Re: [RFC PATCH v2 00/37] perf tools: introduce 'perf bpf' command to load eBPF programs.

[Ingo Molnar]

* Wangnan (F) <wangnan0@xxxxxxxxxx> wrote:

>   perf tools: Set vmlinux_path__nr_entries to 0 in vmlinux_path__exit
>   tools lib traceevent: Install libtraceevent.a into libdir
>   tools: Allow other override features to check

Hm, to check what? Not sure I can parse this sentence at a glance.

>   tools: Add __aligned_u64 to types.h
>   tools lib bpf: Introduce 'bpf' library to tools
>   tools lib bpf: Allow set printing function
>   tools lib bpf: Define basic interface

So you changed 'tools perf' to 'perf tools', but you should probably 
find a better name for 'tools lib bpf' as well, say:

    bpf tools: Define basic interface

?

>   tools lib bpf: Open eBPF object file and do basic validation
>   tools lib bpf: Check swap according to EHDR
>   tools lib bpf: Iterater over elf sections to collect information

s/Iterater
  Iterate

s/elf
  ELF

>   tools lib bpf: Collect version and license from ELF

'ELF' is not a noun really. From ELF binaries? From ELF sections?

>   tools lib bpf: Collect map definitions
>   tools lib bpf: Collect config section in object
>   tools lib bpf: Collect symbol table in object files
>   tools lib bpf: Collect bpf programs from object files
>   tools lib bpf: Collect relocation sections from object file
>   tools lib bpf: Collect relocation instructions for each program
>   tools lib bpf: Clean elf memory after loading
>   tools lib bpf: Add bpf.c/h for common bpf operations
>   tools lib bpf: Create maps needed by object file
>   tools lib bpf: Relocate programs
>   tools lib bpf: Introduce bpf_load_program to bpf.c

s/bpf_load_program
  bpf_load_program

>   tools lib bpf: Load bpf programs in object file into kernel
>   tools lib bpf: Introduce accessors of bpf_program
>   tools lib bpf: Introduce accessors for struct bpf_object

so 'of' bpf_program, but 'for' struct bpf_object?

>   perf tools: Add new 'perf bpf' command
>   perf tools: Make perf depend on libbpf
>   perf bpf: Add 'perf bpf record' subcommand
>   perf bpf: Add bpf-loader and open elf object files

s/elf
  ELF

>   perf bpf: Collect all bpf programs
>   perf bpf: Parse probe points of eBPF programs during prepartion

s/prepartion
  preparation

>   perf bpf: Probe at kprobe points
>   perf bpf: Load eBPF object into kernel
>   perf tools: Add a bpf_wrapper global flag
>   perf tools: Add bpf_fd field to evsel and introduce new event syntax
>   perf bpf: Generate event argv for other commands
>   perf bpf: Pass generated arguments to cmd_record

s/cmd_record
  cmd_record()

Thanks,

	Ingo
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