From: Moyard, John <John.Moyard@ea...> - 2005-11-23 16:54:16
Thanks for your answer. I will read your FAQ carefully and see what I=20
William Cohen wrote:
>Moyard, John wrote:
>>I tried to run Oprofile 0.9.1 on Linux 2.4.21-4.ELsmp SMP platform.
>>I have installed Oprofile using '--with-linux' configure option.
>>But when I run 'opcontrol --start' after a 'opcontrol=20
>>--vmlinux=3D/boot/vmlinux-2.4.21-4.ELsmp', I have the error message:
>>Using 2.6+ OProfile kernel interface.
>>kernel_start =3D c0100000, kernel_end =3D c027d1df
>>op_read_int_from_file: Failed to open /dev/oprofile//pointer_size,=20
>>reason No such file or directory
>>Couldn't start oprofiled.
>>Check the log file "/var/lib/oprofile/oprofiled.log" and kernel syslog
>>Could someone help me ?
>>Is-it due to a problem of Linux version?
>It looks like you are using a RHEL kernel with a later version of=20
>OProfile. During the development there have been changes to the =
>interface between user-space and the kernel. Unless, you know the=20
>details of the changes between the different version of OProfile, =
>of kernel and oprofile versions is discouraged.
>The FAQ I have on OProfile for Red Hat stuff is a little out of date,=20
>but it provides a bit more information.
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