upt-gui: implement details view (cbb94f1) - uproctrace · BlinkenArea

upt-gui: implement details view

Stefan Schuermans commited on 2020-05-24 10:00:54
Showing 2 changed files, with 213 additions and 23 deletions.

upt-gui/upt-gui.glade 08b732f..60ab980
upt-gui/upt-gui.py feb3eff..68c4622

@@ -2,6 +2,14 @@
 <!-- Generated with glade 3.22.1 -->
 <interface>
   <requires lib="gtk+" version="3.20"/>
+  <object class="GtkTreeStore" id="DetailsTree">
+    <columns>
+      <!-- column-name key -->
+      <column type="gchararray"/>
+      <!-- column-name value -->
+      <column type="gchararray"/>
+    </columns>
+  </object>
   <object class="GtkTreeStore" id="ProcessesTree">
     <columns>
       <!-- column-name proc_id -->
@@ -42,16 +50,16 @@
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="model">ProcessesTree</property>
-                    <property name="reorderable">True</property>
                     <property name="rules_hint">True</property>
                     <property name="search_column">0</property>
                     <property name="fixed_height_mode">True</property>
                     <property name="enable_tree_lines">True</property>
+                    <signal name="cursor-changed" handler="onProcessesCursorChanged" swapped="no"/>
                     <child internal-child="selection">
                       <object class="GtkTreeSelection"/>
                     </child>
                     <child>
-                      <object class="GtkTreeViewColumn" id="Begin">
+                      <object class="GtkTreeViewColumn" id="ProcessesBeginCol">
                         <property name="resizable">True</property>
                         <property name="sizing">fixed</property>
                         <property name="title" translatable="yes">Begin</property>
@@ -60,7 +68,7 @@
                         <property name="sort_indicator">True</property>
                         <property name="sort_column_id">0</property>
                         <child>
-                          <object class="GtkCellRendererText" id="BeginText"/>
+                          <object class="GtkCellRendererText" id="ProcessesBeginText"/>
                           <attributes>
                             <attribute name="text">1</attribute>
                           </attributes>
@@ -68,7 +76,7 @@
                       </object>
                     </child>
                     <child>
-                      <object class="GtkTreeViewColumn" id="End">
+                      <object class="GtkTreeViewColumn" id="ProcessesEndCol">
                         <property name="resizable">True</property>
                         <property name="sizing">fixed</property>
                         <property name="title" translatable="yes">End</property>
@@ -77,7 +85,7 @@
                         <property name="sort_indicator">True</property>
                         <property name="sort_column_id">1</property>
                         <child>
-                          <object class="GtkCellRendererText" id="EndText"/>
+                          <object class="GtkCellRendererText" id="ProcessesEndText"/>
                           <attributes>
                             <attribute name="text">2</attribute>
                           </attributes>
@@ -85,7 +93,7 @@
                       </object>
                     </child>
                     <child>
-                      <object class="GtkTreeViewColumn" id="Command">
+                      <object class="GtkTreeViewColumn" id="ProcessesCommandCol">
                         <property name="resizable">True</property>
                         <property name="sizing">fixed</property>
                         <property name="title" translatable="yes">Command</property>
@@ -94,7 +102,7 @@
                         <property name="sort_indicator">True</property>
                         <property name="sort_column_id">2</property>
                         <child>
-                          <object class="GtkCellRendererText" id="CommandText"/>
+                          <object class="GtkCellRendererText" id="ProcessesCommandText"/>
                           <attributes>
                             <attribute name="text">3</attribute>
                           </attributes>
@@ -111,7 +119,66 @@
               </packing>
             </child>
             <child>
-              <placeholder/>
+              <object class="GtkScrolledWindow" id="DetailsScroll">
+                <property name="width_request">256</property>
+                <property name="height_request">256</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="shadow_type">in</property>
+                <child>
+                  <object class="GtkTreeView" id="DetailsView">
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="model">DetailsTree</property>
+                    <property name="rules_hint">True</property>
+                    <property name="search_column">0</property>
+                    <property name="fixed_height_mode">True</property>
+                    <property name="enable_tree_lines">True</property>
+                    <child internal-child="selection">
+                      <object class="GtkTreeSelection"/>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="DetailsKeyCol">
+                        <property name="resizable">True</property>
+                        <property name="sizing">fixed</property>
+                        <property name="title" translatable="yes">Key</property>
+                        <property name="clickable">True</property>
+                        <property name="reorderable">True</property>
+                        <property name="sort_indicator">True</property>
+                        <property name="sort_column_id">0</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="DetailsKeyText"/>
+                          <attributes>
+                            <attribute name="text">0</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="DetailsValueCol">
+                        <property name="resizable">True</property>
+                        <property name="sizing">fixed</property>
+                        <property name="title" translatable="yes">Value</property>
+                        <property name="clickable">True</property>
+                        <property name="reorderable">True</property>
+                        <property name="sort_indicator">True</property>
+                        <property name="sort_column_id">1</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="DetailsValueText"/>
+                          <attributes>
+                            <attribute name="text">1</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
             </child>
           </object>
           <packing>

