>>> On Sat, Aug 26, 2023 at 04:38:53PM +0800, Inochi Amaoto wrote: >>>> D1 has several pmu events supported by opensbi. >>>> These events can be used by perf for profiling. >>>> >>>> Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxxxx> >>> >>> Could you please include a link to some documentation as to where these >>> values came from? I know several people have had some trouble with >>> understanding the pmu DT stuff & having some documentation would make >>> this an in-tree end-to-end example. > >> The DT field of riscv,pmu for opensbi can be found on: >> https://github.com/riscv-software-src/opensbi/blob/master/docs/pmu_support.md > >There's an actual dt-binding for this. > >> The value can be found in the R1S0 version of C906 documentation: >> https://dl.linux-sunxi.org/D1/Xuantie_C906_R1S0_User_Manual.pdf >> >> The meaning of T-HEAD events can be found in this patch: >> https://lore.kernel.org/linux-perf-users/IA1PR20MB4953DD82D0116EC291C21777BBE2A@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx >> >> The patch above also provides documentation for T-HEAD events and a example >> that shows how to use perf with T-HEAD events. > >What I meant was can you provide links to this in the commit messages so >that people have a way to find the documentation. OK, I will setup a new patch to cover these info.
