Perf not resolving all symbols, showing 0x7ffffxxx

Martin Hicks mort at bork.org
Wed Oct 16 05:44:46 EST 2013


On Tue, Oct 15, 2013 at 11:30 AM, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> On Tue, 2013-10-15 at 09:59 -0400, Martin Hicks wrote:
>> I've tracked the start of the strange instruction pointers in 'perf
>> report' to a commit by Anton:
>>
>> commit 75382aa72f06823db7312ad069c3bae2eb3f8548
>> Author: Anton Blanchard <anton at samba.org>
>> Date:   Tue Jun 26 01:01:36 2012 +0000
>>
>>     powerpc/perf: Move code to select SIAR or pt_regs into perf_read_regs
>>
>> I don't know enough about PPC to know what's going on, but reverting
>> the changes to perf_instruction_pointer() gets me reasonable 'perf
>> report' output with 3.11.
>
> This is an e300 core right ? (603...). Do that have an SIAR at all
> (Scott ?)

Yes, e300c3.

mh

-- 
Martin Hicks P.Eng.      |         mort at bork.org
Bork Consulting Inc.     |   +1 (613) 266-2296


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