upt-gui/upt-gui.py

View file @ cbb94f1

@@ -1,16 +1,11 @@
 #! /usr/bin/env python3
 
-import cairo
-import datetime
 import gi
 import os
 import shlex
 import sys
 import time
-gi.require_version('Gdk', '3.0')
 gi.require_version('Gtk', '3.0')
-from gi.repository import Gdk
-from gi.repository import GLib
 from gi.repository import Gtk
 
 import uproctrace.processes
@@ -21,15 +16,77 @@ def cmdline2str(cmdline: list) -> str:
     Convert command line to string.
     """
     if cmdline is None:
-        return "???"
+        return '???'
     return ' '.join([shlex.quote(s) for s in cmdline])
 
+
+def duration2str(duration: float) -> str:
+    """
+    Convert duration to string.
+    """
+    if duration is None:
+        return '???'
+    # split into day, hours, minutes, seconds
+    s = int(duration)
+    m = s // 60
+    s = s % 60
+    h = m // 60
+    m = m % 60
+    d = h // 24
+    h = h % 24
+    # split into ms, us, ns
+    ns = int((duration - s) * 1e9)
+    us = ns // 1000
+    ns = ns % 1000
+    ms = us // 1000
+    us = us % 1000
+    # assemble text
+    txt = ''
+    if d > 0:
+        txt += f'{d:d} d '
+    if h > 0 or txt:
+        txt += f'{h:d} h '
+    if m > 0 or txt:
+        txt += f'{m:d} m '
+    if s > 0 or txt:
+        txt += f'{s:d} s '
+    if ms > 0 or txt:
+        txt += f'{ms:d} ms '
+    if us > 0 or txt:
+        txt += f'{us:d} us '
+    txt += f'{ns:d} ns '
+    txt += f'({duration:f} s)'
+    return txt
+
+
+def kb2str(kb: int) -> str:
+    """
+    Convert size in KiB to string.
+    """
+    if kb is None:
+        return '???'
+    # split into GiB, MiB, KiB
+    mib = kb // 1024
+    kib = kb % 1024
+    gib = mib // 1024
+    mib = mib % 1024
+    # assemble text
+    txt = ''
+    if gib > 0:
+        txt += f'{gib:d} GiB '
+    if mib > 0 or txt:
+        txt += f'{mib:d} MiB '
+    txt += f'{kib:d} KiB '
+    txt += f'({kb:d} KiB)'
+    return txt
+
+
 def timestamp2str(timestamp: float) -> str:
     """
     Convert a timestamp to a human-reable time string."
     """
     if timestamp is None:
-        return "???"
+        return '???'
     sec = int(timestamp)
     nsec = int((timestamp - sec) * 1e9)
     time_str = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(sec))
@@ -37,6 +94,14 @@ def timestamp2str(timestamp: float) -> str:
 
