[solved...kind of]"xpad" consumes too much CPU power constantly

I have just upgraded xpad from 2.12-1 to 2.13-1 and found this:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5936 bsdson 20 0 53696 14m 9908 R 34.3 2.8 6:52.08 xpad
I don't know what's happened to xpad and I think it's not right!
Some other informations that may help to audit the situation are as follows:
output of "lsof"
[503 ~:bsdson 14:07]$ lsof -p 5936
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
xpad 5936 bsdson cwd DIR 3,3 4096 16578 /home/bsdson
xpad 5936 bsdson rtd DIR 3,3 4096 2 /
xpad 5936 bsdson txt REG 3,3 106784 1167614 /usr/bin/xpad
xpad 5936 bsdson mem REG 3,3 70888 1229138 /lib/libbz2.so.1.0.4
xpad 5936 bsdson mem REG 3,3 1383016 460167 /usr/lib/libxml2.so.2.6.30
xpad 5936 bsdson mem REG 3,3 260714 469032 /usr/lib/libcroco-0.6.so.3.0.1
xpad 5936 bsdson mem REG 3,3 244598 465457 /usr/lib/libgsf-1.so.114.0.7
xpad 5936 bsdson mem REG 3,3 229672 469372 /usr/lib/librsvg-2.so.2.18.2
xpad 5936 bsdson mem REG 3,3 39960 622977 /usr/lib/gtk-2.0/2.10.0/engines/libxfce.so
xpad 5936 bsdson mem REG 3,3 7407 628487 /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so
xpad 5936 bsdson DEL REG 0,8 98307 /SYSV00000000
xpad 5936 bsdson mem REG 3,3 65932 541280 /usr/share/fonts/TTF/Vera.ttf
xpad 5936 bsdson mem REG 3,3 1203565 459788 /usr/lib/libstdc++.so.6.0.9
xpad 5936 bsdson mem REG 3,3 1102863 460619 /usr/lib/libscim-1.0.so.8.2.3
xpad 5936 bsdson mem REG 3,3 97079 835608 /usr/lib/scim-1.0/1.4.0/IMEngine/socket.so
xpad 5936 bsdson mem REG 3,3 32923 938695 /usr/lib/scim-1.0/1.4.0/Config/socket.so
xpad 5936 bsdson mem REG 3,3 192752 938704 /usr/lib/gtk-2.0/immodules/im-scim.so
xpad 5936 bsdson mem REG 3,3 9103 579077 /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
xpad 5936 bsdson mem REG 3,3 110289 458822 /usr/share/locale/zh_TW/LC_MESSAGES/libc.mo
xpad 5936 bsdson mem REG 3,3 20890468 541939 /usr/share/fonts/TTF/uming.ttf
xpad 5936 bsdson mem REG 3,3 64176 1130585 /var/cache/fontconfig/8d4af663993b81a124ee82e610bb31f9-x86.cache-2
xpad 5936 bsdson mem REG 3,3 19808 1130584 /var/cache/fontconfig/a98d8961fa319a64d3cfd8640c79e62d-x86.cache-2
xpad 5936 bsdson mem REG 3,3 12112 1130560 /var/cache/fontconfig/5a02e0a9ca9b27d0aa4bd0c42ba2438d-x86.cache-2
xpad 5936 bsdson mem REG 3,3 60824 1130555 /var/cache/fontconfig/d62e99ef547d1d24cdb1bd22ec1a2976-x86.cache-2
xpad 5936 bsdson mem REG 3,3 184848 1130554 /var/cache/fontconfig/f6b893a7224233d96cb72fd88691c0b4-x86.cache-2
xpad 5936 bsdson mem REG 3,3 284528 1130552 /var/cache/fontconfig/17090aa38d5c6f09fb8c5c354938f1d7-x86.cache-2
xpad 5936 bsdson mem REG 3,3 285224 1130540 /var/cache/fontconfig/df311e82a1a24c41a75c2c930223552e-x86.cache-2
xpad 5936 bsdson mem REG 3,3 5817880 508074 /usr/share/icons/hicolor/icon-theme.cache
xpad 5936 bsdson mem REG 3,3 45839 1229021 /lib/libnss_files-2.7.so
xpad 5936 bsdson mem REG 3,3 17728 474987 /usr/share/locale/zh_TW/LC_MESSAGES/glib20.mo
xpad 5936 bsdson mem REG 3,3 4975 1278022 /usr/share/locale/zh_TW/LC_MESSAGES/xpad.mo
