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Re: profiling my own shared libraries


From: Peter Bienstman
Subject: Re: profiling my own shared libraries
Date: 13 Dec 2001 10:39:42 -0500

On Wed, 2001-12-12 at 18:39, Andreas Jaeger wrote:
> Peter Bienstman <address@hidden> writes:
> 
> > Hi,
> >
> > I'm able to profile system shared libraries with sprof, e.g.
> >
> > LD_PROFILE=glibc.so.6
> > <run program>
> > ls /var/tmp
> > sprof ...
> >
> > However, for my own shared library (a Python extension module), no
> > output is produced in /var/tmp
> 
> Is it loaded?  Did you specify the correct name?  Try LD_DEBUG=files
> (or libs) in the environment (LD_DEBUG=help ls gives help).

I assume so (this is with g++ 3.0.1, binutils 2.11.90.0.8, Mandrake
8.1):

$export LD_DEBUG=files
$export LD_PROFILE=camfr_work.so
$rect.py 2>o
<program runs normally>
$cat o
03513:  
03513:  file=libc.so.6;  needed by /usr/bin/env
03513:  file=libc.so.6;  generating link map
03513:    dynamic: 0x40163a6c  base: 0x4002a000   size: 0x0013dd28
03513:      entry: 0x400466b0  phdr: 0x4002a034  phnum:          6
03513:  
03513:  
03513:  calling init: /lib/libc.so.6
03513:  
03513:  
03513:  initialize program: /usr/bin/env
03513:  
03513:  
03513:  transferring control: /usr/bin/env
03513:  
03513:  
03513:  file=libpthread.so.0;  needed by python
03513:  file=libpthread.so.0;  generating link map
03513:    dynamic: 0x400401a8  base: 0x4002a000   size: 0x0001641c
03513:      entry: 0x4002f020  phdr: 0x4002a034  phnum:          6
03513:  
03513:  
03513:  file=libdl.so.2;  needed by python
03513:  file=libdl.so.2;  generating link map
03513:    dynamic: 0x40044068  base: 0x40041000   size: 0x0000317c
03513:      entry: 0x40042df0  phdr: 0x40041034  phnum:          6
03513:  
03513:  
03513:  file=libutil.so.1;  needed by python
03513:  file=libutil.so.1;  generating link map
03513:    dynamic: 0x40047a14  base: 0x40045000   size: 0x00002b0c
03513:      entry: 0x40045dc0  phdr: 0x40045034  phnum:          6
03513:  
03513:  
03513:  file=libreadline.so.4.2;  needed by python
03513:  file=libreadline.so.4.2;  generating link map
03513:    dynamic: 0x4006ec10  base: 0x40048000   size: 0x00027a50
03513:      entry: 0x40052350  phdr: 0x40048034  phnum:          3
03513:  
03513:  
03513:  file=libtermcap.so.2;  needed by python
03513:  file=libtermcap.so.2;  generating link map
03513:    dynamic: 0x4007399c  base: 0x40070000   size: 0x00003af4
03513:      entry: 0x40070db0  phdr: 0x40070034  phnum:          3
03513:  
03513:  
03513:  file=libnsl.so.1;  needed by python
03513:  file=libnsl.so.1;  generating link map
03513:    dynamic: 0x40088b0c  base: 0x40075000   size: 0x00015d7c
03513:      entry: 0x40078f20  phdr: 0x40075034  phnum:          6
03513:  
03513:  
03513:  file=libtk8.3.so;  needed by python
03513:  file=libtk8.3.so;  generating link map
03513:    dynamic: 0x40144e24  base: 0x4008b000   size: 0x000bac64
03513:      entry: 0x400a0dc0  phdr: 0x4008b034  phnum:          3
03513:  
03513:  
03513:  file=libtcl8.3.so;  needed by python
03513:  file=libtcl8.3.so;  generating link map
03513:    dynamic: 0x401d3114  base: 0x40146000   size: 0x0008dc24
03513:      entry: 0x40156420  phdr: 0x40146034  phnum:          3
03513:  
03513:  
03513:  file=libX11.so.6;  needed by python
03513:  file=libX11.so.6;  generating link map
03513:    dynamic: 0x402bd3f0  base: 0x401d4000   size: 0x000e99d8
03513:      entry: 0x401e7fd0  phdr: 0x401d4034  phnum:          3
03513:  
03513:  
03513:  file=libz.so.1;  needed by python