 
 class UptGui:
+
+    DETAIL_KEY = 0
+    DETAIL_VALUE = 1
+    PROC_PROC_ID = 0
+    PROC_BEGIN = 1
+    PROC_END = 2
+    PROC_COMMAND = 3
+
     def __init__(self, proto_filename):
         """
         Construct the GUI.
@@ -44,9 +109,14 @@ class UptGui:
         self.builder = Gtk.Builder()
         script_dir = os.path.dirname(os.path.abspath(__file__))
         self.builder.add_from_file(os.path.join(script_dir, 'upt-gui.glade'))
+        self.widDetailsTree = self.builder.get_object('DetailsTree')
+        self.widDetailsView = self.builder.get_object('DetailsView')
         self.widProcessesTree = self.builder.get_object('ProcessesTree')
         self.widProcessesView = self.builder.get_object('ProcessesView')
-        handlers = {'onDestroy': self.onDestroy}
+        handlers = {
+            'onDestroy': self.onDestroy,
+            'onProcessesCursorChanged': self.onProcessesCursorChanged
+        }
         self.builder.connect_signals(handlers)
         # open trace file
         self.openTrace(proto_filename)
@@ -57,17 +127,65 @@ class UptGui:
         """
         Gtk.main_quit()
 
+    def onProcessesCursorChanged(self, widget):
+        """
+        Cursor changed in processes tree view.
+        """
+        # get proc_id of selected process
+        proc_id = None
+        proc_sel = self.widProcessesView.get_selection()
+        if proc_sel is not None:
+            proc_iter = proc_sel.get_selected()[1]
+            if proc_iter is not None:
+                proc_id = self.widProcessesTree.get_value(
+                    proc_iter, self.PROC_PROC_ID)
+        # forget old details
+        self.widDetailsTree.clear()
+        # leave if no process selected
+        if proc_id is None:
+            return
+        # get process, leave if not found
+        proc = self.processes.getProcess(proc_id)
+        if proc is None:
+            return
+        # add details of new process
+        def add(key: str, value: str, parent_iter = None):
+            detail_iter = self.widDetailsTree.append(parent_iter)
+            self.widDetailsTree.set_value(detail_iter, self.DETAIL_KEY, key)
+            self.widDetailsTree.set_value(detail_iter, self.DETAIL_VALUE,
+                                          value)
+            return detail_iter
+
+        def add_list(key: str, values: list, parent_iter = None):
+            if values is None:
+                return add(key, '???', parent_iter)
+            list_iter = add(key, f'{len(values):d} entries', parent_iter)
+            for i, value in enumerate(values):
+                add(f'{key} {i:d}', value, list_iter)
+
+        add('begin time', timestamp2str(proc.begin_timestamp))
+        add_list('command line', proc.cmdline)
+        add('CPU time', duration2str(proc.cpu_time))
+        add('end time', timestamp2str(proc.end_timestamp))
+        add_list('environment', sorted(proc.environ))
+        add('executable', proc.exe)
+        add('max. resident memory', kb2str(proc.max_rss_kb))
+        add('system CPU time', duration2str(proc.sys_time))
+        add('user CPU time', duration2str(proc.user_time))
+        add('working directory', proc.cwd)
+        # TODO
+
     def openTrace(self, proto_filename: str):
         """
         Open a trace file.
         """
-        # forget old data
+        # forget old processes
         self.widProcessesTree.clear()
         # lead new data
         with open(proto_filename, 'rb') as proto_file:
-            self._processes = uproctrace.processes.Processes(proto_file)
+            self.processes = uproctrace.processes.Processes(proto_file)
         # add processes to processes tree store
-        to_be_output = [(self._processes.toplevel, None)]
+        to_be_output = [(self.processes.toplevel, None)]
         while to_be_output:
             procs, parent_iter = to_be_output[-1]
             if not procs:
@@ -76,10 +194,15 @@ class UptGui:
             proc = procs[0]
             del procs[0]
             proc_iter = self.widProcessesTree.append(parent_iter)
-            self.widProcessesTree.set_value(proc_iter, 0, proc.proc_id)
-            self.widProcessesTree.set_value(proc_iter, 1, timestamp2str(proc.begin_timestamp))
-            self.widProcessesTree.set_value(proc_iter, 2, timestamp2str(proc.end_timestamp))
-            self.widProcessesTree.set_value(proc_iter, 3, cmdline2str(proc.cmdline))
+            self.widProcessesTree.set_value(proc_iter, self.PROC_PROC_ID,
+                                            proc.proc_id)
+            self.widProcessesTree.set_value(
+                proc_iter, self.PROC_BEGIN,
+                timestamp2str(proc.begin_timestamp))
+            self.widProcessesTree.set_value(proc_iter, self.PROC_END,
+                                            timestamp2str(proc.end_timestamp))
+            self.widProcessesTree.set_value(proc_iter, self.PROC_COMMAND,
+                                            cmdline2str(proc.cmdline))
             to_be_output.append((proc.children, proc_iter))
         # show all processes
         self.widProcessesView.expand_all()


