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tools/bpftool: recognize bpf_prog_info run_time_ns and run_cnt

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$ bpftool p s
1: kprobe  tag a56587d488d216c9  gpl run_time_ns 79786 run_cnt 8
	loaded_at 2019-02-22T12:22:51-0800  uid 0
	xlated 352B  not jited  memlock 4096B

$ bpftool --json --pretty p s
[{
        "id": 1,
        "type": "kprobe",
        "tag": "a56587d488d216c9",
        "gpl_compatible": true,
        "run_time_ns": 79786,
        "run_cnt": 8,
        "loaded_at": 1550866971,
        "uid": 0,
        "bytes_xlated": 352,
        "jited": false,
        "bytes_memlock": 4096
    }
]

Signed-off-by: Alexei Starovoitov <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
This commit is contained in:
Alexei Starovoitov 2019-02-25 14:28:42 -08:00 • committed by Daniel Borkmann
commit 88ad472b8a
2 changed files with 10 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
tools/bpf/bpftool/Documentation/bpftool-prog.rst
View file

@ -171,7 +171,7 @@ EXAMPLES
::
10: xdp name some_prog tag 005a3d2123620c8b gpl
10: xdp name some_prog tag 005a3d2123620c8b gpl run_time_ns 81632 run_cnt 10
loaded_at 2017-09-29T20:11:00+0000 uid 0
xlated 528B jited 370B memlock 4096B map_ids 10
@ -184,6 +184,8 @@ EXAMPLES
"type": "xdp",
"tag": "005a3d2123620c8b",
"gpl_compatible": true,
"run_time_ns": 81632,
"run_cnt": 10,
"loaded_at": 1506715860,
"uid": 0,
"bytes_xlated": 528,

7
tools/bpf/bpftool/prog.c
View file

@ -214,6 +214,10 @@ static void print_prog_json(struct bpf_prog_info *info, int fd)
info->tag[4], info->tag[5], info->tag[6], info->tag[7]);
jsonw_bool_field(json_wtr, "gpl_compatible", info->gpl_compatible);
if (info->run_time_ns) {
jsonw_uint_field(json_wtr, "run_time_ns", info->run_time_ns);
jsonw_uint_field(json_wtr, "run_cnt", info->run_cnt);
}
print_dev_json(info->ifindex, info->netns_dev, info->netns_ino);
@ -277,6 +281,9 @@ static void print_prog_plain(struct bpf_prog_info *info, int fd)
fprint_hex(stdout, info->tag, BPF_TAG_SIZE, "");
print_dev_plain(info->ifindex, info->netns_dev, info->netns_ino);
printf("%s", info->gpl_compatible ? " gpl" : "");
if (info->run_time_ns)
printf(" run_time_ns %lld run_cnt %lld",
info->run_time_ns, info->run_cnt);
printf("\n");
if (info->load_time) {