On Tue, Sep 27, 2022 at 4:00 AM Wang Yufen <wangyufen@xxxxxxxxxx> wrote: > > Add auto_attach optional to support one-step load-attach-pin_link. > > For example, > $ bpftool prog loadall test.o /sys/fs/bpf/test autoattach > > $ bpftool link > 26: tracing name test1 tag f0da7d0058c00236 gpl > loaded_at 2022-09-09T21:39:49+0800 uid 0 > xlated 88B jited 55B memlock 4096B map_ids 3 > btf_id 55 > 28: kprobe name test3 tag 002ef1bef0723833 gpl > loaded_at 2022-09-09T21:39:49+0800 uid 0 > xlated 88B jited 56B memlock 4096B map_ids 3 > btf_id 55 > 57: tracepoint name oncpu tag 7aa55dfbdcb78941 gpl > loaded_at 2022-09-09T21:41:32+0800 uid 0 > xlated 456B jited 265B memlock 4096B map_ids 17,13,14,15 > btf_id 82 > > $ bpftool link > 1: tracing prog 26 > prog_type tracing attach_type trace_fentry > 3: perf_event prog 28 > 10: perf_event prog 57 > > The autoattach optional can support tracepoints, k(ret)probes, > u(ret)probes. > > Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> > Signed-off-by: Wang Yufen <wangyufen@xxxxxxxxxx> > --- For next revision, please also attach cover letter describing the overall goal of the patch set (and that's where the version log between revisions is put as well). > v6 -> v7: add info msg print and update doc for the skip program > v5 -> v6: skip the programs not supporting auto-attach, > and change optional name from "auto_attach" to "autoattach" > v4 -> v5: some formatting nits of doc > v3 -> v4: rename functions, update doc, bash and do_help() > v2 -> v3: switch to extend prog load command instead of extend perf > v2: https://patchwork.kernel.org/project/netdevbpf/patch/20220824033837.458197-1-weiyongjun1@xxxxxxxxxx/ > v1: https://patchwork.kernel.org/project/netdevbpf/patch/20220816151725.153343-1-weiyongjun1@xxxxxxxxxx/ > tools/bpf/bpftool/prog.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 79 insertions(+), 2 deletions(-) > [...]