...	...	@@ -2,6 +2,14 @@
2	2	<!-- Generated with glade 3.22.1 -->
3	3	<interface>
4	4	<requires lib="gtk+" version="3.20"/>
	5	+ <object class="GtkTreeStore" id="DetailsTree">
	6	+ <columns>
	7	+ <!-- column-name key -->
	8	+ <column type="gchararray"/>
	9	+ <!-- column-name value -->
	10	+ <column type="gchararray"/>
	11	+ </columns>
	12	+ </object>
5	13	<object class="GtkTreeStore" id="ProcessesTree">
6	14	<columns>
7	15	<!-- column-name proc_id -->
...	...	@@ -42,16 +50,16 @@
42	50	<property name="visible">True</property>
43	51	<property name="can_focus">True</property>
44	52	<property name="model">ProcessesTree</property>
45		- <property name="reorderable">True</property>
46	53	<property name="rules_hint">True</property>
47	54	<property name="search_column">0</property>
48	55	<property name="fixed_height_mode">True</property>
49	56	<property name="enable_tree_lines">True</property>
	57	+ <signal name="cursor-changed" handler="onProcessesCursorChanged" swapped="no"/>
50	58	<child internal-child="selection">
51	59	<object class="GtkTreeSelection"/>
52	60	</child>
53	61	<child>
54		- <object class="GtkTreeViewColumn" id="Begin">
	62	+ <object class="GtkTreeViewColumn" id="ProcessesBeginCol">
55	63	<property name="resizable">True</property>
56	64	<property name="sizing">fixed</property>
57	65	<property name="title" translatable="yes">Begin</property>
...	...	@@ -60,7 +68,7 @@
60	68	<property name="sort_indicator">True</property>
61	69	<property name="sort_column_id">0</property>
62	70	<child>
63		- <object class="GtkCellRendererText" id="BeginText"/>
	71	+ <object class="GtkCellRendererText" id="ProcessesBeginText"/>
64	72	<attributes>
65	73	<attribute name="text">1</attribute>
66	74	</attributes>
...	...	@@ -68,7 +76,7 @@
68	76	</object>
69	77	</child>
70	78	<child>
71		- <object class="GtkTreeViewColumn" id="End">
	79	+ <object class="GtkTreeViewColumn" id="ProcessesEndCol">
72	80	<property name="resizable">True</property>
73	81	<property name="sizing">fixed</property>
74	82	<property name="title" translatable="yes">End</property>
...	...	@@ -77,7 +85,7 @@
77	85	<property name="sort_indicator">True</property>
78	86	<property name="sort_column_id">1</property>
79	87	<child>
80		- <object class="GtkCellRendererText" id="EndText"/>
	88	+ <object class="GtkCellRendererText" id="ProcessesEndText"/>
81	89	<attributes>
82	90	<attribute name="text">2</attribute>
83	91	</attributes>
...	...	@@ -85,7 +93,7 @@
85	93	</object>
86	94	</child>
87	95	<child>
88		- <object class="GtkTreeViewColumn" id="Command">
	96	+ <object class="GtkTreeViewColumn" id="ProcessesCommandCol">
89	97	<property name="resizable">True</property>
90	98	<property name="sizing">fixed</property>
91	99	<property name="title" translatable="yes">Command</property>
...	...	@@ -94,7 +102,7 @@
94	102	<property name="sort_indicator">True</property>
