[Toybox] [PATCH] Android roadmap update.

[enh]

On Fri, May 6, 2016 at 5:04 PM, Rob Landley <rob at landley.net> wrote:
> On 05/06/2016 11:25 AM, enh wrote:
>> On Thu, May 5, 2016 at 8:04 PM, Rob Landley <rob at landley.net> wrote:
>>> On 05/05/2016 11:25 AM, enh wrote:
>>>> I removed iftop a while back but didn't remove it everywhere in the
>>>> documentation. I switched over to toybox ps yesterday.
>>>
>>> Yay!
>>>
>>>> ---
>>>>  www/roadmap.html | 10 +++++-----
>>>>  1 file changed, 5 insertions(+), 5 deletions(-)
>>>
>>> If iftop is an iotop for network I/O, I've been meaning to do one of
>>> those for a while now, but haven't looked up how yet.
>>
>> you can see ours (in the CL that removed it) here:
>>
>> https://android-review.googlesource.com/#/c/216389/1/toolbox/iftop.c
>>
>> it was nothing like the desktop one, which is all ASCII-art bar charts.
>
> Hmmm... This is basically taking snapshots of "ifconfig" output and
> doing math on the RX BYTES and TX BYTES fields.
>
> Unfortunately parsing /proc/net/dev doesn't associate I/O with
> processes, so gluing it into the existing toys/*/ps.c hairball wouldn't
> make sense (since that's all about tracking per-process attributes).
> That would be header info for the first couple lines of the screen, but
> I still need the per-process data. (There's apparently stuff like
> nethogs that finds it, I just haven't looked up how yet.)

Android has its own socket-tagging infrastructure for attributing
network i/o to apps, so anything i know probably isn't very relevant
elsewhere.

> Rob



-- 
Elliott Hughes - http://who/enh - http://jessies.org/~enh/
Android native code/tools questions? Mail me/drop by/add me as a reviewer.