Re: [PATCHv3 00/12] perf tools: Display eBPF code in intel_pt trace

Leo Yan
2019-05-30T14:05:23Z

Hi Arnaldo,

On Thu, May 30, 2019 at 10:36:45AM -0300, Arnaldo Carvalho de Melo wrote:

[...]

> One other way of testing this:
>
> I used perf trace's use of BPF, using:
>
> [root@quaco ~]# cat ~/.perfconfig
> [llvm]
> dump-obj = true
> clang-opt = -g
> [trace]
> add_events = /home/acme/git/perf/tools/perf/examples/bpf/augmented_raw_syscalls.c
> show_zeros = yes
> show_duration = no
> no_inherit = yes
> show_timestamp = no
> show_arg_names = no
> args_alignment = 40
> show_prefix = yes
>
> For arm64 this needs fixing, tools/perf/examples/bpf/augmented_raw_syscalls.c
> (its in the kernel sources) is still hard coded for x86_64 syscall numbers :-\

Thanks a lot for sharing this, I will test with this method and let you
and Jiri know the result in tomorrow.

[...]

Thanks,
Leo Yan