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Diffstat (limited to 'services/console/interface/memphis/plugins/cpu')
4 files changed, 79 insertions, 0 deletions
diff --git a/services/console/interface/memphis/plugins/cpu/Makefile.am b/services/console/interface/memphis/plugins/cpu/Makefile.am new file mode 100644 index 0000000..58e9eab --- /dev/null +++ b/services/console/interface/memphis/plugins/cpu/Makefile.am @@ -0,0 +1,6 @@ + +sugardir = $(pkgdatadir)/shell/console/interface/memphis/plugins/cpu +sugar_PYTHON = \ + README \ + __init__.py \ + info.py diff --git a/services/console/interface/memphis/plugins/cpu/README b/services/console/interface/memphis/plugins/cpu/README new file mode 100644 index 0000000..9c7d6f3 --- /dev/null +++ b/services/console/interface/memphis/plugins/cpu/README @@ -0,0 +1,2 @@ +This plugin give support to draw the Virtual Memory Size +usage by the current tracing process. diff --git a/services/console/interface/memphis/plugins/cpu/__init__.py b/services/console/interface/memphis/plugins/cpu/__init__.py new file mode 100644 index 0000000..e22a413 --- /dev/null +++ b/services/console/interface/memphis/plugins/cpu/__init__.py @@ -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 = {} diff --git a/services/console/interface/memphis/plugins/cpu/info.py b/services/console/interface/memphis/plugins/cpu/info.py new file mode 100644 index 0000000..9cb1ad4 --- /dev/null +++ b/services/console/interface/memphis/plugins/cpu/info.py @@ -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 + |