message
         ret = []
 
-        # Stats exist ?
-        if (self.stats == []):
+        # Only process if stats exist and display plugin enable...
+        if ((self.stats == []) or (args.disable_process)):
             return ret
 
         # Build the string message

glances/plugins/glances_plugin.py

@@ -17,6 +17,10 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
+"""
+I am your father...
+For all Glances plugins
+"""
 
 # Import system libs
 import json

glances/plugins/glances_processcount.py

@@ -65,6 +65,18 @@ class Plugin(GlancesPlugin):
         # Init the return message
         ret = []
 
+        # Only process if stats exist and display plugin enable...
+        # if ((self.stats == {}) or (args.disable_process)):
+        #     return ret
+
+        if (args.disable_process):
+            msg = "{0} ".format(_("PROCESSES DISABLED (press 'z' to display)"))
+            ret.append(self.curse_add_line(msg))
+            return ret
+
+        if (self.stats == {}):
+            return ret
+
         # Build the string message
         # Header
         msg = "{0} ".format(_("TASKS"))

glances/plugins/glances_processlist.py

@@ -67,6 +67,10 @@ class Plugin(GlancesPlugin):
         # Init the return message
         ret = []
 
+        # Only process if stats exist and display plugin enable...
+        if ((self.stats == []) or (args.disable_process)):
+            return ret
+
         # Compute the sort key
         if (args.process_sorted_by == 'auto'):
             process_sort_key = glances_processes.getsortkey()