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* [PATCH] riscv: Add HAVE_IRQ_TIME_ACCOUNTING
@ 2020-10-28  4:28 Kefeng Wang
  2020-11-12  8:56 ` Kefeng Wang
  0 siblings, 1 reply; 3+ messages in thread
From: Kefeng Wang @ 2020-10-28  4:28 UTC (permalink / raw)
  To: Paul Walmsley, Palmer Dabbelt, Albert Ou, Jonathan Corbet, linux-riscv
  Cc: Kefeng Wang

RISCV_TIMER/CLINT_TIMER is required for RISC-V system, and it
provides sched_clock, which allow us to enable IRQ_TIME_ACCOUNTING.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 Documentation/features/time/irq-time-acct/arch-support.txt | 2 +-
 arch/riscv/Kconfig                                         | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/features/time/irq-time-acct/arch-support.txt b/Documentation/features/time/irq-time-acct/arch-support.txt
index d9082b91f10e..6fc03deb1c38 100644
--- a/Documentation/features/time/irq-time-acct/arch-support.txt
+++ b/Documentation/features/time/irq-time-acct/arch-support.txt
@@ -23,7 +23,7 @@
     |    openrisc: | TODO |
     |      parisc: |  ..  |
     |     powerpc: |  ok  |
-    |       riscv: | TODO |
+    |       riscv: |  ok  |
     |        s390: |  ..  |
     |          sh: | TODO |
     |       sparc: |  ..  |
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 44377fd7860e..dfbc1351ee62 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -68,6 +68,7 @@ config RISCV
 	select HAVE_FUTEX_CMPXCHG if FUTEX
 	select HAVE_GCC_PLUGINS
 	select HAVE_GENERIC_VDSO if MMU && 64BIT
+	select HAVE_IRQ_TIME_ACCOUNTING
 	select HAVE_PCI
 	select HAVE_PERF_EVENTS
 	select HAVE_PERF_REGS
-- 
2.26.2


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^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] riscv: Add HAVE_IRQ_TIME_ACCOUNTING
  2020-10-28  4:28 [PATCH] riscv: Add HAVE_IRQ_TIME_ACCOUNTING Kefeng Wang
@ 2020-11-12  8:56 ` Kefeng Wang
  2020-11-21  2:03   ` Palmer Dabbelt
  0 siblings, 1 reply; 3+ messages in thread
From: Kefeng Wang @ 2020-11-12  8:56 UTC (permalink / raw)
  To: Paul Walmsley, Palmer Dabbelt, Albert Ou, Jonathan Corbet, linux-riscv

Any comments, kindly ping...

On 2020/10/28 12:28, Kefeng Wang wrote:
> RISCV_TIMER/CLINT_TIMER is required for RISC-V system, and it
> provides sched_clock, which allow us to enable IRQ_TIME_ACCOUNTING.
>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
>   Documentation/features/time/irq-time-acct/arch-support.txt | 2 +-
>   arch/riscv/Kconfig                                         | 1 +
>   2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/features/time/irq-time-acct/arch-support.txt b/Documentation/features/time/irq-time-acct/arch-support.txt
> index d9082b91f10e..6fc03deb1c38 100644
> --- a/Documentation/features/time/irq-time-acct/arch-support.txt
> +++ b/Documentation/features/time/irq-time-acct/arch-support.txt
> @@ -23,7 +23,7 @@
>       |    openrisc: | TODO |
>       |      parisc: |  ..  |
>       |     powerpc: |  ok  |
> -    |       riscv: | TODO |
> +    |       riscv: |  ok  |
>       |        s390: |  ..  |
>       |          sh: | TODO |
>       |       sparc: |  ..  |
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 44377fd7860e..dfbc1351ee62 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -68,6 +68,7 @@ config RISCV
>   	select HAVE_FUTEX_CMPXCHG if FUTEX
>   	select HAVE_GCC_PLUGINS
>   	select HAVE_GENERIC_VDSO if MMU && 64BIT
> +	select HAVE_IRQ_TIME_ACCOUNTING
>   	select HAVE_PCI
>   	select HAVE_PERF_EVENTS
>   	select HAVE_PERF_REGS

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] riscv: Add HAVE_IRQ_TIME_ACCOUNTING
  2020-11-12  8:56 ` Kefeng Wang
@ 2020-11-21  2:03   ` Palmer Dabbelt
  0 siblings, 0 replies; 3+ messages in thread
From: Palmer Dabbelt @ 2020-11-21  2:03 UTC (permalink / raw)
  To: wangkefeng.wang; +Cc: corbet, linux-riscv, aou, Paul Walmsley

On Thu, 12 Nov 2020 00:56:13 PST (-0800), wangkefeng.wang@huawei.com wrote:
> Any comments, kindly ping...

I guess I missed this one too.  It's now on for-next as well.  Thanks!

>
> On 2020/10/28 12:28, Kefeng Wang wrote:
>> RISCV_TIMER/CLINT_TIMER is required for RISC-V system, and it
>> provides sched_clock, which allow us to enable IRQ_TIME_ACCOUNTING.
>>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>> ---
>>   Documentation/features/time/irq-time-acct/arch-support.txt | 2 +-
>>   arch/riscv/Kconfig                                         | 1 +
>>   2 files changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/features/time/irq-time-acct/arch-support.txt b/Documentation/features/time/irq-time-acct/arch-support.txt
>> index d9082b91f10e..6fc03deb1c38 100644
>> --- a/Documentation/features/time/irq-time-acct/arch-support.txt
>> +++ b/Documentation/features/time/irq-time-acct/arch-support.txt
>> @@ -23,7 +23,7 @@
>>       |    openrisc: | TODO |
>>       |      parisc: |  ..  |
>>       |     powerpc: |  ok  |
>> -    |       riscv: | TODO |
>> +    |       riscv: |  ok  |
>>       |        s390: |  ..  |
>>       |          sh: | TODO |
>>       |       sparc: |  ..  |
>> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
>> index 44377fd7860e..dfbc1351ee62 100644
>> --- a/arch/riscv/Kconfig
>> +++ b/arch/riscv/Kconfig
>> @@ -68,6 +68,7 @@ config RISCV
>>   	select HAVE_FUTEX_CMPXCHG if FUTEX
>>   	select HAVE_GCC_PLUGINS
>>   	select HAVE_GENERIC_VDSO if MMU && 64BIT
>> +	select HAVE_IRQ_TIME_ACCOUNTING
>>   	select HAVE_PCI
>>   	select HAVE_PERF_EVENTS
>>   	select HAVE_PERF_REGS

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-11-21  2:03 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-10-28  4:28 [PATCH] riscv: Add HAVE_IRQ_TIME_ACCOUNTING Kefeng Wang
2020-11-12  8:56 ` Kefeng Wang
2020-11-21  2:03   ` Palmer Dabbelt

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