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ad3338d250
Currently, prog array map and map of maps are not supported in bpftool. This patch added the support. Different from other map types, for prog array map and map of maps, the key returned bpf_get_next_key() may not point to a valid value. So for these two map types, no error will be printed out when such a scenario happens. The following is the plain and json dump if btf is not available: $ ./bpftool map dump id 10 key: 08 00 00 00 value: 5c 01 00 00 Found 1 element $ ./bpftool -jp map dump id 10 [{ "key": ["0x08","0x00","0x00","0x00" ], "value": ["0x5c","0x01","0x00","0x00" ] }] If the BTF is available, the dump looks below: $ ./bpftool map dump id 2 [{ "key": 0, "value": 7 } ] $ ./bpftool -jp map dump id 2 [{ "key": ["0x00","0x00","0x00","0x00" ], "value": ["0x07","0x00","0x00","0x00" ], "formatted": { "key": 0, "value": 7 } }] Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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.. | ||
bash-completion | ||
Documentation | ||
.gitignore | ||
btf_dumper.c | ||
cfg.c | ||
cfg.h | ||
cgroup.c | ||
common.c | ||
jit_disasm.c | ||
json_writer.c | ||
json_writer.h | ||
main.c | ||
main.h | ||
Makefile | ||
map_perf_ring.c | ||
map.c | ||
net.c | ||
netlink_dumper.c | ||
netlink_dumper.h | ||
perf.c | ||
prog.c | ||
xlated_dumper.c | ||
xlated_dumper.h |