From: Bob <yj...@16...> - 2008-10-30 03:36:05
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Hi, all I think i am very unlucky. There is another problem. I can't oprofile the kernel!! I had recompiled the kernel version 2.6.26 with kernel profiling support.Oprofile is able to generate symbol information for User app's/libraries & Dynamic kernel modules.But its not able to show symbol information for Vmlinux. # ./opcontrol --vmlinux=/mnt/lb0221_oprofile/vmlinux Using 2.6+ OProfile kernel interface. Reading module info. Using log file /var/lib/oprofile/samples/oprofiled.log Daemon started. Profiler running. But use opreport the result is always have not the information about the vmlinux... Is there something wrong with the vmlinux generation or what could be the possible reason. Thanks ------ Cheers, Bob |
From: Bob <yj...@16...> - 2008-10-30 05:37:59
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And My cpu is Atom, kernel version is 2.6.26, oprofile is 0.9.4 |
From: Bob <yj...@16...> - 2008-10-31 06:21:20
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Is there any help, I am really pullzed by this problem. The kernel has built with debug info. Any config is needed? |
From: Robert R. <rob...@am...> - 2008-10-31 13:02:31
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On 30.10.08 13:37:55, Bob wrote: > > And My cpu is Atom, kernel version is 2.6.26, oprofile is 0.9.4 Atom should be supported with the arch perfmon implementation. You have to use v2.6.28-rcX and the userland from cvs. -Robert -- Advanced Micro Devices, Inc. Operating System Research Center email: rob...@am... |
From: Bob <yj...@16...> - 2008-11-03 05:02:16
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But I think atom should be supported by timer interrupt default. And the result is that, we can't change the event mode(only timer interrupt mode), but the vmlinux symbole still should displayed. I really don't know there is why. Anyway, thanks a lot for your imformation. ---- Best Regards Bob Liu > >Atom should be supported with the arch perfmon implementation. You >have to use v2.6.28-rcX and the userland from cvs. > >-Robert > >-- >Advanced Micro Devices, Inc. >Operating System Research Center >email: rob...@am... > |