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tools: bpftool: update documentation for --json and --pretty usage

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Update the documentation to provide help about JSON output generation,
and add an example in bpftool-prog manual page.

Also reintroduce an example that was left aside when the tool was moved
from GitHub to the kernel sources, in order to show how to mount the
bpffs file system (to pin programs) inside the bpftool-prog manual page.

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Quentin Monnet
2017-10-23 09:24:16 -07:00
committed by David S. Miller
parent 47ff7ac6d7
commit 0641c3c890
7 changed files with 88 additions and 6 deletions
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tools/bpf/bpftool/map.c
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@@ -850,6 +850,7 @@ static int do_help(int argc, char **argv)
" " HELP_SPEC_PROGRAM "\n"
" VALUE := { BYTES | MAP | PROG }\n"
" UPDATE_FLAGS := { any | exist | noexist }\n"
" " HELP_SPEC_OPTIONS "\n"
"",
bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],