Version to be tested. All feature are implemented. Documentation to be done.

NEWS

@@ -7,6 +7,7 @@ Version 3.1.1
 
 Enhancements and new features:
 
+    * Please add some sparklines! #1446
     * Add authprovider for cassandra export (thanks to @EmilienMottet) #1395
     * Curses's browser server list sorting added (thanks to @limfreee) #1396
     * ElasticSearch: add date to index, unbreak object push (thanks to @genevera) # 1438

glances/main.py

@@ -240,6 +240,8 @@ Examples of use:
                             dest='fahrenheit', help='display temperature in Fahrenheit (default is Celsius)')
         parser.add_argument('--fs-free-space', action='store_true', default=False,
                             dest='fs_free_space', help='display FS free space instead of used')
+        parser.add_argument('--sparkline', action='store_true', default=False,
+                            dest='sparkline', help='displat sparklines instead of bar in the curses interface')
         parser.add_argument('--theme-white', action='store_true', default=False,
                             dest='theme_white', help='optimize display colors for white background')
         # Globals options

glances/outputs/glances_curses.py

@@ -73,6 +73,7 @@ class _GlancesCurses(object):
         'Q': {'switch': 'enable_irq'},
         'R': {'switch': 'disable_raid'},
         's': {'switch': 'disable_sensors'},
+        'S': {'switch': 'sparkline'},
         'T': {'switch': 'network_sum'},
         'U': {'switch': 'network_cumul'},
         'W': {'switch': 'disable_wifi'},

glances/plugins/glances_plugin.py

@@ -149,19 +149,19 @@ class GlancesPlugin(object):
         except UnicodeDecodeError:
             return json.dumps(d, ensure_ascii=False)
 
-    def _history_enable(self):
+    def history_enable(self):
         return self.args is not None and not self.args.disable_history and self.get_items_history_list() is not None
 
     def init_stats_history(self):
         """Init the stats history (dict of GlancesAttribute)."""
-        if self._history_enable():
+        if self.history_enable():
             init_list = [a['name'] for a in self.get_items_history_list()]
             logger.debug("Stats history activated for plugin {} (items: {})".format(self.plugin_name, init_list))
         return GlancesHistory()
 
     def reset_stats_history(self):
         """Reset the stats history (dict of GlancesAttribute)."""
-        if self._history_enable():
+        if self.history_enable():
             reset_list = [a['name'] for a in self.get_items_history_list()]
             logger.debug("Reset history for plugin {} (items: {})".format(self.plugin_name, reset_list))
             self.stats_history.reset()
@@ -174,7 +174,7 @@ class GlancesPlugin(object):
         else:
             item_name = self.get_key()
         # Build the history
-        if self.get_export() and self._history_enable():
+        if self.get_export() and self.history_enable():
             for i in self.get_items_history_list():
                 if isinstance(self.get_export(), list):
                     # Stats is a list of data

glances/plugins/glances_quicklook.py

@@ -43,6 +43,9 @@ else:
 items_history_list = [{'name': 'cpu',
                        'description': 'CPU percent usage',
                        'y_unit': '%'},
+                      {'name': 'percpu',
+                       'description': 'PERCPU percent usage',
+                       'y_unit': '%'},
                       {'name': 'mem',
                        'description': 'MEM percent usage',
                        'y_unit': '%'},
@@ -120,10 +123,11 @@ class Plugin(GlancesPlugin):
         if not self.stats or self.is_disable():
             return ret
 
-        # Define the data (Sparkline or Bar)
-        # Sparkline is the default behavor (see https://github.com/nicolargo/glances/issues/1446)
-        data = Sparkline(max_width)
-        sparkline_tag = data.available
+        # Define the data: Bar (default behavor) or Sparkline
+        sparkline_tag = False
+        if self.args.sparkline and self.history_enable():
+            data = Sparkline(max_width)
+            sparkline_tag = data.available
         if not sparkline_tag:
             # Fallback to bar if Sparkline module is not installed
             data = Bar(max_width)
@@ -139,13 +143,22 @@ class Plugin(GlancesPlugin):
             ret.append(self.curse_new_line())
         for key in ['cpu', 'mem', 'swap']:
             if key == 'cpu' and args.percpu:
-                for cpu in self.stats['percpu']:
-                    bar.percent = cpu['total']
+                if sparkline_tag:
+                    raw_cpu = self.get_raw_history(item='percpu', nb=data.size)
+                for cpu_index, cpu in enumerate(self.stats['percpu']):
+                    if sparkline_tag:
+                        # Sparkline display an history
+                        data.percents = [i[1][cpu_index]['total'] for i in raw_cpu]
+                        # A simple padding in order to align metrics to the right
+                        data.percents += [None] * (data.size - len(data.percents))
+                    else:
+                        # Bar only the last value
+                        data.percent = cpu['total']
                     if cpu[cpu['key']] < 10:
                         msg = '{:3}{} '.format(key.upper(), cpu['cpu_number'])
                     else:
                         msg = '{:4} '.format(cpu['cpu_number'])
-                    ret.extend(self._msg_create_line(msg, bar, key))
+                    ret.extend(self._msg_create_line(msg, data, key))
                     ret.append(self.curse_new_line())
             else:
                 if sparkline_tag: