lkml.org 
[lkml]   [2022]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v8 2/4] soc: qcom: icc-bwmon: Add bandwidth monitoring driver
From
Hi,

On 7/4/22 05:17, Krzysztof Kozlowski wrote:
> diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
> index e718b8735444..2c8091535bf7 100644
> --- a/drivers/soc/qcom/Kconfig
> +++ b/drivers/soc/qcom/Kconfig
> @@ -228,4 +228,19 @@ config QCOM_APR
> application processor and QDSP6. APR is
> used by audio driver to configure QDSP6
> ASM, ADM and AFE modules.
> +
> +config QCOM_ICC_BWMON
> + tristate "QCOM Interconnect Bandwidth Monitor driver"
> + depends on ARCH_QCOM || COMPILE_TEST
> + select PM_OPP
> + help
> + Sets up driver monitoring bandwidth on various interconnects and

Sets up driver bandwidth monitoring

would be better, I think.

> + based on that voting for interconnect bandwidth, adjusting their
> + speed to current demand.
> + Current implementation brings support for BWMON v4, used for example
> + on SDM845 to measure bandwidth between CPU (gladiator_noc) and Last
> + Level Cache (memnoc). Usage of this BWMON allows to remove some of
> + the fixed bandwidth votes from cpufreq (CPU nodes) thus achieve high
> + memory throughput even with lower CPU frequencies.

--
~Randy

\
 
 \ /
  Last update: 2022-07-04 17:21    [W:0.147 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site