netdev - Re: [PATCH bpf-nex] tools: bpftool: change time format for program 'loaded at:' information

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Message-ID: <20180501212548.ysibavrt22l67ych@ast-mbp>
Date:   Tue, 1 May 2018 14:25:50 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Quentin Monnet <quentin.monnet@...ronome.com>
Cc:     ast@...nel.org, borkmann@...earbox.net, netdev@...r.kernel.org,
        oss-drivers@...ronome.com
Subject: Re: [PATCH bpf-nex] tools: bpftool: change time format for program
 'loaded at:' information

On Tue, May 01, 2018 at 09:18:38PM +0100, Quentin Monnet wrote:
> To make eBPF program load time easier to parse from "bpftool prog"
> output for machines, change the time format used by the program. The
> format now differs for plain and JSON version:
> 
> - Plain version uses a string formatted according to ISO 8601.
> - JSON uses the number of seconds since the Epoch, wich is less friendly
>   for humans but even easier to process.
> 
> Example output:
> 
>     # ./bpftool prog
>     41298: xdp  tag a04f5eef06a7f555 dev foo
>             loaded_at 2018-04-18T17:19:47+0100  uid 0
>             xlated 16B  not jited  memlock 4096B
> 
>     # ./bpftool prog -p
>     [{
>             "id": 41298,
>             "type": "xdp",
>             "tag": "a04f5eef06a7f555",
>             "gpl_compatible": false,
>             "dev": {
>                 "ifindex": 14,
>                 "ns_dev": 3,
>                 "ns_inode": 4026531993,
>                 "ifname": "foo"
>             },
>             "loaded_at": 1524068387,
>             "uid": 0,
>             "bytes_xlated": 16,
>             "jited": false,
>             "bytes_memlock": 4096
>         }
>     ]
> 
> Previously, "Apr 18/17:19" would be used at both places.
> 
> Suggested-by: Alexei Starovoitov <ast@...nel.org>
> Signed-off-by: Quentin Monnet <quentin.monnet@...ronome.com>
> Acked-by: Jakub Kicinski <jakub.kicinski@...ronome.com>

Applied, Thanks!