On 13.09.10 07:18:50, Matt Fleming wrote:

On Mon, Sep 13, 2010 at 11:08:53AM +0100, Will Deacon wrote:

quoted

I've tested this patch series on a multicore Cortex-A9 board. If I
revert patch 5/6 (ARM: Make oprofile depend on CONFIG_HW_PERF_EVENTS)
then everything seems to work fine. Otherwise, testing without
HW_PERF_EVENTS doesn't fall back to timer mode.

So, with the exception of the patch above:

Tested-by: Will Deacon <redacted>

Hi Will, thanks for testing!

Ah yeah, making oprofile rely on CONFIG_HW_PERF_EVENTS is too
strict. I hadn't noticed that armpmu_get_pmu_id() is wrapped in
CONFIG_HW_PERF_EVENTS and had intended op->cpu_type to be NULL and so
we'd fallback to the timer mode.

This patch needs to be dropped entirely (though another patch should
conditionally include oprofile_perf.o based on CONFIG_HW_PERF_EVENT
like I had in my original series).

Matt,

yes, the patch set looks good so far. With the exception of some minor
comments I made and patch #5 dropped, we should be fine. Please update
the patches.

Thanks,

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center