konqy preloading kills performance

Dario Massarin nekkar at libero.it
Wed Dec 15 13:09:02 GMT 2004


On Wednesday 15 December 2004 10:35, Lubos Lunak wrote:
>  That seems a bit strange, the memory usage check should catch this. Can
> you check the debug output for "Memory usage increase" and messages
> containing "preloading" when closing Konqueror? Make sure stdin, stdout and
> stderr are not tty's, e.g. run it as 'konqueror </dev/null 2>&1 | tee
> logfile.txt'. What platform and version numbers are that?

I have a kde cvs head compiled from sources a couple of weeks ago.

#uname -a
Linux fantasy 2.6.6 #5 Fri Dec 3 08:48:54 UTC 2004 i686 Pentium III 
(Coppermine) GenuineIntel GNU/Linux


#konqueror </dev/null 2>&1 | tee logfile.txt

Note that a konqueror run by console will not be kept for preloading becouse 
of the following 
(konq_mainwindow.cc, 
function: bool KonqMainWindow::checkPreloadResourceUsage()): 

    if(
#ifndef NDEBUG
        isatty( STDIN_FILENO ) ||
#endif
        isatty( STDOUT_FILENO ) || isatty( STDERR_FILENO ))
    {
        kdDebug(1202) << "Running from tty, not keeping for preloading" << 
endl;
        return false; 
    }

So I have commented out the line returning false, to allow my tests.

#cat logfile.txt | grep "Memory"
konqueror: Memory usage increase: 8139776 (16360448/8220672)

Here it seems that the current_memory_usage() function returns a number 
(16360448 bytes) that I would say a bit low.

#cat logfile.txt | grep "preloading"
konqueror: Konqy kept for preloading :konqueror-6628

