|To:||Matej Kupljen <firstname.lastname@example.org>|
|Subject:||Re: Where is op_model_mipsxx.c ?|
|From:||David Daney <email@example.com>|
|Date:||Tue, 25 Oct 2005 08:01:31 -0700|
|References:||<4343525A.firstname.lastname@example.org> <20051005104437.GG2699@linux-mips.org> <email@example.com>|
|User-agent:||Mozilla Thunderbird 1.0.7-1.1.fc3 (X11/20050929)|
Matej Kupljen wrote:
HiI've got oprofile support for MIPS32 / MIPS64 style counters in the queue. It still needs some debugging to become actually useful but anyway, I'm going to check those patches into git in a few minutes.Can these be used on the AMD AU1200 core? (I don't see Register 25 on Coprocessor 0) If OProfile cannot be used, what can I use to profile the kernel?
If there are no performance counters, OProfile can still use the system timer to take samples each clock tick. This is the way I am using it.
To use it in this manner you have to hack up the code a bit so that the return value of oprofile_arch_init() (in oprofile/common.c) is -ENODEV.
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