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New function to support --version option

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2006-10-08  Soren Sandmann <sandmann@redhat.com>

	* sysprof.c (process_options): New function to support --version option
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Soren Sandmann
2006-10-08 22:05:47 +00:00
committed by Søren Sandmann Pedersen
parent 0cf636d8fe
commit a6145207ca
3 changed files with 53 additions and 11 deletions
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13
TODO
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@ -34,10 +34,8 @@ Before 1.0.4:
Before 1.2:
* Fix (potential) performance issues in symbol lookup.
* Elf bugs:
- Also error handling for bin_parser is necessary.
- error handling for bin_parser is necessary.
- don't loop infinitely if there are cycles in the debuglink graph.
@ -58,6 +56,7 @@ Before 1.2:
- userspace can look at _stext and _etext to determine
start and end of kernel text segment
- copying kernel stack to userspace
- it's always 4096 bytes these days
- heuristically determine functions based on address
- is eh_frame usually loaded into memory during normal
operation
@ -66,13 +65,14 @@ Before 1.2:
- assume its the same across processes, just look at
sysprof's own copy.
- send copy of it to userspace once, or for every
sample
sample.
- regular elf
- usually have eh_frame section which is mapped into memory
during normal operation
- is usually mapped into memory
- do stackwalk in kernel based on eh_frame
- eh_frame section is usually mapped into memory, so
no file reading in kernel would be necessary.
- do stackwalk in userland based on eh_frame
- do ebp based stackwalk in kernel
- do ebp based stackwalk in userland
@ -84,7 +84,7 @@ Before 1.2:
* See if we can make "In file <blah>" not be treated as a recursive function.
Maybe simply treat each individual address in the file as a function.
Or try to parse the machine code. Places that are called are likely
Or try to parse the machine code. Positions that are called are likely
to be functions.
* Give more sensible 'error messages'. Ie., if you get permission denied for
@ -652,6 +652,7 @@ Later:
-=-=-=-=-=-=-=-=-=-=-=-=-=-=- ALREADY DONE -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
* Fix (potential) performance issues in symbol lookup.
- when an elf file is read, it should be checked that the various
sections are of the right type. For example the debug information