On Tue, Apr 13, 2010 at 03:39:21PM -0400, Rostedt wrote:
>
>
> On Apr 13, 2010, at 3:18 PM, Frederic Weisbecker <fweisbec@xxxxxxxxx>
> wrote:
>
>> On Mon, Apr 12, 2010 at 11:43:00PM -0700, David Miller wrote:
>>>
>>> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
>>> ---
>>> arch/sparc/Kconfig | 2 +
>>> arch/sparc/kernel/Makefile | 1 +
>>> arch/sparc/kernel/ftrace.c | 58 +++++++++++++++++++++++++++++
>>> +++++++
>>> arch/sparc/kernel/irq_64.c | 3 +-
>>> arch/sparc/kernel/kgdb_64.c | 3 +-
>>> arch/sparc/kernel/pcr.c | 3 +-
>>> arch/sparc/kernel/smp_64.c | 11 ++++---
>>> arch/sparc/kernel/time_64.c | 3 +-
>>> arch/sparc/kernel/vmlinux.lds.S | 1 +
>>> arch/sparc/lib/mcount.S | 62 +++++++++++++++++++++++++++++
>>> ++++++----
>>> 10 files changed, 132 insertions(+), 15 deletions(-)
>>
>>
>>
>> Works very well :)
>>
>> 63) | do_sparc64_fault() {
>> 63) 6.153 us | down_read_trylock();
>> 63) 5.164 us | find_vma();
>> 63) | handle_mm_fault() {
>> 63) 2.966 us | add_preempt_count();
>> 63) 2.856 us | sub_preempt_count();
>> 63) | _raw_spin_lock() {
>> 63) 2.857 us | add_preempt_count();
>> 63) 3.076 us | add_preempt_count();
>> 63) 2.527 us | sub_preempt_count();
>> 63) + 23.513 us | }
>>
>
> I just had to comment on the CPU count.
>
> Nice ;-)
>
> -- Steve
Heh yeah. The trace/trace_pipe in the main directory are basically
unusable there. Only per_cpu can make it :)
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