xpad 5936 bsdson mem REG 3,3 99824 469427 /usr/share/locale/zh_TW/LC_MESSAGES/gtk20-properties.mo
xpad 5936 bsdson mem REG 3,3 1541072 557747 /usr/lib/locale/locale-archive
xpad 5936 bsdson mem REG 3,3 20620 459252 /usr/lib/libXdmcp.so.6.0.0
xpad 5936 bsdson mem REG 3,3 9736 468831 /usr/lib/libXau.so.6.0.0
xpad 5936 bsdson mem REG 3,3 164278 464007 /usr/lib/libexpat.so.1.5.2
xpad 5936 bsdson mem REG 3,3 126332 1540527 /usr/lib/libxcb.so.1.0.0
xpad 5936 bsdson mem REG 3,3 6054 471891 /usr/lib/libxcb-xlib.so.0.0.0
xpad 5936 bsdson mem REG 3,3 168315 1231016 /lib/libpcre.so.0.0.1
xpad 5936 bsdson mem REG 3,3 76174 1231017 /lib/libz.so.1.2.3
xpad 5936 bsdson mem REG 3,3 563882 465462 /usr/lib/libfreetype.so.6.3.16
xpad 5936 bsdson mem REG 3,3 211710 475007 /usr/lib/libpangoft2-1.0.so.0.1800.3
xpad 5936 bsdson mem REG 3,3 39845 1540334 /usr/lib/libXcursor.so.1.0.2
xpad 5936 bsdson mem REG 3,3 25962 469760 /usr/lib/libXrandr.so.2.1.0
xpad 5936 bsdson mem REG 3,3 35209 467377 /usr/lib/libXi.so.6.0.0
xpad 5936 bsdson mem REG 3,3 8764 1540137 /usr/lib/libXinerama.so.1.0.0
xpad 5936 bsdson mem REG 3,3 35203 469295 /usr/lib/libXrender.so.1.3.0
xpad 5936 bsdson mem REG 3,3 63628 467168 /usr/lib/libXext.so.6.4.0
xpad 5936 bsdson mem REG 3,3 212151 465792 /usr/lib/libfontconfig.so.1.2.0
xpad 5936 bsdson mem REG 3,3 176772 1229019 /lib/libm-2.7.so
xpad 5936 bsdson mem REG 3,3 156478 464218 /usr/lib/libpng12.so.0.23.0
xpad 5936 bsdson mem REG 3,3 17791 461410 /usr/lib/libXfixes.so.3.1.0
xpad 5936 bsdson mem REG 3,3 8331 469208 /usr/lib/libXdamage.so.1.1.0
xpad 5936 bsdson mem REG 3,3 8800 474244 /usr/lib/libXcomposite.so.1.0.0
xpad 5936 bsdson mem REG 3,3 1045771 1540528 /usr/lib/libX11.so.6.2.0
xpad 5936 bsdson mem REG 3,3 1488269 1229055 /lib/libc-2.7.so
xpad 5936 bsdson mem REG 3,3 786780 465417 /usr/lib/libglib-2.0.so.0.1400.4
xpad 5936 bsdson mem REG 3,3 13474 1229031 /lib/libdl-2.7.so
xpad 5936 bsdson mem REG 3,3 13014 465310 /usr/lib/libgmodule-2.0.so.0.1400.4
xpad 5936 bsdson mem REG 3,3 300452 464093 /usr/lib/libgobject-2.0.so.0.1400.4
xpad 5936 bsdson mem REG 3,3 568682 1540439 /usr/lib/libcairo.so.2.11.6
xpad 5936 bsdson mem REG 3,3 289114 475000 /usr/lib/libpango-1.0.so.0.1800.3
xpad 5936 bsdson mem REG 3,3 44703 474474 /usr/lib/libpangocairo-1.0.so.0.1800.3
xpad 5936 bsdson mem REG 3,3 129100 461455 /usr/lib/libgdk_pixbuf-2.0.so.0.1200.3
xpad 5936 bsdson mem REG 3,3 361631 1540328 /usr/lib/libatk-1.0.so.0.2009.1
xpad 5936 bsdson mem REG 3,3 668823 461445 /usr/lib/libgdk-x11-2.0.so.0.1200.3
xpad 5936 bsdson mem REG 3,3 4429835 461439 /usr/lib/libgtk-x11-2.0.so.0.1200.3
xpad 5936 bsdson mem REG 3,3 97607 1540312 /usr/lib/libICE.so.6.3.0
xpad 5936 bsdson mem REG 3,3 33356 473707 /usr/lib/libSM.so.6.0.0
xpad 5936 bsdson mem REG 3,3 21314 1277960 /usr/share/locale/zh_TW/LC_MESSAGES/scim.mo
xpad 5936 bsdson mem REG 3,3 51006 459861 /usr/lib/libgcc_s.so.1
xpad 5936 bsdson mem REG 3,3 9247 460625 /usr/lib/libscim-x11utils-1.0.so.8.2.3
xpad 5936 bsdson mem REG 3,3 59076 469420 /usr/share/locale/zh_TW/LC_MESSAGES/gtk20.mo
