Wieviel Heap alloziert?

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2 total messages Started by Michael B�sch Sat, 03 Apr 1999 00:00

#23360

Author: Michael B�sch
Date: Sat, 03 Apr 1999 00:00

7 lines
593 bytes

Hallow zusammen,

folgende Frage: gibt es ein Tool, mit dem ich feststellen kann, welcher
Prozess wieviel Heap-Speicher alloziert hat?

Danke
Gruss Michael

Re: Wieviel Heap alloziert?

#23379

Author: Marc SCHAEFER
Date: Sun, 04 Apr 1999 00:00

62 lines
3282 bytes

Michael B�sch <michael.boesch@bluewin.ch> wrote:
> folgende Frage: gibt es ein Tool, mit dem ich feststellen kann, welcher
> Prozess wieviel Heap-Speicher alloziert hat?

Can you tell me what is heap in Linux ?

Using ``ps -auxw'' | head -5

    USER   PID %CPU %MEM   VSZ   RSS  TT STAT  START   TIME COMMAND
at         174  0.0  0.5   820   164  ?  S    Apr  2   0:00 /usr/sbin/atd 
djmatrox 16087  0.0  5.8  2828  1816  ?  S     00:50   0:03 ./eggdrop BiLb0t 
ghost     6806  0.0  3.0  2188   940  ?  S    Apr  2   0:21 ./eggdrop hellfire 
news       468  0.3 14.7  5620  4568  ?  S    Apr  2   8:56 /usr/local/lib/news/bin/innd -p4 -i0 

To my knowledge (but man ps will tell you more), VSZ is the virtual
size (not yet committed, or paged out), and RSS is the actual physical
RAM usage, including stack.

You can get more detailed information that way, and with man 5 proc

<vulcan> schaefer:/usr/users/schaefer> cd /proc
<vulcan> schaefer:/proc> cd 468
<vulcan> schaefer:/proc/468> ls
cmdline  environ  fd/	   mem	    stat     status
cwd@	 exe@	  maps|    root@    statm
<vulcan> schaefer:/proc/468> ls -la
ls: exe: Permission denied
ls: root: Permission denied
ls: cwd: Permission denied
total 0
dr-xr-xr-x   3 news     news            0 Apr  4 09:13 ./
dr-xr-xr-x   5 root     root            0 Apr  2 09:58 ../
-r--r--r--   1 news     news            0 Apr  4 10:37 cmdline
lrwx------   1 news     news           64 Apr  4 10:39 cwd
-r--------   1 news     news            0 Apr  4 10:39 environ
lrwx------   1 news     news           64 Apr  4 10:39 exe
dr-x------   1 news     news            0 Apr  4 10:39 fd/
pr--r--r--   1 news     news            0 Apr  4 10:39 maps|
-rw-------   1 news     news            0 Apr  4 10:39 mem
lrwx------   1 news     news           64 Apr  4 10:39 root
-r--r--r--   1 news     news            0 Apr  4 10:37 stat
-r--r--r--   1 news     news            0 Apr  4 10:37 statm
-r--r--r--   1 news     news            0 Apr  4 10:39 status
<vulcan> schaefer:/proc/468> su
Password:
bash-2.01# cat maps 
08048000-0806f000 r-xp 00000000 08:03 198844
0806f000-08071000 rw-p 00026000 08:03 198844
08071000-08189000 rwxp 00000000 00:00 0
40000000-40006000 r-xp 00000000 08:01 26022
40006000-40007000 rw-p 00005000 08:01 26022
40007000-4000a000 rw-p 00000000 00:00 0
4000a000-4008c000 r-xp 00000000 08:01 26032
4008c000-40092000 rw-p 00081000 08:01 26032
40092000-40418000 rw-p 00000000 00:00 0
40418000-40421000 rw-s 00000000 08:03 198929
40421000-40424000 rw-p 00000000 00:00 0
40430000-40433000 rw-p 0000f000 00:00 0
4043b000-40441000 rw-p 0001a000 00:00 0
4044a000-40453000 rw-p 00029000 00:00 0
bfffa000-c0000000 rwxp ffffb000 00:00 0
bash-2.01# exit

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