stephane eranian wrote:
> Martin,
>
> Which examples subsdir are you using?
>
> You must use examples_v2.x, examples is for the perfmon3 kernel API.
>
>
Thanks Stephane,
it works now.
>pwd
/var/tmp/martin/rpm-devel/rpm/BUILD/libpfm-3.8/examples_v2.x/x86
>./smpl_amd64_ibs sleep 3
sycall base 295
major version 2
minor version 82
AMD family=16 model=0x4 stepping=0x2 rev=C, AMD64 (Family 10h RevC,
Shanghai)
buffer mapped @0x7fd92c710000
hdr_cur_offs=128 version=1.0
task terminated
entry 0 PID:10026 TID:10026 CPU:9 LAST_VAL:0 IIP:0xffffffff80287641
PMD7 :0x000000000004ffff
PMD8 :0xffffffff802875ee
PMD9 :0x0000000000050003 : comptoret=3 tagtoretctr=5 opbrnresync=0
opmispret=0 opret=0 brntk=0 brnmips=0 bnrret=0
PMD10 :0x0000000000000000 : reqsrc=0 reqdstproc=remote reqcachehitst=0
PMD11 :0x0000000000000000 : ld=0 st=0 L1TLBmiss=0 L2TLBmiss=0
L1TLBhit2M=0 L1TLBhit1G=0 L2TLBhit2M=0 miss=0 misalign=0 ld_bankconf=0
st_bankconf=0 st_to_ld_conf=0 st_to_ld_canc=0 UCaccess=0 WCaccess=0
lock=0 MAB=0 linevalid=0 physvalid=0 miss_lat=0
PMD12 :0x0000000000000000
PMD13 :0x0000000000000000
1 samples (1 in partial buffer) collected in 0 buffer overflows
Martin
> On Mon, May 25, 2009 at 7:27 PM, Martin Vogt <v...@itwm.fraunhofer.de> wrote:
>> stephane eranian wrote:
>>> Martin,
>>>
>>> On Mon, May 25, 2009 at 6:16 PM, Martin Vogt <v...@itwm.fraunhofer.de>
>>> wrote:
>>>> Hello List,
>>>>
>>>> I have here a system with 32cores (shanghai) and
>>>> installed vanilla 2.6.28.1
>>>> with the lates perfmon-2.6.28-1.diff and libpfm.
>>>> (from the sourceforge page)
>>>>
>>>> The amd system seems to load the perfmon module:
>>>>
>>>>> perfmon: found family=16 IBSCTL=0x101
>>>>> perfmon: NorthBridge socket-level event access control: enabled
>>>>> perfmon: IBS supported
>>>>> perfmon: AMD64 PMU installed
>>>> But when I'm in:
>>>>
>>>>> libpfm-3.8/examples/x86
>>>> I get:
>>>>> ./smpl_amd64_ibs ls
>>>>> Your kernel does not have performance monitoring support!
>>> Typically you get this message if there is a mismatch between
>>> the libpfm perfmon syscall numbers and the kernel. Make sure
>>> that the examples are linked with the correct libpfm (the one the
>>> example belongs to). You may have one installed already.
>> I'm very sure that it uses the right libpfm:
>>
>> cc -o smpl_amd64_ibs -O2 -g -Wall -Werror
>> -I/var/tmp/martin/rpm-devel/rpm/BUILD/libpfm-3.8/examples/x86/../../include
>> smpl_amd64_ibs.o
>> /var/tmp/martin/rpm-devel/rpm/BUILD/libpfm-3.8/examples/x86/../../lib/libpfm.a
>> ../detect_pmcs.o -lm
>> v...@amd32[x86]>ll ../../lib/libpfm.*
>> -rw-r--r-- 1 vogt slg 1014882 2009-05-25 19:21 ../../lib/libpfm.a
>> lrwxrwxrwx 1 vogt slg 15 2009-05-25 19:22 ../../lib/libpfm.so ->
>> libpfm.so.3.8.0
>> lrwxrwxrwx 1 vogt slg 15 2009-05-25 19:22 ../../lib/libpfm.so.3 ->
>> libpfm.so.3.8.0
>> -rwxr-xr-x 1 vogt slg 833412 2009-05-25 19:22 ../../lib/libpfm.so.3.8.0
>>
>> Martin
>>
>>
--
=============================================
Martin Vogt
ITWM - Fraunhofer Institut fuer
Techno- und Wirtschaftsmathematik
Fraunhofer-Platz 1
D-67663 Kaiserslautern, Germany
Tel. +49 (0) 631/31600 4356, Fax -5356
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