On Wed, May 6, 2020 at 10:42 PM Yonghong Song <yhs@xxxxxx> wrote: > > Two new libbpf APIs are added to support bpf_iter: > - bpf_program__attach_iter > Given a bpf program and additional parameters, which is > none now, returns a bpf_link. > - bpf_iter_create > syscall level API to create a bpf iterator. > > The macro BPF_SEQ_PRINTF are also introduced. The format > looks like: > BPF_SEQ_PRINTF(seq, "task id %d\n", pid); > > This macro can help bpf program writers with > nicer bpf_seq_printf syntax similar to the kernel one. > > Signed-off-by: Yonghong Song <yhs@xxxxxx> > --- Looks great! Acked-by: Andrii Nakryiko <andriin@xxxxxx> > tools/lib/bpf/bpf.c | 10 +++++++ > tools/lib/bpf/bpf.h | 2 ++ > tools/lib/bpf/bpf_tracing.h | 16 ++++++++++++ > tools/lib/bpf/libbpf.c | 52 +++++++++++++++++++++++++++++++++++++ > tools/lib/bpf/libbpf.h | 9 +++++++ > tools/lib/bpf/libbpf.map | 2 ++ > 6 files changed, 91 insertions(+) > [...]
