[Xen-users] Problem with debug symbols on xen kernel in xenoprofile

[Marcin Radczuk <m.radczuk@xxxxxxxxxxxx>]

Hi,

I have a strange problem when trying profilling domU (dom0 and domU on 
Debian 4.0). I use vmlinuz-2.6.18-6-xen-amd64 and for debug symbols 
vmlinux-2.6.18-6-xen-amd64. I installed oprofile with xen patch 
(http://www.xen.org/files/summit_3/xenoprof_tutorial.pdf). I get debug 
symbols from kernel, but don't get debug symbols from xen kernel witch 
is xen-3.2-1-amd64.gz and uncompressed xen-3.2-1-amd64-syms. I get 
uncompressed xen kernel when I take uncompressed xen kernel from 
./xen-3-3.2.1/debian/build/build-hypervisor_amd64_amd64/xen/xen-syms. I 
have no idea what can i do more. Compressed and uncompressed kernel are 
the same, compressed and uncompressed xen kernel ar also the same, but 
still I get no debug symbols when oprofilling:
warning: /ext3 could not be found.
warning: /ipv6 could not be found.
warning: /jbd could not be found.
warning: /oprofile could not be found.
warning: /reiserfs could not be found.
warning: /xen-unknown could not be found.

942547   23.6077  xen-unknown              (no symbols)
104076    2.6068  libstdc++.so.6.0.8       (no symbols)
97680     2.4466  bash                     (no symbols)
27199     0.6812  syslog-ng                (no symbols)
25012     0.6265  spread                   (no symbols)
18279     0.4578  libndbclient.so.4.0.0    (no symbols)
17654     0.4422  oprofile                 (no symbols)
11101     0.2780  reiserfs                 (no symbols)
5558      0.1392  libnetsnmp.so.9.0.1      (no symbols)
4006      0.1003  libcrypto.so.0.9.8       (no symbols)
2971      0.0744  libboost_thread-gcc41-mt-1_34_1.so.1.34.1 (no symbols)
2824      0.0707  libspread.so.2.0         (no symbols)
2273      0.0569  sed                      (no symbols)
2156      0.0540  php5                     (no symbols)
2137      0.0535  mawk                     (no symbols)
1971      0.0494  ext3                     (no symbols)
1759      0.0441  libdb-4.3.so             (no symbols)
1617      0.0405  libodbc.so.1.0.0         (no symbols)
1446      0.0362  libz.so.1.2.3            (no symbols)
1341      0.0336  jbd                      (no symbols)
1306      0.0327  grep                     (no symbols)
1184      0.0297  libnetsnmpagent.so.9.0.1 (no symbols)
1118      0.0280  libmysqlclient_r.so.15.0.0 (no symbols)
1047      0.0262  monit                    (no symbols)
1020      0.0255  libbfd-2.17.so           (no symbols)
719       0.0180  libncurses.so.5.5        (no symbols)
...

I run on dom0:
opcontrol --start-daemon --event=default 
--xen=/boot/xen-3.2-1-amd64-syms 
--vmlinux=/boot/vmlinux-2.6.18-6-xen-amd64 --active-domains=2
on domU:
opcontrol --start --event=default --xen=/boot/xen-3.2-1-amd64-syms 
--vmlinux=/boot/vmlinux-2.6.18-6-xen-amd64
dom0:
opcontrol --start

after some time:
on dom0:
opcontrol --stop

Best regards

--
Marcin Radczuk
Infrastruktura, Administrator

Gadu-Gadu S.A. http://www.gadu-gadu.pl
Al. Stanów Zjednoczonych 61 04-028 Warszawa
tel.: +48 22 5146499 wew 60 fax.: +48 22 5146498 gg:16278

Spółka zarejestrowana w Sądzie Rejonowym dla m. st. Warszawy, XIII
Wydział Gospodarczy KRS pod numerem 0000264575, NIP 867-19-48-977.
Kapitał zakładowy: 1 758 461,10 zł - wpłacony w całości.


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