And the usual output of pmap:
#pmap 6628
konqueror(6628)
08048000 (4 KB)        r-xp (03:03 1447968)  /usr/kde/3.2/bin/konqueror
08049000 (4 KB)        rw-p (03:03 1447968)  /usr/kde/3.2/bin/konqueror
0804a000 (26712 KB)    rwxp (00:00 0)
40000000 (80 KB)       r-xp (03:03 970583)   /lib/ld-2.3.3.so
40014000 (4 KB)        rw-p (03:03 970583)   /lib/ld-2.3.3.so
40015000 (4 KB)        rw-p (00:00 0)
40016000 (708 KB)      r-xp (03:03 
1929655)  /usr/kde/3.2/lib/libkdeinit_konqueror.so
400c7000 (32 KB)       rw-p (03:03 
1929655)  /usr/kde/3.2/lib/libkdeinit_konqueror.so
400db000 (1192 KB)     r-xp (03:03 970440)   /lib/libc-2.3.3.so
40205000 (12 KB)       rw-p (03:03 970440)   /lib/libc-2.3.3.so
40208000 (12 KB)       rw-p (00:00 0)
4020b000 (500 KB)      r-xp (03:03 1748742)  /usr/kde/3.2/lib/libkonq.so.4.2.0
40288000 (20 KB)       rw-p (03:03 1748742)  /usr/kde/3.2/lib/libkonq.so.4.2.0
4028d000 (244 KB)      r-xp (03:03 
1928900)  /usr/kde/3.2/lib/libkparts.so.2.1.0
402ca000 (16 KB)       rw-p (03:03 
1928900)  /usr/kde/3.2/lib/libkparts.so.2.1.0
402ce000 (396 KB)      r-xp (03:03 
1756215)  /usr/kde/3.2/lib/libkutils.so.1.2.0
40331000 (20 KB)       rw-p (03:03 
1756215)  /usr/kde/3.2/lib/libkutils.so.1.2.0
40336000 (3084 KB)     r-xp (03:03 1928889)  /usr/kde/3.2/lib/libkio.so.4.2.0
40639000 (112 KB)      rw-p (03:03 1928889)  /usr/kde/3.2/lib/libkio.so.4.2.0
40655000 (12 KB)       rw-p (00:00 0)
40658000 (2556 KB)     r-xp (03:03 
1743502)  /usr/kde/3.2/lib/libkdeui.so.4.2.0
408d7000 (164 KB)      rw-p (03:03 
1743502)  /usr/kde/3.2/lib/libkdeui.so.4.2.0
40900000 (4 KB)        rw-p (00:00 0)
40901000 (2096 KB)     r-xp (03:03 
1733046)  /usr/kde/3.2/lib/libkdecore.so.4.2.0
40b0d000 (64 KB)       rw-p (03:03 
1733046)  /usr/kde/3.2/lib/libkdecore.so.4.2.0
40b1d000 (8 KB)        rw-p (00:00 0)
40b1f000 (172 KB)      r-xp (03:03 1928873)  /usr/kde/3.2/lib/libDCOP.so.4.2.0
40b4a000 (4 KB)        rw-p (03:03 1928873)  /usr/kde/3.2/lib/libDCOP.so.4.2.0
40b4b000 (8 KB)        rw-p (00:00 0)
40b4d000 (6444 KB)     r-xp (03:03 956209)   /usr/qt/3/lib/libqt-mt.so.3.3.0
41198000 (260 KB)      rw-p (03:03 956209)   /usr/qt/3/lib/libqt-mt.so.3.3.0
411d9000 (12 KB)       rw-p (00:00 0)
411dc000 (780 KB)      r-xp (03:03 653286)   /usr/X11R6/lib/libX11.so.6.2
4129f000 (16 KB)       rw-p (03:03 653286)   /usr/X11R6/lib/libX11.so.6.2
412a3000 (796 KB)      r-xp (03:03 
1903813)  /usr/lib/gcc/i586-pc-linux-gnu/3.4.3/libstdc++.so.6.0.3
4136a000 (20 KB)       rw-p (03:03 
1903813)  /usr/lib/gcc/i586-pc-linux-gnu/3.4.3/libstdc++.so.6.0.3
4136f000 (24 KB)       rw-p (00:00 0)
41375000 (132 KB)      r-xp (03:03 970582)   /lib/libm-2.3.3.so
41396000 (4 KB)        rw-p (03:03 970582)   /lib/libm-2.3.3.so
41397000 (156 KB)      r-xp (03:03 
1928880)  /usr/kde/3.2/lib/libkdefx.so.4.2.0
413be000 (8 KB)        rw-p (03:03 
1928880)  /usr/kde/3.2/lib/libkdefx.so.4.2.0
413c0000 (64 KB)       r-xp (03:03 1522484)  /lib/libz.so.1.2.2
413d0000 (4 KB)        rw-p (03:03 1522484)  /lib/libz.so.1.2.2
413d1000 (96 KB)       r-xp (03:03 
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413e9000 (4 KB)        rw-p (03:03 
1928883)  /usr/kde/3.2/lib/libkdesu.so.4.2.0
413ea000 (56 KB)       r-xp (03:03 
1928885)  /usr/kde/3.2/lib/libkwalletclient.so.1.0.1
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1928885)  /usr/kde/3.2/lib/libkwalletclient.so.1.0.1
413f9000 (4 KB)        rw-p (00:00 0)
413fa000 (56 KB)       r-xp (03:03 970421)   /lib/libpthread-0.10.so
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41409000 (264 KB)      rw-p (00:00 0)
4144b000 (28 KB)       r-xp (03:03 781832)   /usr/lib/libfam.so.0.0.0
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1904025)  /usr/lib/gcc/i586-pc-linux-gnu/3.4.3/libgcc_s.so.1
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4145c000 (52 KB)       r-xp (03:03 1378019)  /usr/X11R6/lib/libXext.so.6.4
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41487000 (28 KB)       r-xp (03:03 1377994)  /usr/X11R6/lib/libSM.so.6.0
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4148f000 (80 KB)       r-xp (03:03 653312)   /usr/X11R6/lib/libICE.so.6.3
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414a5000 (4 KB)        rw-p (00:00 0)
414a6000 (352 KB)      r-xp (03:03 641540)   /usr/lib/libmng.so.1.0.0
414fe000 (12 KB)       rw-p (03:03 641540)   /usr/lib/libmng.so.1.0.0
41501000 (128 KB)      r-xp (03:03 641577)   /usr/lib/libjpeg.so.62.0.0
41521000 (4 KB)        rw-p (03:03 641577)   /usr/lib/libjpeg.so.62.0.0
41522000 (188 KB)      r-xp (03:03 581286)   /usr/lib/libpng.so.3.1.2.5
41551000 (4 KB)        rw-p (03:03 581286)   /usr/lib/libpng.so.3.1.2.5
41552000 (4 KB)        rw-p (00:00 0)
41553000 (28 KB)       r-xp (03:03 653569)   /usr/X11R6/lib/libXi.so.6.0
