Rework the console to use autoactivation, move it in services/

2007-01-08 18:06:59 +01:00
parent 764eee81e5
commit cae78d7041
54 changed files with 83 additions and 98 deletions
@@ -0,0 +1,6 @@
+
+sugardir = $(pkgdatadir)/shell/console/interface/memphis/plugins/cpu
+sugar_PYTHON =				\
+	README				\
+	__init__.py			\
+	info.py				
@@ -0,0 +1,2 @@
+This plugin give support to draw the Virtual Memory Size 
+usage by the current tracing process. 
@@ -0,0 +1,23 @@
+import os
+import info
+
+INTERNALS = {
+            'PLGNAME': "cpu",
+            'TABNAME': None,
+            'AUTHOR': "Eduardo Silva",
+            'DESC': "Print CPU usage",
+
+            # Plugin API
+            'Plg': None, # Plugin object
+            'current_plg': None, # Current plugin object
+            'current_page': None, # Current page number
+
+            # Top process view requirements
+            'top_data': [int], # Top data types needed by memphis core plugin
+            'top_cols': ["%CPU "] # Column names
+        }
+
+# Get CPU frequency 
+cpu_hz = os.sysconf(2)
+
+pids_ujiffies = {}
@@ -0,0 +1,48 @@
+###########################################################
+# Main function:
+# -----------------
+# self:  self plugin object
+# mself: memphis object / principal class
+# pinfo: row with information about current tracing process
+############################################################
+
+def plg_on_top_data_refresh(self, pinfo):
+    PI = self.INTERNALS['Plg'].proc
+    
+    pid = pinfo['pid']
+    
+    # Get JIFFIES CPU usage
+    used_jiffies = pinfo['utime'] + pinfo['stime']
+    last_ujiffies = get_pid_ujiffies(self, pid)
+    
+    cpu_usage = PI.get_CPU_usage(self.cpu_hz, used_jiffies, pinfo['start_time'])
+
+    # Get PERCENT CPU usage
+    if last_ujiffies == 0.0:
+        pcpu = 0.0
+        set_pid_ujiffies(self, pid, cpu_usage['used_jiffies'])
+        data = [int(pcpu)]
+        return data
+                
+    used_jiffies  = cpu_usage['used_jiffies'] - last_ujiffies
+
+    # Available jiffies are
+    avail_jiffies = (500/1000.0)*self.cpu_hz # 500 = 0.5 second
+    pcpu = ((used_jiffies*100)/avail_jiffies)
+    
+    set_pid_ujiffies(self, pid, cpu_usage['used_jiffies'])
+        
+    data = [int(pcpu)]
+    return data
+
+def get_pid_ujiffies(self, pid):
+    
+    if pid in self.pids_ujiffies:
+        return self.pids_ujiffies[pid]
+    else:
+        set_pid_ujiffies(self, pid, 0)
+        return self.pids_ujiffies[pid]
+
+def set_pid_ujiffies(self, pid, ujiffies):
+    self.pids_ujiffies[pid] = ujiffies
+