95	103	<property name="sort_column_id">2</property>
96	104	<child>
97		- <object class="GtkCellRendererText" id="CommandText"/>
	105	+ <object class="GtkCellRendererText" id="ProcessesCommandText"/>
98	106	<attributes>
99	107	<attribute name="text">3</attribute>
100	108	</attributes>
...	...	@@ -111,7 +119,66 @@
111	119	</packing>
112	120	</child>
113	121	<child>
114		- <placeholder/>
	122	+ <object class="GtkScrolledWindow" id="DetailsScroll">
	123	+ <property name="width_request">256</property>
	124	+ <property name="height_request">256</property>
	125	+ <property name="visible">True</property>
	126	+ <property name="can_focus">True</property>
	127	+ <property name="shadow_type">in</property>
	128	+ <child>
	129	+ <object class="GtkTreeView" id="DetailsView">
	130	+ <property name="visible">True</property>
	131	+ <property name="can_focus">True</property>
	132	+ <property name="model">DetailsTree</property>
	133	+ <property name="rules_hint">True</property>
	134	+ <property name="search_column">0</property>
	135	+ <property name="fixed_height_mode">True</property>
	136	+ <property name="enable_tree_lines">True</property>
	137	+ <child internal-child="selection">
	138	+ <object class="GtkTreeSelection"/>
	139	+ </child>
	140	+ <child>
	141	+ <object class="GtkTreeViewColumn" id="DetailsKeyCol">
	142	+ <property name="resizable">True</property>
	143	+ <property name="sizing">fixed</property>
	144	+ <property name="title" translatable="yes">Key</property>
	145	+ <property name="clickable">True</property>
	146	+ <property name="reorderable">True</property>
	147	+ <property name="sort_indicator">True</property>
	148	+ <property name="sort_column_id">0</property>
	149	+ <child>
	150	+ <object class="GtkCellRendererText" id="DetailsKeyText"/>
	151	+ <attributes>
	152	+ <attribute name="text">0</attribute>
	153	+ </attributes>
	154	+ </child>
	155	+ </object>
	156	+ </child>
	157	+ <child>
	158	+ <object class="GtkTreeViewColumn" id="DetailsValueCol">
	159	+ <property name="resizable">True</property>
	160	+ <property name="sizing">fixed</property>
	161	+ <property name="title" translatable="yes">Value</property>
	162	+ <property name="clickable">True</property>
	163	+ <property name="reorderable">True</property>
	164	+ <property name="sort_indicator">True</property>
	165	+ <property name="sort_column_id">1</property>
	166	+ <child>
	167	+ <object class="GtkCellRendererText" id="DetailsValueText"/>
	168	+ <attributes>
	169	+ <attribute name="text">1</attribute>
	170	+ </attributes>
	171	+ </child>
	172	+ </object>
	173	+ </child>
	174	+ </object>
	175	+ </child>
	176	+ </object>
	177	+ <packing>
	178	+ <property name="expand">True</property>
	179	+ <property name="fill">True</property>
	180	+ <property name="position">1</property>
	181	+ </packing>
115	182	</child>
116	183	</object>
117	184	<packing>

