Re: [RFC PATCH 4/6] riscv: perf: Add raw event support

On Mon, Jun 29, 2020 at 8:49 AM Zong Li wrote: > > Add support for raw events and hardware cache events. Currently, we set > the events by writing the mhpmeventN CSRs, it would raise an illegal > instruction exception and trap into m-mode to emulate event selector > CSRs access. It doesn't make se

Re: [RFC PATCH 4/6] riscv: perf: Add raw event support

On Mon, Jun 29, 2020 at 10:05 AM Zong Li wrote: > > On Mon, Jun 29, 2020 at 12:17 PM Anup Patel wrote: > > > > On Mon, Jun 29, 2020 at 8:49 AM Zong Li wrote: > > > > > > Add support for raw events and hardware cache events. Currently, we set > > > the events by writing the mhpmeventN CSRs, it wo

Re: [RFC PATCH 4/6] riscv: perf: Add raw event support

On Mon, Jun 29, 2020 at 12:17 PM Anup Patel wrote: > > On Mon, Jun 29, 2020 at 8:49 AM Zong Li wrote: > > > > Add support for raw events and hardware cache events. Currently, we set > > the events by writing the mhpmeventN CSRs, it would raise an illegal > > instruction exception and trap into m-