[Typo3-dev] Memory issues

[Wolfgang Klinger]

 *hiya!*

 On Tue, 16 Nov 2004, dan frost wrote the following:
> Yep - you only need 1 or 2 analyses of a page/part to tell you where the 
> problems are. It's working out why they problems are that takes the time!!

 That's the output of APD for an average site
 (call placed on top of index.php)

----
         Real         User        System             secs/    cumm
%Time (excl/cumm)  (excl/cumm)  (excl/cumm) Calls    call    s/call  Memory Usage Name
--------------------------------------------------------------------------------------
0.4 0.01 0.01  0.00 0.00  0.01 0.01  1568  0.0000   0.0000      1693384 strstr
0.0 0.00 0.01  0.00 0.01  0.00 0.00   237  0.0000   0.0000      1533065 t3lib_timetrack->pull
4.6 0.11 0.11  0.02 0.02  0.09 0.09   153  0.0000   0.0000       804576 defined
1.3 0.03 0.03  0.02 0.02  0.01 0.01   253  0.0000   0.0000       697088 serialize
6.8 0.16 0.16  0.01 0.01  0.15 0.15   568  0.0000   0.0000       639720 mysql_fetch_assoc
1.3 0.03 0.03  0.03 0.03  0.00 0.00    10  0.0000   0.0000       608072 preg_replace
0.0 0.00 0.00  0.00 0.00  0.00 0.00    52  0.0000   0.0000       539008 fread
0.8 0.02 0.02  0.01 0.01  0.01 0.01    57  0.0000   0.0000       532472 unserialize
1.3 0.03 0.03  0.03 0.03  0.00 0.00   791  0.0000   0.0000       509896 implode
0.8 0.02 0.02  0.02 0.02  0.00 0.00  2841  0.0000   0.0000       409704 str_replace
5.5 0.13 0.13  0.05 0.05  0.08 0.08  4601  0.0000   0.0000       270840 strlen
1.7 0.04 0.04  0.04 0.04  0.00 0.00  2578  0.0000   0.0000       252736 explode
4.6 0.11 0.11  0.02 0.02  0.09 0.09  1252  0.0000   0.0000       123376 htmlspecialchars
0.4 0.01 0.02  0.00 0.00  0.01 0.02   229  0.0000   0.0000       119520 t3lib_pageselect->getpageoverlay
0.0 0.00 0.00  0.00 0.00  0.00 0.00    14  0.0000   0.0000       118464 t3lib_tstemplate->prependstaticextra
0.8 0.02 0.02  0.00 0.00  0.02 0.02   157  0.0000   0.0000       117296 addslashes
0.0 0.00 0.00  0.00 0.00  0.00 0.00     1  0.0000   0.0000        70136 preg_match
0.4 0.01 0.03  0.00 0.00  0.01 0.03   351  0.0000   0.0000        66120 t3lib_div->makeinstance
6.8 0.16 0.16  0.11 0.11  0.05 0.05  9924  0.0000   0.0000        62928 substr
0.4 0.01 0.01  0.01 0.01  0.00 0.00   656  0.0000   0.0000        47152 eregi_replace
----

 (top 20 ordered by memory consumption)

 that's just a simple example and shows what APD can do for us...


 bye
 Wolfgang