Re: [kvm-unit-tests PATCH v3 00/10] arm/arm64: Add IPI/LPI/vtimer latency test

[Jingyi Wang <wangjingyi11@huawei.com>]

On 7/31/2020 8:01 PM, Andrew Jones wrote:
> On Fri, Jul 31, 2020 at 03:42:34PM +0800, Jingyi Wang wrote:
>> With the development of arm gic architecture, we think it will be useful
>> to add some performance test in kut to measure the cost of interrupts.
>> In this series, we add GICv4.1 support for ipi latency test and
>> implement LPI/vtimer latency test.
>>
>> This series of patches has been tested on GICv4.1 supported hardware.
>>
>> Note:
>> Based on patch "arm/arm64: timer: Extract irqs at setup time",
>> https://www.spinics.net/lists/kvm-arm/msg41425.html
>>
>> * From v2:
>>    - Code and commit message cleanup
>>    - Clear nr_ipi_received before ipi_exec() thanks for Tao Zeng's review
>>    - rebase the patch "Add vtimer latency test" on Andrew's patch
> 
> It'd be good if you'd reposted my patch along with this series, since we
> didn't merge mine yet either. Don't worry about now, though, I'll pick it
> up the same time I pick up this series, which I plan to do later today
> or tomorrow.
> 
> Getting this series applied will allow me to try out our new and shiny
> gitlab repo :-)
> 
> Thanks,
> drew
> 

Thanks for your reviewing and fix.

>>    - Add test->post() to get actual PPI latency
>>
>> * From v1:
>>    - Fix spelling mistake
>>    - Use the existing interface to inject hw sgi to simply the logic
>>    - Add two separate patches to limit the running times and time cost
>>      of each individual micro-bench test
>>
>> Jingyi Wang (10):
>>    arm64: microbench: get correct ipi received num
>>    arm64: microbench: Generalize ipi test names
>>    arm64: microbench: gic: Add ipi latency test for gicv4.1 support kvm
>>    arm64: its: Handle its command queue wrapping
>>    arm64: microbench: its: Add LPI latency test
>>    arm64: microbench: Allow each test to specify its running times
>>    arm64: microbench: Add time limit for each individual test
>>    arm64: microbench: Add vtimer latency test
>>    arm64: microbench: Add test->post() to further process test results
>>    arm64: microbench: Add timer_post() to get actual PPI latency
>>
>>   arm/micro-bench.c          | 256 ++++++++++++++++++++++++++++++-------
>>   lib/arm/asm/gic-v3.h       |   3 +
>>   lib/arm/asm/gic.h          |   1 +
>>   lib/arm64/gic-v3-its-cmd.c |   3 +-
>>   4 files changed, 219 insertions(+), 44 deletions(-)
>>
>> -- 
>> 2.19.1
>>
>>
> 
> 
> .
> 

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