OK, Thanks

root@OpenWrt:/proc# cat /dev/oprofile/cpu_type
mips/24K

The oprofiled.log:

Thu Jan  1 09:42:46 1970

Nr. sample dumps: 6
Nr. non-backtrace samples: 0
Nr. kernel samples: 0
Nr. lost samples (no kernel/user): 0
Nr. lost kernel samples: 0
Nr. incomplete code structs: 0
Nr. samples lost due to sample file open failure: 0
Nr. samples lost due to no permanent mapping: 0
Nr. event lost due to buffer overflow: 0
Nr. samples lost due to no mapping: 0
Nr. backtraces skipped due to no file mapping: 0
Nr. samples lost due to no mm: 0
Nr. samples lost cpu buffer overflow: 0
Nr. samples received: 0
Nr. backtrace aborted: 0
Nr. samples lost invalid pc: 0

oprofile could support MIPS 24K?

2009/12/3 Joe Hewitt <joe.z.hewitt@gmail.com>
You can attach your oprofiled.log, cat /dev/oprofile/cpu_type and the
command sequence etc. thus guys here can  help diagnosis.

On Thu, Dec 3, 2009 at 2:13 PM, Yongheng Qi <jetever@gmail.com> wrote:
> Thanks Joe,
>
> I tried your commad , the result is same as before.
>
> root@OpenWrt:/tmp/lib/oprofile/samples# opreport session:foosession
> opreport error: No sample file found: try running opcontrol --dump
> or specify a session containing sample files
>
> Thanks
>
> 2009/12/3 Joe Hewitt <joe.z.hewitt@gmail.com>
>>
>> these 2:
>>
>> > opcontrol --dump --session-dir=/var/lib/oprofile
>> > opreport -l --session-dir=/var/lib/oprofile
>>
>> instead, try
>>
>> opcontrol --save=foosession
>> opreport session:foosession
>>
>> you can ref oprofile online doc for explanation and samples.
>>
>> On Thu, Dec 3, 2009 at 1:19 PM, Yongheng Qi <jetever@gmail.com> wrote:
>> > Dear All:
>> >
>> > I am a newbie use oprifile. I run it on my openwrt , the kernel version
>> > is
>> > 2.6.26. run on a MIPS 24K cpu
>> >
>> > used oprofile version is 0.94. This is my command:
>> >
>> > opcontrol --init
>> > opcontrol --setup --event=CYCLES:5000:0:1:0 --vmlinux=/etc/vmlinux
>> > --session-dir=/var/lib/oprofile
>> > opcontrol --start
>> >
>> > wait a monent, because I want to optimize linux kernel and driver, thay
>> > all
>> > run at kernel level.
>> >
>> > opcontrol --dump --session-dir=/var/lib/oprofile
>> > opreport -l --session-dir=/var/lib/oprofile
>> > then, the result is:
>> > opreport error: No sample file found: try running opcontrol --dump
>> > or specify a session containing sample files
>> >
>> > I try to a million times. and find many FAQ, don't solve. Anyone could
>> > help
>> > me?
>> >
>> > Thanks
>> >
>> > --
>> > Yongheng Qi
>> >
>> > Mobile: +86 1390 119 7481
>> >
>> >
>> > ------------------------------------------------------------------------------
>> > Join us December 9, 2009 for the Red Hat Virtual Experience,
>> > a free event focused on virtualization and cloud computing.
>> > Attend in-depth sessions from your desk. Your couch. Anywhere.
>> > http://p.sf.net/sfu/redhat-sfdev2dev
>> > _______________________________________________
>> > oprofile-list mailing list
>> > oprofile-list@lists.sourceforge.net
>> > https://lists.sourceforge.net/lists/listinfo/oprofile-list
>> >
>> >
>>
>>
>>
>> --
>> Joe H
>
>
>
> --
> Yongheng Qi
>
> Mobile: +86 1390 119 7481
>



--
Joe H



--
Yongheng Qi  

Mobile: +86 1390 119 7481