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mLine 3:
Line 3: + + + + − + + + − + − + − + Line 21:
Line 27: − + − + + + + + + + + + + + − + exe = os.path.basename(os.path.realpath("/proc/%d/exe" % pid)) − + if exe.startswith(cmd): − + cmd=exe #show non truncated version − + #Note because we show the non truncated name − + #one can have separated programs as follows: − + #584.0 KiB + 1.0 MiB = 1.6 MiB mozilla-thunder (exe -> bash) − + # 56.0 MiB + 22.2 MiB = 78.2 MiB mozilla-thunderbird-bin + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Development Team/Profiling (view source)
Revision as of 21:33, 23 February 2010
, 21:33, 23 February 2010moved Walter is a wanker 12/Profiling to Development Team/Profiling over redirect: revert
===Memory===
===Memory===
====ps_mem====
====ps_mem====
Try to determine how much RAM is currently being used per program.
The shared RAM is problematic to calculate, and this script automatically
selects the most accurate method available for your kernel.
:original script at http://www.pixelbeat.org/scripts/ps_mem.py
:original script at http://www.pixelbeat.org/scripts/ps_mem.py
:patched version at http://dev.laptop.org/~rlucchese/scripts/ps_mem
The following patch makes the script output the processes pids and cmd-lines instead of their names when possible.
:__patched__ version at http://dev.laptop.org/~rlucchese/utils/ps_mem.py
:patch:
:patch:
<pre>
<pre>
--- ps_mem.orig 2008-07-22 08:00:58.000000000 +0200
--- ps_mem.py.orig 2008-08-29 09:30:29.000000000 +0200
+++ ps_mem 2008-08-25 10:01:35.000000000 +0200
+++ ps_mem 2008-08-29 09:43:49.000000000 +0200
@@ -117,14 +117,16 @@
@@ -117,17 +117,23 @@
return (Private, Shared)
return (Private, Shared)
- #584.0 KiB + 1.0 MiB = 1.6 MiB mozilla-thunder (exe -> bash)
- #584.0 KiB + 1.0 MiB = 1.6 MiB mozilla-thunder (exe -> bash)
- # 56.0 MiB + 22.2 MiB = 78.2 MiB mozilla-thunderbird-bin
- # 56.0 MiB + 22.2 MiB = 78.2 MiB mozilla-thunderbird-bin
+ cmd = file("/proc/%d/cmdline" % pid).readline()[:60]
+ cmd = file("/proc/%d/cmdline" % pid).readline()
+ if not len(cmd):
+ if len(cmd):
+ # cmdline has a bogus format
+ cmd_temp = ''
+ for i in range(0,len(cmd) -1):
+ if ord(cmd[i])<ord(' ') or ord(cmd[i])>ord('~'):
+ cmd_temp += ' '
+ else:
+ cmd_temp += cmd[i]
+
+ cmd = cmd_temp
+ else:
+ cmd = file("/proc/%d/status" % pid).readline()[6:-1]
+ cmd = file("/proc/%d/status" % pid).readline()[6:-1]
return cmd
return cmd
cmds={}
cmds={}
+pids={}
shareds={}
count={}
for pid in os.listdir("/proc/"):
@@ -155,10 +161,8 @@
else:
shareds[cmd]=shared
cmds[cmd]=cmds.setdefault(cmd,0)+private
- if count.has_key(cmd):
- count[cmd] += 1
- else:
- count[cmd] = 1
+
+ pids[cmd] = pid
#Add shared mem for each program
total=0
@@ -185,16 +189,16 @@
else:
return cmd
-print " Private + Shared = RAM used\tProgram \n"
+print " Private + Shared = RAM used\tPID\tProgram \n"
for cmd in sort_list:
- print "%8sB + %8sB = %8sB\t%s" % (human(cmd[1]-shareds[cmd[0]]),
+ print "%8sB + %8sB = %8sB\t%d\t%s" % (human(cmd[1]-shareds[cmd[0]]),
human(shareds[cmd[0]]), human(cmd[1]),
- cmd_with_count(cmd[0], count[cmd[0]]))
+ pids[cmd[0]], cmd[0])
if have_pss:
print "-" * 33
print " " * 24 + "%8sB" % human(total)
print "=" * 33
-print "\n Private + Shared = RAM used\tProgram \n"
+print " Private + Shared = RAM used\tPID\tProgram \n"
#Warn of possible inaccuracies
#2 = accurate & can total
</pre>
</pre>