From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org, tariqt@mellanox.com
Subject: Re: [PATCH] mlx4: give precise rx/tx bytes/packets counters
Date: Tue, 29 Nov 2016 13:37:15 -0500 (EST) [thread overview]
Message-ID: <20161129.133715.278556028530429933.davem@davemloft.net> (raw)
In-Reply-To: <1480088780.8455.543.camel@edumazet-glaptop3.roam.corp.google.com>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 25 Nov 2016 07:46:20 -0800
> From: Eric Dumazet <edumazet@google.com>
>
> mlx4 stats are chaotic because a deferred work queue is responsible
> to update them every 250 ms.
>
> Even sampling stats every one second with "sar -n DEV 1" gives
> variations like the following :
...
> This patch allows rx/tx bytes/packets counters being folded at the
> time we need stats.
>
> We now can fetch stats every 1 ms if we want to check NIC behavior
> on a small time window. It is also easier to detect anomalies.
...
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Cc: Tariq Toukan <tariqt@mellanox.com>
Applied to net-next, thanks Eric.
next prev parent reply other threads:[~2016-11-29 18:37 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-25 15:46 [PATCH] mlx4: give precise rx/tx bytes/packets counters Eric Dumazet
2016-11-25 16:03 ` David Laight
2016-11-25 16:16 ` Eric Dumazet
2016-11-25 16:30 ` Aw: " Lino Sanfilippo
2016-11-25 19:19 ` Eric Dumazet
2016-11-28 22:02 ` Lino Sanfilippo
2016-11-29 0:19 ` Eric Dumazet
2016-11-30 15:28 ` David Laight
2016-11-30 15:47 ` Eric Dumazet
2016-11-26 22:47 ` Saeed Mahameed
2016-11-27 2:16 ` Eric Dumazet
2016-11-28 20:40 ` David Miller
2016-11-28 21:55 ` Saeed Mahameed
2016-11-28 22:57 ` Eric Dumazet
2016-11-29 18:37 ` David Miller [this message]
2016-11-30 14:08 ` Regression: " Jesper Dangaard Brouer
2016-11-30 15:58 ` Eric Dumazet
2016-11-30 16:46 ` Saeed Mahameed
2016-11-30 17:35 ` Eric Dumazet
2016-11-30 20:42 ` Saeed Mahameed
2016-11-30 21:00 ` Eric Dumazet
2016-12-01 12:37 ` Jesper Dangaard Brouer
2016-12-01 13:02 ` [PATCH net-next] mlx4: fix use-after-free in mlx4_en_fold_software_stats() Eric Dumazet
2016-12-01 15:23 ` Saeed Mahameed
2016-12-02 18:36 ` David Miller
2016-12-01 15:38 ` Regression: [PATCH] mlx4: give precise rx/tx bytes/packets counters Saeed Mahameed
2016-12-01 15:55 ` Eric Dumazet
2016-12-01 16:08 ` Eric Dumazet
2016-12-01 17:36 ` Eric Dumazet
2016-12-04 13:23 ` Saeed Mahameed
2016-12-01 16:33 ` Saeed Mahameed
2016-12-01 17:08 ` Eric Dumazet
2016-12-04 13:21 ` Saeed Mahameed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161129.133715.278556028530429933.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=tariqt@mellanox.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).