4155a000 (4 KB)        rw-p (03:03 653569)   /usr/X11R6/lib/libXi.so.6.0
4155b000 (28 KB)       r-xp (03:03 
1743561)  /usr/X11R6/lib/libXrender.so.1.2.2
41562000 (4 KB)        rw-p (03:03 
1743561)  /usr/X11R6/lib/libXrender.so.1.2.2
41563000 (12 KB)       r-xp (03:03 653401)   /usr/X11R6/lib/libXrandr.so.2.0
41566000 (4 KB)        rw-p (03:03 653401)   /usr/X11R6/lib/libXrandr.so.2.0
41567000 (32 KB)       r-xp (03:03 
1743586)  /usr/X11R6/lib/libXcursor.so.1.0.2
4156f000 (4 KB)        rw-p (03:03 
1743586)  /usr/X11R6/lib/libXcursor.so.1.0.2
41570000 (68 KB)       r-xp (03:03 1743575)  /usr/X11R6/lib/libXft.so.2.1.2
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41582000 (416 KB)      r-xp (03:03 495557)   /usr/lib/libfreetype.so.6.3.4
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1743568)  /usr/X11R6/lib/libfontconfig.so.1.0.4
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1743568)  /usr/X11R6/lib/libfontconfig.so.1.0.4
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704992)   /usr/lib/gcc-lib/i586-pc-linux-gnu/3.3.2/libstdc++.so.5.0.5
416c4000 (20 KB)       rw-p (03:03 
704992)   /usr/lib/gcc-lib/i586-pc-linux-gnu/3.3.2/libstdc++.so.5.0.5
416c9000 (20 KB)       rw-p (00:00 0)
416ce000 (140 KB)      r-xp (03:03 496844)   /usr/lib/libexpat.so.0.5.0
416f1000 (8 KB)        rw-p (03:03 496844)   /usr/lib/libexpat.so.0.5.0
416f3000 (8 KB)        rw-p (00:00 0)
416f5000 (2048 KB)     r--p (03:03 970642)   /usr/lib/locale/locale-archive
418f5000 (1072 KB)     r--p (03:03 970642)   /usr/lib/locale/locale-archive
41a01000 (4 KB)        r--p (03:03 970642)   /usr/lib/locale/locale-archive
41a02000 (24 KB)       r--s (03:03 
735470)   /usr/lib/gconv/gconv-modules.cache
41a08000 (4 KB)        r-xp (03:03 
653306)   /usr/X11R6/lib/X11/locale/lib/common/xlcUTF8Load.so.2
41a09000 (4 KB)        rw-p (03:03 
653306)   /usr/X11R6/lib/X11/locale/lib/common/xlcUTF8Load.so.2
41a0a000 (104 KB)      r-xp (03:03 
654419)   /usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2
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41a26000 (136 KB)      r--p (03:03 
1077257)  /usr/kde/3.2/share/locale/it/LC_MESSAGES/kdelibs.mo
41a54000 (100 KB)      r-xp (03:03 
1745347)  /usr/kde/3.2/lib/kde3/plugins/styles/plastik.so
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1745347)  /usr/kde/3.2/lib/kde3/plugins/styles/plastik.so
41a6e000 (1048 KB)     r--s (03:03 1559807)  /var/tmp/kdecache-dario/ksycoca
41b74000 (128 KB)      rw-p (00:00 0)
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970361)   /usr/share/locale/it/LC_MESSAGES/libc.mo
41ba9000 (8 KB)        r-xp (03:03 968180)   /usr/lib/gconv/ISO8859-1.so
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41bac000 (8 KB)        r--p (03:03 
655437)   /usr/X11R6/lib/X11/fonts/75dpi/helvR14-ISO8859-1.pcf.gz
41bae000 (24 KB)       r-xp (03:03 
1440863)  /usr/kde/3.2/lib/kde3/libautorefresh.so
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1440863)  /usr/kde/3.2/lib/kde3/libautorefresh.so
41bc1000 (8 KB)        r-xp (03:03 681515)   /usr/lib/libpcreposix.so.0.0.0
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41bc4000 (60 KB)       r-xp (03:03 970441)   /lib/libresolv-2.3.3.so
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41bd4000 (8 KB)        rw-p (00:00 0)
41bd6000 (8 KB)        r-xp (03:03 970463)   /lib/libutil-2.3.3.so
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41bdd000 (28 KB)       r-xp (03:03 970621)   /lib/libnss_compat-2.3.3.so
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41be5000 (72 KB)       r-xp (03:03 970439)   /lib/libnsl-2.3.3.so
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41c0e000 (3096 KB)     r-xp (03:03 
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41f37000 (360 KB)      r-xp (03:03 1928884)  /usr/kde/3.2/lib/libkjs.so.1.2.0
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41f96000 (4 KB)        rw-p (00:00 0)
41f97000 (696 KB)      r-xp (03:03 
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ffffe000 (4 KB)        ---p (00:00 0)
mapped:   63188 KB writable/private: 30080 KB shared: 1072 KB


#cat /proc/6628/status
Name:   konqueror
State:  S (sleeping)
SleepAVG:       90%
Tgid:   6628
Pid:    6628
PPid:   6623
TracerPid:      0
Uid:    1000    1000    1000    1000
Gid:    100     100     100     100
FDSize: 256
Groups: 6 7 10 11 19 35 80 100
VmSize:    63184 kB
VmLck:         0 kB
VmRSS:     47304 kB
VmData:    28796 kB
VmStk:        68 kB
VmExe:         4 kB
VmLib:     27344 kB
Threads:        1
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000080000000
SigIgn: 0000000000001000
SigCgt: 00000003800104a8
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000


Cheers,
	Dario




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