03513:  file=libz.so.1;  generating link map
03513:    dynamic: 0x402cc380  base: 0x402be000   size: 0x0000e470
03513:      entry: 0x402bfe90  phdr: 0x402be034  phnum:          3
03513:  
03513:  
03513:  file=libm.so.6;  needed by python
03513:  file=libm.so.6;  generating link map
03513:    dynamic: 0x402ef85c  base: 0x402cd000   size: 0x00022994
03513:      entry: 0x402d18e0  phdr: 0x402cd034  phnum:          6
03513:  
03513:  
03513:  file=libc.so.6;  needed by python
03513:  file=libc.so.6;  generating link map
03513:    dynamic: 0x40429a6c  base: 0x402f0000   size: 0x0013dd28
03513:      entry: 0x4030c6b0  phdr: 0x402f0034  phnum:          6
03513:  
03513:  
03513:  calling init: /lib/libpthread.so.0
03513:  
03513:  
03513:  calling init: /lib/libc.so.6
03513:  
03513:  
03513:  calling init: /lib/libm.so.6
03513:  
03513:  
03513:  calling init: /lib/libz.so.1
03513:  
03513:  
03513:  calling init: /usr/X11R6/lib/libX11.so.6
03513:  
03513:  
03513:  calling init: /lib/libnsl.so.1
03513:  
03513:  
03513:  calling init: /lib/libtermcap.so.2
03513:  
03513:  
03513:  calling init: /lib/libreadline.so.4.2
03513:  
03513:  
03513:  calling init: /lib/libutil.so.1
03513:  
03513:  
03513:  calling init: /lib/libdl.so.2
03513:  
03513:  
03513:  calling init: /usr/lib/libtk8.3.so
03513:  
03513:  
03513:  calling init: /usr/lib/libtcl8.3.so
03513:  
03513:  
03513:  initialize program: python
03513:  
03513:  
03513:  transferring control: python
03513:  
03513:  file=/home/pbienst/local/lib/python2.1/site-packages/camfr_work.so;  
generating link map
03513:    dynamic: 0x40881908  base: 0x4044a000   size: 0x00441504
03513:      entry: 0x405335f0  phdr: 0x4044a034  phnum:          3
03513:  
03513:  
03513:  file=libstdc++.so.3;  needed by 
/home/pbienst/local/lib/python2.1/site-packages/camfr_work.so
03513:  file=libstdc++.so.3;  generating link map
03513:    dynamic: 0x4092ac74  base: 0x4088c000   size: 0x0009ff60
03513:      entry: 0x408c7a70  phdr: 0x4088c034  phnum:          3
03513:  
03513:  
03513:  file=libgcc_s.so.1;  needed by 
/home/pbienst/local/lib/python2.1/site-packages/camfr_work.so
03513:  file=libgcc_s.so.1;  generating link map
03513:    dynamic: 0x4001e49c  base: 0x40017000   size: 0x000075b8
03513:      entry: 0x400180d0  phdr: 0x40017034  phnum:          3
03513:  
03513:  
03513:  calling init: /home/pbienst/local/lib/libgcc_s.so.1
03513:  
03513:  
03513:  calling init: /home/pbienst/local/lib/libstdc++.so.3
03513:  
03513:  
03513:  calling init: 
/home/pbienst/local/lib/python2.1/site-packages/camfr_work.so
03513:  
03513:  opening 
file=/home/pbienst/local/lib/python2.1/site-packages/camfr_work.so; opencount 
== 1
03513:  
03513:  file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/_numpy.so; 
 generating link map
03513:    dynamic: 0x4093e034  base: 0x4092c000   size: 0x00012260
03513:      entry: 0x4092ee70  phdr: 0x4092c034  phnum:          3
03513:  
03513:  
03513:  calling init: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/_numpy.so
03513:  
03513:  opening 
file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/_numpy.so; 
opencount == 1
03513:  
03513:  
file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/multiarray.so;  
generating link map
03513:    dynamic: 0x400268ac  base: 0x40020000   size: 0x000069ac
03513:      entry: 0x40021560  phdr: 0x40020034  phnum:          3
03513:  
03513:  
03513:  calling init: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/multiarray.so
03513:  
03513:  opening 
