Re: [Qemu-devel] [PATCH v3 3/3] hw/arm/virt-acpi-build: Add PMU IRQ number in ACPI table

[Shannon Zhao <zhaoshenglong@huawei.com>]

On 2016/4/25 21:49, Shannon Zhao wrote:
> On 2016年04月25日 20:42, Andrew Jones wrote:
>> > On Mon, Apr 25, 2016 at 03:11:46PM +0800, Shannon Zhao wrote:
>>>> >> > From: Shannon Zhao <shannon.zhao@linaro.org>
>>>> >> > 
>>>> >> > Add PMU IRQ number in ACPI table, then we can use PMU in guest through
>>>> >> > ACPI.
>>>> >> > 
>>>> >> > Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
>>>> >> > Reviewed-by: Andrew Jones <drjones@redhat.com>
>>>> >> > ---
>>>> >> >  hw/arm/virt-acpi-build.c | 3 +++
>>>> >> >  1 file changed, 3 insertions(+)
>> > Question: for testing of this, did you use
>> > https://lkml.org/lkml/2016/4/12/755 ?
> Actually I didn't test PMU with ACPI since I didn't notice the patch
> series you point out and it's very obvious for QEMU changes(adding irq
> flag and irq number in GICC). I will have a test later.

I have test this patch series using ACPI and guest with the patches you
point out. Guest prints below logs and perf works well in guest.

[    0.000000] ACPI-PMU: Assign CPU 0 girq 23 level 0
[    0.000000] ACPI-PMU: Assign CPU 1 girq 23 level 0
[    0.000000] ACPI-PMU: Assign CPU 2 girq 23 level 0
[    0.000000] ACPI-PMU: Assign CPU 3 girq 23 level 0
[...]
[    0.094782] ACPI-PMU: Setting up 4 PMUs for CPU type D07

Thanks,
-- 
Shannon