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Add note that you need to compile the module with the same compiler that

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Mon Mar  7 14:47:09 2005  Søren Sandmann  <sandmann@redhat.com>

	* README: Add note that you need to compile the module with
	the same compiler that compiled the kernel.
This commit is contained in:
Søren Sandmann
2005-03-07 19:52:47 +00:00
committed by Søren Sandmann Pedersen
parent d07d245228
commit 60b9741658
2 changed files with 18 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Mar 7 14:47:09 2005 Søren Sandmann <sandmann@redhat.com>
* README: Add note that you need to compile the module with
the same compiler that compiled the kernel.
Sun Mar 6 22:56:21 2005 Soeren Sandmann <sandmann@redhat.com> Sun Mar 6 22:56:21 2005 Soeren Sandmann <sandmann@redhat.com>
* sfile.c: Generate id's for objects and pointers. * sfile.c: Generate id's for objects and pointers.

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README
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@ -1,14 +1,23 @@
This is a sampling profiler that uses a kernel module, sysprof-module, Sysprof is a sampling profiler that uses a kernel module, sysprof-module.ko,
to generate stacktraces which are then interpreted by the userspace to generate stacktraces which are then interpreted by the userspace
program "sysprof". program "sysprof".
- There is no auto* stuff. Just type "make" and hope for the best - There is no auto* stuff. Just type "make" and hope for the best
- You need gtk+ 2.4.0 or better. If you are using gtk+ 2.5 or newer - You need gtk+ 2.4.0 or better. If you are using gtk+ 2.6 or newer
you also need libglade cvs HEAD. you also need libglade cvs HEAD.
- You need a 2.6 kernel. On SMP kernels the module seems to crash the system - You need a 2.6 kernel. On SMP kernels the module produces unreliable data.
from time to time, so you might want to stick with UP kernels.
- The module must be compiled with the same compiler that compiled the
kernel it is going to be used with. For most systems that is just
the system compiler, but if you have upgraded your kernel it is
possible the one was compiled with a difference compiler.
In that case, "insmod sysprof-module.ko" will produce this
error message:
insmod: error inserting './sysprof-module.o': -1 Invalid module format
- The programs you want to profile should have debugging symbols, or - The programs you want to profile should have debugging symbols, or
you won't get much usable information. On a Fedora Core system, you won't get much usable information. On a Fedora Core system,