xpad 5936 bsdson mem REG 3,3 127601 1228807 /lib/ld-2.7.so
xpad 5936 bsdson 0r CHR 1,3 6003 /dev/null
xpad 5936 bsdson 1w REG 3,3 3139 23446 /home/bsdson/.xsession-errors
xpad 5936 bsdson 2w REG 3,3 3139 23446 /home/bsdson/.xsession-errors
xpad 5936 bsdson 3u unix 0xdede0600 13342 socket
xpad 5936 bsdson 4u unix 0xdede0c00 13345 /home/bsdson/.config/xpad/server
xpad 5936 bsdson 6u unix 0xde908a00 13424 socket
xpad 5936 bsdson 7u unix 0xde908e00 13426 socket
xpad 5936 bsdson 8u unix 0xde908400 13428 socket
[503 ~:bsdson 14:07]$
and partial of the output from "strace":
socket(PF_FILE, SOCK_STREAM, 0) = 3
connect(3, {sa_family=AF_FILE, path="/tmp/.X11-unix/X0"}, 110) = 0
getpeername(3, {sa_family=AF_FILE, path="/tmp/.X11-unix/X0"}, [20]) = 0
uname({sys="Linux", node="bsdson", ...}) = 0
access("/home/bsdson/.Xauthority", R_OK) = 0
open("/home/bsdson/.Xauthority", O_RDONLY) = 4
fstat64(4, {st_mode=S_IFREG|0600, st_size=548, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7441000
read(4, "\0\0\0\4\300\250\250\245\0\0010\0\22MIT-MAGIC-COOKIE-1\0"..., 4096) = 548
close(4) = 0
munmap(0xb7441000, 4096) = 0
getpid() = 6064
time(NULL) = 1197527142
fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
select(4, [3], [3], NULL, NULL) = 1 (out [3])
writev(3, [{"l\0\v\0\0\0\23\0\30\0", 10}, {"\0\0", 2}, {"XDM-AUTHORIZATION-1", 19}, {"\0", 1}, {"\310\254@g\317\37
read(3, 0x80895f0, 8) = -1 EAGAIN (Resource temporarily unavailable)
select(4, [3], NULL, NULL, NULL) = 1 (in [3])
read(3, "\1\0\v\0\0\0\231\0", 8) = 8
read(3, "\0\261\236\0\0\0\340\0\377\377\37\0\0\1\0\0\24\0\377\377\1\7\0\0 \10\377\264\26\36\10"..., 612) = 612
select(4, [3], [3], NULL, NULL) = 1 (out [3])
writev(3, [{"7\0\5\0\0\0\340\0\203\0\0\0\10\0\0\0\377\377\377\0b\0\5\0\f\0\0\0BIG-"..., 40}], 1) = 40
select(4, [3], [], NULL, NULL) = 1 (in [3])
read(3, "\1\0\2\0\0\0\0\0\1\203\0\0008\252\261\277\313\260\24\10\334\n \10\20\252\261\277(\252\261\277", 4096) = 3
select(4, [3], [3], NULL, NULL) = 1 (out [3])
writev(3, [{"\203\0\1\0", 4}], 1) = 4
select(4, [3], [], NULL, NULL) = 1 (in [3])
read(3, "\1\327\3\0\0\0\0\0\377\377?\0\313\260\24\10\334\n \10\20\252\261\277,\252\261\277X/\35\10", 4096) = 32
select(4, [3], [3], NULL, NULL) = 1 (out [3])
writev(3, [{"\24\0\6\0\203\0\0\0\27\0\0\0\37\0\0\0\0\0\0\0\0\341\365\5", 24}], 1) = 24
select(4, [3], [], NULL, NULL) = 1 (in [3])
read(3, "\1\10\4\0%\0\0\0\37\0\0\0\0\0\0\0\222\0\0\0\313\260\24\10\334\n \10\20\252\261\277"..., 4096) = 180
poll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=9, events=POLLIN}, {fd=9, events=0}, {fd=9, events=0}], 5,
read(3, 0x8089e54, 4096) = -1 EAGAIN (Resource temporarily unavailable)
gettimeofday({1197527190, 966688}, NULL) = 0
poll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=9, events=POLLIN}, {fd=9, events=0}, {fd=9, events=0}], 5,
read(3, 0x8089e54, 4096) = -1 EAGAIN (Resource temporarily unavailable)
gettimeofday({1197527190, 966897}, NULL) = 0
<conitnues forever>
Can anyone help me to audit this?
BR,
bsdson.tw
Last edited by bsdson.tw (2007-12-13 07:00:59)

