Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

2021-04-08 Thread Will Deacon
Hi John, On Thu, Apr 08, 2021 at 01:55:02PM +0100, John Garry wrote: > On 08/04/2021 10:01, Jonathan Cameron wrote: > > On Wed, 7 Apr 2021 21:40:05 +0100 > > Will Deacon wrote: > > > > > On Wed, Apr 07, 2021 at 05:49:02PM +0800, Qi Liu wrote: > > > > PCIe PMU Root Complex Integrated End

Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

2021-04-08 Thread John Garry
On 08/04/2021 10:01, Jonathan Cameron wrote: On Wed, 7 Apr 2021 21:40:05 +0100 Will Deacon wrote: On Wed, Apr 07, 2021 at 05:49:02PM +0800, Qi Liu wrote: PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported to sample bandwidth, latency, buffer occupation etc. Each PMU RCiEP

Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

2021-04-08 Thread Jonathan Cameron
On Wed, 7 Apr 2021 21:40:05 +0100 Will Deacon wrote: > On Wed, Apr 07, 2021 at 05:49:02PM +0800, Qi Liu wrote: > > PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported > > to sample bandwidth, latency, buffer occupation etc. > > > > Each PMU RCiEP device monitors multiple root

Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

2021-04-07 Thread Will Deacon
On Wed, Apr 07, 2021 at 05:49:02PM +0800, Qi Liu wrote: > PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported > to sample bandwidth, latency, buffer occupation etc. > > Each PMU RCiEP device monitors multiple root ports, and each RCiEP is > registered as a pmu in

Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

2021-04-07 Thread kernel test robot
Hi Qi, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.12-rc6] [cannot apply to next-20210407] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base'

[PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

2021-04-07 Thread Qi Liu
PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported to sample bandwidth, latency, buffer occupation etc. Each PMU RCiEP device monitors multiple root ports, and each RCiEP is registered as a pmu in /sys/bus/event_source/devices, so users can select target PMU, and use filter to