Messages in this thread | | | Date | Wed, 22 Sep 2021 08:25:43 +0300 | From | Nikita Shubin <> | Subject | Re: [v3 01/10] RISC-V: Remove the current perf implementation |
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On Wed, 22 Sep 2021 08:11:44 +0300 nikita.shubin@maquefel.me wrote:
> Hello Atish. > > 10.09.2021, 22:28, "Atish Patra" <atish.patra@wdc.com>: > > > The current perf implementation in RISC-V is not very useful as it > > can not count any events other than cycle/instructions. Moreover, > > perf record can not be used or the events can not be started or > > stopped. > > > > Remove the implementation now for a better platform driver in future > > that will implement most of the missing functionality. > Your v3 version still breaks the build with CONFIG_BPF_SYSCALL > enabled: > kernel/events/core.c: In function 'bpf_overflow_handler': > kernel/events/core.c:9914:18: error: assignment to > 'bpf_user_pt_regs_t *' {aka 'struct user_regs_struct *'} from > incompatible pointer type 'struct pt_regs *' > [-Werror=incompatible-pointer-types] 9914 | ctx.regs = > perf_arch_bpf_user_pt_regs(regs); | ^
Sorry for the noise.
Everything complies fine - i mistaken and applied older version again.
> Yours, > Nikita Shubin. >
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