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linux-stable/tools/bpf/bpftool
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Quentin Monnet 05a06be722 bpftool: Return an error on prog dumps if both CFG and JSON are required 
We do not support JSON output for control flow graphs of programs with
bpftool. So far, requiring both the CFG and JSON output would result in
producing a null JSON object. It makes more sense to raise an error
directly when parsing command line arguments and options, so that users
know they won't get any output they might expect.

If JSON is required for the graph, we leave it to Graphviz instead:

    # bpftool prog dump xlated <REF> visual | dot -Tjson

Suggested-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/r/20230405132120.59886-5-quentin@isovalent.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-05 21:27:27 -07:00
..
bash-completion bpftool: Return an error on prog dumps if both CFG and JSON are required 2023-04-05 21:27:27 -07:00
Documentation bpftool: Fix documentation about line info display for prog dumps 2023-04-05 21:27:27 -07:00
skeleton bpftool: Add bpf_cookie to link output 2022-03-15 15:07:27 -07:00
.gitignore bpftool: Fix SPDX tag for Makefiles and .gitignore 2021-11-10 09:00:52 -08:00
btf.c bpftool: Use bpf_{btf,link,map,prog}_get_info_by_fd() 2023-02-16 15:32:45 -08:00
btf_dumper.c bpftool: Support inline annotations when dumping the CFG of a program 2023-04-05 21:27:27 -07:00
cfg.c bpftool: Support inline annotations when dumping the CFG of a program 2023-04-05 21:27:27 -07:00
cfg.h bpftool: Support inline annotations when dumping the CFG of a program 2023-04-05 21:27:27 -07:00
cgroup.c bpftool: Use bpf_{btf,link,map,prog}_get_info_by_fd() 2023-02-16 15:32:45 -08:00
common.c bpftool: Use bpf_{btf,link,map,prog}_get_info_by_fd() 2023-02-16 15:32:45 -08:00
feature.c bpftool: fix output for skipping kernel config check 2023-01-10 17:42:31 -08:00
gen.c bpftool: clean-up usage of libbpf_get_error() 2022-11-20 16:17:46 -08:00
iter.c bpftool: clean-up usage of libbpf_get_error() 2022-11-20 16:17:46 -08:00
jit_disasm.c bpftool: Fix spelling mistake "disasembler" -> "disassembler" 2022-10-26 18:20:22 -07:00
json_writer.c tools: bpftool: json: Fix backslash escape typo in jsonw_puts 2023-03-29 09:48:45 -07:00
json_writer.h tools: bpftool: json: Fix backslash escape typo in jsonw_puts 2023-03-29 09:48:45 -07:00
link.c bpftool: Use bpf_{btf,link,map,prog}_get_info_by_fd() 2023-02-16 15:32:45 -08:00
main.c bpftool: clean-up usage of libbpf_get_error() 2022-11-20 16:17:46 -08:00
main.h bpftool: Support inline annotations when dumping the CFG of a program 2023-04-05 21:27:27 -07:00
Makefile bpftool: Always disable stack protection for BPF objects 2023-01-13 16:44:21 +01:00
map.c bpftool: Use bpf_{btf,link,map,prog}_get_info_by_fd() 2023-02-16 15:32:45 -08:00
map_perf_ring.c bpftool: Fix error message of strerror 2022-09-30 15:40:46 -07:00
net.c bpftool: Define _GNU_SOURCE only once 2022-10-25 10:11:56 -07:00
netlink_dumper.c bpftool: Use consistent include paths for libbpf 2020-01-20 16:37:45 -08:00
netlink_dumper.h tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
perf.c bpftool: Define _GNU_SOURCE only once 2022-10-25 10:11:56 -07:00
pids.c libbpf: Hashmap interface update to allow both long and void* keys/values 2022-11-09 20:45:14 -08:00
prog.c bpftool: Return an error on prog dumps if both CFG and JSON are required 2023-04-05 21:27:27 -07:00
struct_ops.c bpftool: Use bpf_{btf,link,map,prog}_get_info_by_fd() 2023-02-16 15:32:45 -08:00
tracelog.c bpftool, musl compat: Replace sys/fcntl.h by fcntl.h 2022-04-25 23:24:28 +02:00
xlated_dumper.c bpftool: Support inline annotations when dumping the CFG of a program 2023-04-05 21:27:27 -07:00
xlated_dumper.h tools: bpftool: replace Netronome boilerplate with SPDX license headers 2018-12-13 12:08:44 +01:00