[tor-commits] [arm/master] Dropping the sysTools module

[atagar@xxxxxxxxxxxxxx]

commit c419c030cf727d27b8eb10bcf3695aad19855f54
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Wed Jan 8 08:58:07 2014 -0800

    Dropping the sysTools module
    
    The last function of arm's sysTools module was getSysCpuUsage() which was
    broken by our move to stem.
    
    When we revise the header panel we'll need to address this by adding a wrapper
    around stem's call() function to get its runtimes. For how just leaving this as
    a todo note, though.
---
 arm/headerPanel.py   |    4 ++--
 arm/util/sysTools.py |   29 -----------------------------
 2 files changed, 2 insertions(+), 31 deletions(-)

diff --git a/arm/headerPanel.py b/arm/headerPanel.py
index 00796a1..158b826 100644
--- a/arm/headerPanel.py
+++ b/arm/headerPanel.py
@@ -28,7 +28,7 @@ import arm.starter
 import arm.popups
 import arm.controller
 
-from util import panel, sysTools, torTools, uiTools
+from util import panel, torTools, uiTools
 
 # minimum width for which panel attempts to double up contents (two columns to
 # better use screen real estate)
@@ -574,7 +574,7 @@ class HeaderPanel(panel.Panel, threading.Thread):
     armCpuDelta = totalArmCpuTime - self._armCpuSampling[0]
     armTimeDelta = currentTime - self._armCpuSampling[1]
     pythonCpuTime = armCpuDelta / armTimeDelta
-    sysCallCpuTime = sysTools.getSysCpuUsage()
+    sysCallCpuTime = 0.0  # TODO: add a wrapper around call() to get this
     self.vals["stat/%armCpu"] = "%0.1f" % (100 * (pythonCpuTime + sysCallCpuTime))
     self._armCpuSampling = (totalArmCpuTime, currentTime)
 
diff --git a/arm/util/sysTools.py b/arm/util/sysTools.py
deleted file mode 100644
index 668a56a..0000000
--- a/arm/util/sysTools.py
+++ /dev/null
@@ -1,29 +0,0 @@
-"""
-Helper functions for working with the underlying system.
-"""
-
-import time
-
-# Runtimes for system calls, used to estimate cpu usage. Entries are tuples of
-# the form:
-# (time called, runtime)
-RUNTIMES = []
-SAMPLING_PERIOD = 5 # time of the sampling period
-
-def getSysCpuUsage():
-  """
-  Provides an estimate of the cpu usage for system calls made through this
-  module, based on a sampling period of five seconds. The os.times() function,
-  unfortunately, doesn't seem to take popen calls into account. This returns a
-  float representing the percentage used.
-  """
-
-  currentTime = time.time()
-
-  # removes any runtimes outside of our sampling period
-  while RUNTIMES and currentTime - RUNTIMES[0][0] > SAMPLING_PERIOD:
-    RUNTIMES.pop(0)
-
-  runtimeSum = sum([entry[1] for entry in RUNTIMES])
-  return runtimeSum / SAMPLING_PERIOD
-



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