Re: [PATCH v3 2/8] hisi_ptt: Register PMU device for PTT trace

2022-02-07 Thread Yicong Yang via iommu
On 2022/2/7 19:42, Jonathan Cameron wrote: > On Mon, 24 Jan 2022 21:11:12 +0800 > Yicong Yang wrote: > >> Register PMU device of PTT trace, then users can use >> trace through perf command. The driver makes use of perf >> AUX trace and support following events to configure the >> trace: >> >> - f

Re: [PATCH v3 2/8] hisi_ptt: Register PMU device for PTT trace

2022-02-07 Thread Jonathan Cameron via iommu
On Mon, 24 Jan 2022 21:11:12 +0800 Yicong Yang wrote: > Register PMU device of PTT trace, then users can use > trace through perf command. The driver makes use of perf > AUX trace and support following events to configure the > trace: > > - filter: select Root port or Endpoint to trace > - type:

[PATCH v3 2/8] hisi_ptt: Register PMU device for PTT trace

2022-01-24 Thread Yicong Yang via iommu
Register PMU device of PTT trace, then users can use trace through perf command. The driver makes use of perf AUX trace and support following events to configure the trace: - filter: select Root port or Endpoint to trace - type: select the type of traced TLP headers - direction: select the directi