The "xpad" process constantly tries to read the fd 3 which may be a socket to file "/tmp/.X11-unix/X0".
and this file's information:
srwxrwxrwx 1 root root 0 2007-12-13 12:05 /tmp/.X11-unix/X0

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I'm having problems with Firefox consuming too much RAM memory. Several people are complaining about this but I did some further research before posting here, using about:memory, and I found out that js-non-window and js-main-runtime are causing this.
When I start up a blank Firefox session I immediately have an allocation of 260MB of RAM. About 75-80% of this is taken up by those two js (javascript?) processes.
After opening about 10 tabs with different webpages the RAM usage has gone up to about 750MB. During the time the tabs are open most of the extra MB's are consumed by the window-objects (40MB per page, still seems quite a lot to me for just a news site with one article...) but after closing them the memory usage didn't go down and it transferred to the two already mentioned js processes. This transfer to the js processes is not always the case, it seems to happen only if I open a lot of tabs, let's say 10+ perhaps.
I tried disabling Javascript using the plugin SettingSanity, but this makes browsing quite uncomfortable of course and worst of all it doesn't solve the problem. The mentioned processes keep using the same amount of RAM.
I have this exact same problem on all my computers and laptops so it can't be a coincidence. Is there nothing I can do about this? Is this under investigation? How can a browser with 10 web pages open need almost 800MB of RAM?
And please don't answer "install more RAM". The pc I have most problems with has 2GB of physical RAM and I really do think that opening 10 web pages should be possible on such a computer. Doing the same in Internet Explorer consumes less than half the amount of RAM memory.
P.S: I sent this query using IE because I could't get to this page in Firefox. The "Ask This" button didn't work...

Try in Firefox's safe mode disable all plugins, and open with only a new tab set by using ''about:blank'' . As suggested above also consider as a test creating and using a new Firefox profile.
When I start like that I have around 70MB explicit shown in ''about:memory'' and that includes ''js-non-window'' of around 30MB
I know in the past I have opened more than 10 tabs on a machine with less than 1GB ram installed and not noticed problems.

HT1695 Recently my iphone is consuming too much data, I have installed a data monitoring app and I found that - although I turned off all notifications and push email - push services is using around a 1mega/hour from cellular data (even if I am using wi-f

Recently my iphone is consuming too much data, I have installed a data monitoring app and I found that - although I turned off all notifications and push email - push services is using around a 1mega/hour from cellular data (even if I am using wi-fi) !!!

cpupower frequency-info
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0 1 2 3
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 10.0 us.
hardware limits: 800 MHz - 2.30 GHz
available frequency steps: 2.30 GHz, 2.30 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz
available cpufreq governors: conservative, powersave, ondemand, performance
current policy: frequency should be within 800 MHz and 2.30 GHz.
The governor "conservative" may decide which speed to use
within this range.
current CPU frequency is 800 MHz.
cpufreq stats: 2.30 GHz:0,02%, 2.30 GHz:0,05%, 1.80 GHz:0,05%, 1.60 GHz:0,03%, 1.40 GHz:0,01%, 1.20 GHz:0,16%, 1000 MHz:0,38%, 800 MHz:99,29% (1017)
boost state support:
Supported: yes
Active: yes
25500 MHz max turbo 4 active cores
25500 MHz max turbo 3 active cores
25500 MHz max turbo 2 active cores
25500 MHz max turbo 1 active cores
Thax

