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Re: [PATCH 4/6] Implement support for SystemTap probes


Hi Sergio,

I have found I have asked three times on this list (IIRC even elsewhere) to
fix this debuginfo probes bug and in the end it got checked in with this bug
anyway.  Could you fix it, please?


Thanks,
Jan


On Tue, 19 Apr 2011 18:42:41 +0200, Jan Kratochvil wrote:
> there is still the bug as present on Fedora 15 with:
> 	glibc-2.13.90-9.x86_64
> 	glibc-debuginfo-2.13.90-9.x86_64
> 
> (gdb) info probes 
> Provider   Name       Where               Semaphore           Object                         
> libc       lll_futex_wake 0x00007ffff61a5f7b                      /lib64/libc.so.6               
> libc       lll_futex_wake 0x00007ffff61a5f7b                      /usr/lib/debug/lib64/libc-2.13.90.so.debug 
> libc       lll_futex_wake 0x00007ffff6213060                      /lib64/libc.so.6               
> libc       lll_futex_wake 0x00007ffff6213060                      /usr/lib/debug/lib64/libc-2.13.90.so.debug 
> libc       lll_lock_wait_private 0x00007ffff61e5a84                      /lib64/libc.so.6               
> libc       lll_lock_wait_private 0x00007ffff61e5a84                      /usr/lib/debug/lib64/libc-2.13.90.so.debug 
> [...]
> 
> That is everything is duplicate for the separate debug info files.
+
On Fri, 04 Nov 2011 17:26:48 +0100, Jan Kratochvil wrote:
> Also I think you should discard the separate debug info objfiles.  I find
> wrong to display:
>         0x37aa200000       0x37aa222000    0x22000 /usr/lib/debug/lib64/ld-2.14.90.so.debug
> when it in fact means:
>         0x37aa200000       0x37aa222000    0x22000 /lib64/ld-2.14.90.so
+
On Wed, 11 Apr 2012 20:42:33 +0200, Jan Kratochvil wrote:
> $ gdb /lib64/ld-linux-x86-64.so.2
> (gdb) info probes
> Provider   Name       Where               Semaphore           Object
>  - You have columns widths wrongly computed.
> rtld       lll_futex_wake 0x000000000000ab2e                      /usr/lib/debug/lib64/ld-2.15.so.debug
> rtld       lll_futex_wake 0x000000000000ab2e                      /usr/lib64/ld-linux-x86-64.so.2
> [...]
>  - You do not filter out separate debug info files or rather unify it somehow.


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