Roman Gushchin 9a1126b631
bpf: add bpffs pretty print for cgroup local storage maps ...
Implement bpffs pretty printing for cgroup local storage maps
(both shared and per-cpu).
Output example (captured for tools/testing/selftests/bpf/netcnt_prog.c):
Shared:
$ cat /sys/fs/bpf/map_2
# WARNING!! The output is for debug purpose only
# WARNING!! The output format will change
{4294968594,1}: {9999,1039896}
Per-cpu:
$ cat /sys/fs/bpf/map_1
# WARNING!! The output is for debug purpose only
# WARNING!! The output format will change
{4294968594,1}: {
cpu0: {0,0,0,0,0}
cpu1: {0,0,0,0,0}
cpu2: {1,104,0,0,0}
cpu3: {0,0,0,0,0}
}
Signed-off-by: Roman Gushchin <guro@fb.com >
Cc: Alexei Starovoitov <ast@kernel.org >
Cc: Daniel Borkmann <daniel@iogearbox.net >
Acked-by: Martin KaFai Lau <kafai@fb.com >
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net >
Signed-off-by: Alexei Starovoitov <ast@kernel.org >
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9a1126b631