...	...	@@ -1,16 +1,11 @@
1	1	#! /usr/bin/env python3
2	2
3		-import cairo
4		-import datetime
5	3	import gi
6	4	import os
7	5	import shlex
8	6	import sys
9	7	import time
10		-gi.require_version('Gdk', '3.0')
11	8	gi.require_version('Gtk', '3.0')
12		-from gi.repository import Gdk
13		-from gi.repository import GLib
14	9	from gi.repository import Gtk
15	10
16	11	import uproctrace.processes
...	...	@@ -21,15 +16,77 @@ def cmdline2str(cmdline: list) -> str:
21	16	Convert command line to string.
22	17	"""
23	18	if cmdline is None:
24		- return "???"
	19	+ return '???'
25	20	return ' '.join([shlex.quote(s) for s in cmdline])
26	21
	22	+
	23	+def duration2str(duration: float) -> str:
	24	+ """
	25	+ Convert duration to string.
	26	+ """
	27	+ if duration is None:
	28	+ return '???'
	29	+ # split into day, hours, minutes, seconds
	30	+ s = int(duration)
	31	+ m = s // 60
	32	+ s = s % 60
	33	+ h = m // 60
	34	+ m = m % 60
	35	+ d = h // 24
	36	+ h = h % 24
	37	+ # split into ms, us, ns
	38	+ ns = int((duration - s) * 1e9)
	39	+ us = ns // 1000
	40	+ ns = ns % 1000
	41	+ ms = us // 1000
	42	+ us = us % 1000
	43	+ # assemble text
	44	+ txt = ''
	45	+ if d > 0:
	46	+ txt += f'{d:d} d '
	47	+ if h > 0 or txt:
	48	+ txt += f'{h:d} h '
	49	+ if m > 0 or txt:
	50	+ txt += f'{m:d} m '
	51	+ if s > 0 or txt:
	52	+ txt += f'{s:d} s '
	53	+ if ms > 0 or txt:
	54	+ txt += f'{ms:d} ms '
	55	+ if us > 0 or txt:
	56	+ txt += f'{us:d} us '
	57	+ txt += f'{ns:d} ns '
	58	+ txt += f'({duration:f} s)'
	59	+ return txt
	60	+
	61	+
	62	+def kb2str(kb: int) -> str:
	63	+ """
	64	+ Convert size in KiB to string.
	65	+ """
	66	+ if kb is None:
	67	+ return '???'
	68	+ # split into GiB, MiB, KiB
	69	+ mib = kb // 1024
	70	+ kib = kb % 1024
	71	+ gib = mib // 1024
	72	+ mib = mib % 1024
	73	+ # assemble text
	74	+ txt = ''
	75	+ if gib > 0:
	76	+ txt += f'{gib:d} GiB '
	77	+ if mib > 0 or txt:
	78	+ txt += f'{mib:d} MiB '
	79	+ txt += f'{kib:d} KiB '
	80	+ txt += f'({kb:d} KiB)'
	81	+ return txt
	82	+
	83	+
27	84	def timestamp2str(timestamp: float) -> str:
28	85	"""
29	86	Convert a timestamp to a human-reable time string."
30	87	"""
31	88	if timestamp is None:
32		- return "???"
	89	+ return '???'
33	90	sec = int(timestamp)
34	91	nsec = int((timestamp - sec) * 1e9)
35	92	time_str = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(sec))
...	...	@@ -37,6 +94,14 @@ def timestamp2str(timestamp: float) -> str:
37	94
38	95
39	96	class UptGui:
	97	+
	98	+ DETAIL_KEY = 0
	99	+ DETAIL_VALUE = 1
	100	+ PROC_PROC_ID = 0
	101	+ PROC_BEGIN = 1
	102	+ PROC_END = 2
	103	+ PROC_COMMAND = 3
	104	+
40	105	def __init__(self, proto_filename):
41	106	"""
42	107	Construct the GUI.
...	...	@@ -44,9 +109,14 @@ class UptGui:
44	109	self.builder = Gtk.Builder()
45	110	script_dir = os.path.dirname(os.path.abspath(__file__))
46	111	self.builder.add_from_file(os.path.join(script_dir, 'upt-gui.glade'))
	112	+ self.widDetailsTree = self.builder.get_object('DetailsTree')
	113	+ self.widDetailsView = self.builder.get_object('DetailsView')
47	114	self.widProcessesTree = self.builder.get_object('ProcessesTree')
48	115	self.widProcessesView = self.builder.get_object('ProcessesView')
49		- handlers = {'onDestroy': self.onDestroy}
	116	+ handlers = {
	117	+ 'onDestroy': self.onDestroy,
	118	+ 'onProcessesCursorChanged': self.onProcessesCursorChanged
	119	+ }
50	120	self.builder.connect_signals(handlers)
51	121	# open trace file
52	122	self.openTrace(proto_filename)
...	...	@@ -57,17 +127,65 @@ class UptGui:
57	127	"""
58	128	Gtk.main_quit()
59	129
