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SubjectRe: [PATCHSET 00/21] perf tools: Add support to accumulate hist periods (v9)
On 3/20/14, 11:06 AM, Namhyung Kim wrote:
> Hello,
>
> This is a new attempt to implement cumulative hist period report.
> This work begins from Arun's SORT_INCLUSIVE patch [1] but I completely
> rewrote it from scratch.

While testing this patch series, we found error messages which look like
this:

Out of bounds address found:

Addr: 10370
DSO: /usr/local/lib/libgcc_s.so.1 d
Map: 7f1b0c953000-7f1b0c968000
Symbol: 102d0-102e9 g _Unwind_DeleteException
Arch: x86_64
Kernel: 3.10.23+
Tools: 3.13.rc1.g374a4d

Not all samples will be on the annotation output.

Please report to linux-kernel@vger.kernel.org

I first suspected it to be caused by this patch series, but I'm able to
reproduce without these patches as of this commit:

a51e87c perf tools: Remove unused simple_strtoul() function

gdb attributes 0x10370 to a different/known symbol.

(gdb) x /i 0x10370
0x10370 <get_cie_encoding+160>: cmp $0x4c,%dl

Is this known? Could this possibly be caused by stale histogram entries
from unmapped/remapped shared libs?

-Arun


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