Firefox 12 STILL consumes too much memory and periodically stalls

1. This has gone on actually since at least Firefox 8 for many of us. With Windows 7 32 or 64bit, AND we are told OTHER OS's as well, Firefox 12 IS consuming too much memory!
When FF 12 memory consumption "hits" 800MB on a 8 GB machine, and continues to slowly climb, FF 12 has code or other problems.
2. ALSO, Firefox 12 under many circumstances, is slowing to a crawl, especially in opening windows and tabs.
NOTHING we do, inspect with memory tools, etc. seems to point to any "culprits" or guide the way to researching and potentially solving these problems...and they ARE problems within Firefox 12, and likely earlier versions.
TIME TO CLEAR THE AIR?
These are problems being seen by others, with or without any (totally blanked out/disabled) Add-On's and even most Plug-In's being disabled or removed, both for testing the problems sen in FF 12.
There IS a problem, or more than one, here, and it's not isolated or "just refer to this checklist" solvable.
There's problems, perhaps memory leaks and other agenda IN THE CODE.
We users need to stop being poo-poo'ed and "pampered" by needless communications that do nothing to truly address the problems.

I encountered this after the memory leak was mentioned as pat of a slowdown issue with an add-on that has been in use as long as I've been using Firefox (All-in one sidebar -AIOS). After a relatively short length of time under both Firefox 11 and 12 it starts to slow down. Sub menus take more than a second to show up when the parent menu is clicked, links take more than a second to activate, pages don't load as quickly. (I have a 30Mbps downstream internet connection that I test regularly, and consistently shows between 25 and 30MBps speeds from multiple sites throughout the US. It's NOT my download speed.)
In looking for explanations I saw at least one mention of a memory Leak.
So I decided to test this for myself. I first removed AIOS, then re-started Firefox and just left it running. I did nothing except minimize and restore it a few times. About an hour later the memory used by FF had gone from a reasonable 42K or so, to over 200K.
I tested again after uninstalling ALL my add-ons and plug ins. The same thing happened again.
This is NOT simply high memory use. Which I interpret as a particular tasks or process using more memory than it maybe should.
This is quite clearly a memory leak. Nothing was being executed, nothing was running with Firefox, and no pages were loaded during this time. But he use memory just steadily grew.
This is clearly a new issues since I did NOT have this problem when I was using Firefox 8. If I can find an install of that I'm going back to it.
If not I'll settle for the ESR mentioned here. If nothing else it seems to have a slower leak.
I never did like the new version number / rapid release schedule. Mostly because growing version numbers at that rate made no real sense to me as a developer myself. But also because speed of release for new features should not be the target but quality. I think we can see that this has clearly fallen by the wayside.
I only wish I thought there was a viable alternative.

Apple mobile device service uses too much cpu time

Apple mobile device service uses too much cpu time, from 88% to 99% of the CPU time.

The best way to fix this is to completely remove all aspects of iTunes then reinstall. Step by step directions are on this article. Good luck
http://support.apple.com/kb/HT1925?viewlocale=en_US

Playing Video files taking too much CPU processing(50 % )

Hello everyone,
My macbook taking too much CPU processing power for playing Video file.Below shared the statistics..Is it a issue..? can you please help me here..I can't play simultaneously 2-3 MKV videos..distorted picture Quality.
Macbook:
mkv
     Qucik Time PLayer (using perian plugin):50%
     vlc:40%
      mplayer:60%
normal(example Mp4)
     Qucik Time PLayer (using perian plugin):30%
     vlc:25%
where a normal Linux system takes
mkv file with VLC : 20-25%
Thanks in advance...

Simple thing to try would be to disable composite and see how you fare then
Check the logs first, though

I updated IOS 6 in my device, it is performing worse. Consuming too much battery in a very short time. How can I "downgrade IOS version?

I updated IOS 6 in my device, it is performing worse. Consuming too much battery in a very short time. How can I "downgrade IOS version?

Downgrading isn't supported and wouldn't help. You need to fix your phone.
1. Delete and reinstall all email accounts.
2, Restore the phone in iTunes, first using a backup and if needed as a new phone.
iTunes: Restoring iOS software

[solved...kind of]"xpad" consumes too much CPU power constantly

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