	130	+ def onProcessesCursorChanged(self, widget):
	131	+ """
	132	+ Cursor changed in processes tree view.
	133	+ """
	134	+ # get proc_id of selected process
	135	+ proc_id = None
	136	+ proc_sel = self.widProcessesView.get_selection()
	137	+ if proc_sel is not None:
	138	+ proc_iter = proc_sel.get_selected()[1]
	139	+ if proc_iter is not None:
	140	+ proc_id = self.widProcessesTree.get_value(
	141	+ proc_iter, self.PROC_PROC_ID)
	142	+ # forget old details
	143	+ self.widDetailsTree.clear()
	144	+ # leave if no process selected
	145	+ if proc_id is None:
	146	+ return
	147	+ # get process, leave if not found
	148	+ proc = self.processes.getProcess(proc_id)
	149	+ if proc is None:
	150	+ return
	151	+ # add details of new process
	152	+ def add(key: str, value: str, parent_iter = None):
	153	+ detail_iter = self.widDetailsTree.append(parent_iter)
	154	+ self.widDetailsTree.set_value(detail_iter, self.DETAIL_KEY, key)
	155	+ self.widDetailsTree.set_value(detail_iter, self.DETAIL_VALUE,
	156	+ value)
	157	+ return detail_iter
	158	+
	159	+ def add_list(key: str, values: list, parent_iter = None):
	160	+ if values is None:
	161	+ return add(key, '???', parent_iter)
	162	+ list_iter = add(key, f'{len(values):d} entries', parent_iter)
	163	+ for i, value in enumerate(values):
	164	+ add(f'{key} {i:d}', value, list_iter)
	165	+
	166	+ add('begin time', timestamp2str(proc.begin_timestamp))
	167	+ add_list('command line', proc.cmdline)
	168	+ add('CPU time', duration2str(proc.cpu_time))
	169	+ add('end time', timestamp2str(proc.end_timestamp))
	170	+ add_list('environment', sorted(proc.environ))
	171	+ add('executable', proc.exe)
	172	+ add('max. resident memory', kb2str(proc.max_rss_kb))
	173	+ add('system CPU time', duration2str(proc.sys_time))
	174	+ add('user CPU time', duration2str(proc.user_time))
	175	+ add('working directory', proc.cwd)
	176	+ # TODO
	177	+
60	178	def openTrace(self, proto_filename: str):
61	179	"""
62	180	Open a trace file.
63	181	"""
64		- # forget old data
	182	+ # forget old processes
65	183	self.widProcessesTree.clear()
66	184	# lead new data
67	185	with open(proto_filename, 'rb') as proto_file:
68		- self._processes = uproctrace.processes.Processes(proto_file)
	186	+ self.processes = uproctrace.processes.Processes(proto_file)
69	187	# add processes to processes tree store
70		- to_be_output = [(self._processes.toplevel, None)]
	188	+ to_be_output = [(self.processes.toplevel, None)]
71	189	while to_be_output:
72	190	procs, parent_iter = to_be_output[-1]
73	191	if not procs:
...	...	@@ -76,10 +194,15 @@ class UptGui:
76	194	proc = procs[0]
77	195	del procs[0]
78	196	proc_iter = self.widProcessesTree.append(parent_iter)
79		- self.widProcessesTree.set_value(proc_iter, 0, proc.proc_id)
80		- self.widProcessesTree.set_value(proc_iter, 1, timestamp2str(proc.begin_timestamp))
81		- self.widProcessesTree.set_value(proc_iter, 2, timestamp2str(proc.end_timestamp))
82		- self.widProcessesTree.set_value(proc_iter, 3, cmdline2str(proc.cmdline))
	197	+ self.widProcessesTree.set_value(proc_iter, self.PROC_PROC_ID,
	198	+ proc.proc_id)
	199	+ self.widProcessesTree.set_value(
	200	+ proc_iter, self.PROC_BEGIN,
	201	+ timestamp2str(proc.begin_timestamp))
	202	+ self.widProcessesTree.set_value(proc_iter, self.PROC_END,
	203	+ timestamp2str(proc.end_timestamp))
	204	+ self.widProcessesTree.set_value(proc_iter, self.PROC_COMMAND,
	205	+ cmdline2str(proc.cmdline))
83	206	to_be_output.append((proc.children, proc_iter))
84	207	# show all processes
85	208	self.widProcessesView.expand_all()
86	209