* perf report and symbol addresses
@ 2015-09-02 16:43 Joakim Tjernlund
2015-09-21 10:57 ` Michael Petlan
0 siblings, 1 reply; 2+ messages in thread
From: Joakim Tjernlund @ 2015-09-02 16:43 UTC (permalink / raw)
To: linux-perf-users@vger.kernel.org
on PPC I do:
# > perf record -a /root/a.out
then
#> perf report -v
...
50.36% a.out /root/a.out 0x2c4 d [.] main
compare the address 0x2c4 with
#> nm -a a.out | grep main
U __libc_start_main@@GLIBC_2.0
100002c0 T main
The perf reported address is lacking 0x10000000.
How do I list the absolut symbol address?
Jocke
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: perf report and symbol addresses
2015-09-02 16:43 perf report and symbol addresses Joakim Tjernlund
@ 2015-09-21 10:57 ` Michael Petlan
0 siblings, 0 replies; 2+ messages in thread
From: Michael Petlan @ 2015-09-21 10:57 UTC (permalink / raw)
To: Joakim Tjernlund; +Cc: linux-perf-users@vger.kernel.org
On Wed, 2015-09-02 at 16:43 +0000, Joakim Tjernlund wrote:
> on PPC I do:
> # > perf record -a /root/a.out
>
> then
> #> perf report -v
> ...
> 50.36% a.out /root/a.out 0x2c4 d [.] main
>
> compare the address 0x2c4 with
> #> nm -a a.out | grep main
> U __libc_start_main@@GLIBC_2.0
> 100002c0 T main
>
> The perf reported address is lacking 0x10000000.
What happens when you run perf record and perf report again? Is the
address reported by perf still the same?
What 'readelf -a' says about the binary?
>
> How do I list the absolut symbol address?
>
> Jocke--
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