file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/multiarray.so; 
opencount == 1
03513:  
03513:  file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/umath.so;  
generating link map
03513:    dynamic: 0x4094b7c0  base: 0x4093f000   size: 0x0000c8bc
03513:      entry: 0x40940bb0  phdr: 0x4093f034  phnum:          3
03513:  
03513:  
03513:  calling init: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/umath.so
03513:  
03513:  opening 
file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/umath.so; 
opencount == 1
03513:  
03513:  file=/home/pbienst/local/lib/python2.1/lib-dynload/strop.so;  
generating link map
03513:    dynamic: 0x40951c34  base: 0x4094c000   size: 0x00005d20
03513:      entry: 0x4094d140  phdr: 0x4094c034  phnum:          3
03513:  
03513:  
03513:  calling init: /home/pbienst/local/lib/python2.1/lib-dynload/strop.so
03513:  
03513:  opening file=/home/pbienst/local/lib/python2.1/lib-dynload/strop.so; 
opencount == 1
03513:  
03513:  
file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/lapack_lite.so;  
generating link map
03513:    dynamic: 0x409f09b4  base: 0x40952000   size: 0x00105a80
03513:      entry: 0x409563d0  phdr: 0x40952034  phnum:          3
03513:  
03513:  
03513:  calling init: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/lapack_lite.so
03513:  
03513:  opening 
file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/lapack_lite.so; 
opencount == 1
03513:  
03513:  file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/ranlib.so; 
 generating link map
03513:    dynamic: 0x40a60910  base: 0x40a58000   size: 0x00009268
03513:      entry: 0x40a59710  phdr: 0x40a58034  phnum:          3
03513:  
03513:  
03513:  calling init: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/ranlib.so
03513:  
03513:  opening 
file=/home/pbienst/local/lib/python2.1/site-packages/Numeric/ranlib.so; 
opencount == 1
03513:  
03513:  
03513:  calling fini: /lib/libpthread.so.0
03513:  
03513:  
03513:  calling fini: /usr/lib/libtk8.3.so
03513:  
03513:  
03513:  calling fini: /usr/lib/libtcl8.3.so
03513:  
03513:  
03513:  calling fini: /lib/libdl.so.2
03513:  
03513:  
03513:  calling fini: /lib/libutil.so.1
03513:  
03513:  
03513:  calling fini: /lib/libreadline.so.4.2
03513:  
03513:  
03513:  calling fini: /lib/libtermcap.so.2
03513:  
03513:  
03513:  calling fini: /lib/libnsl.so.1
03513:  
03513:  
03513:  calling fini: /usr/X11R6/lib/libX11.so.6
03513:  
03513:  
03513:  calling fini: /lib/libz.so.1
03513:  
03513:  
03513:  calling fini: 
/home/pbienst/local/lib/python2.1/site-packages/camfr_work.so
03513:  
03513:  
03513:  calling fini: /home/pbienst/local/lib/libstdc++.so.3
03513:  
03513:  
03513:  calling fini: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/umath.so
03513:  
03513:  
03513:  calling fini: /lib/libm.so.6
03513:  
03513:  
03513:  calling fini: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/_numpy.so
03513:  
03513:  
03513:  calling fini: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/multiarray.so
03513:  
03513:  
03513:  calling fini: /home/pbienst/local/lib/python2.1/lib-dynload/strop.so
03513:  
03513:  
03513:  calling fini: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/lapack_lite.so
03513:  
03513:  
03513:  calling fini: 
/home/pbienst/local/lib/python2.1/site-packages/Numeric/ranlib.so
03513:  
03513:  
03513:  calling fini: /home/pbienst/local/lib/libgcc_s.so.1
03513:  
03513:  
03513:  calling fini: /lib/libc.so.6
03513:  

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