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Date: Sat, 8 Oct 2022 13:22:35 +0800 From: wangyufen <wangyufen@...wei.com> To: Andrii Nakryiko <andrii.nakryiko@...il.com> CC: <quentin@...valent.com>, <ast@...nel.org>, <daniel@...earbox.net>, <andrii@...nel.org>, <martin.lau@...ux.dev>, <song@...nel.org>, <yhs@...com>, <john.fastabend@...il.com>, <kpsingh@...nel.org>, <sdf@...gle.com>, <haoluo@...gle.com>, <jolsa@...nel.org>, <davem@...emloft.net>, <kuba@...nel.org>, <hawk@...nel.org>, <nathan@...nel.org>, <ndesaulniers@...gle.com>, <trix@...hat.com>, <bpf@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>, <llvm@...ts.linux.dev> Subject: Re: [bpf-next v7 1/3] bpftool: Add auto_attach for bpf prog load|loadall 在 2022/10/1 4:55, Andrii Nakryiko 写道: > On Tue, Sep 27, 2022 at 4:00 AM Wang Yufen <wangyufen@...wei.com> 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@...wei.com> >> Signed-off-by: Wang Yufen <wangyufen@...wei.com> >> --- > 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). Thanks, will add a cover letter in v8. > > >> 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@huawei.com/ >> v1: https://patchwork.kernel.org/project/netdevbpf/patch/20220816151725.153343-1-weiyongjun1@huawei.com/ >> tools/bpf/bpftool/prog.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++-- >> 1 file changed, 79 insertions(+), 2 deletions(-) >> > [...] >
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