DPDK patches and discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Remy Horton <remy.horton@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [RFC PATCH v2 2/3] lib: add bitrate statistics library
Date: Thu, 27 Oct 2016 18:12:20 -0700	[thread overview]
Message-ID: <20161027181220.752e90ea@xeon-e3> (raw)
In-Reply-To: <1477616671-9547-3-git-send-email-remy.horton@intel.com>

On Fri, 28 Oct 2016 09:04:30 +0800
Remy Horton <remy.horton@intel.com> wrote:

> +
> +struct rte_stats_bitrate_s {
> +	uint64_t last_ibytes;
> +	uint64_t last_obytes;
> +	uint64_t peak_ibits;
> +	uint64_t peak_obits;
> +	uint64_t ewma_ibits;
> +	uint64_t ewma_obits;
> +};
> +

Reader/write access of 64 bit values is not safe on 32 bit platforms.
I think you need to add a generation counter (see Linux kernel syncp)
to handle 32 bit architecture. If done correctly, it would be a nop
on 64 bit platforms.

  reply	other threads:[~2016-10-28  1:12 UTC|newest]

Thread overview: 115+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-24 14:58 [dpdk-dev] [RFC PATCH v1] rte: add bit-rate metrics to xstats Remy Horton
2016-08-26 13:28 ` Pattan, Reshma
2016-08-29 10:01 ` Pattan, Reshma
2016-08-29 11:19   ` Remy Horton
2016-10-28  1:04 ` [dpdk-dev] [PATCH v2 0/3] expanded statistic reporting Remy Horton
2016-10-28  1:04   ` [dpdk-dev] [RFC PATCH v2 1/3] lib: add information metrics library Remy Horton
2016-10-28  1:04   ` [dpdk-dev] [RFC PATCH v2 2/3] lib: add bitrate statistics library Remy Horton
2016-10-28  1:12     ` Stephen Hemminger [this message]
2016-10-28  7:48       ` Remy Horton
2016-10-28  7:39     ` Morten Brørup
2016-11-01  1:53       ` Remy Horton
2016-10-28  1:04   ` [dpdk-dev] [RFC PATCH v2 3/3] app/test-pmd: add support for bitrate statistics Remy Horton
2016-11-04  3:36   ` [dpdk-dev] [PATCH v3 0/3] Expanded statistics reporting Remy Horton
2016-11-04  3:36     ` [dpdk-dev] [PATCH v3 1/3] lib: add information metrics library Remy Horton
2016-11-04 16:42       ` Pattan, Reshma
2016-11-07 15:25         ` Pattan, Reshma
2016-11-08  3:19           ` Remy Horton
2016-11-04  3:36     ` [dpdk-dev] [PATCH v3 2/3] lib: add bitrate statistics library Remy Horton
2016-11-04  3:36     ` [dpdk-dev] [PATCH v3 3/3] app/test-pmd: add support for bitrate statistics Remy Horton
2016-11-15  7:15     ` [dpdk-dev] [PATCH v4 0/3] Expanded statistics reporting Remy Horton
2016-11-15  7:15       ` [dpdk-dev] [PATCH v4 1/3] lib: add information metrics library Remy Horton
2016-11-15  7:15       ` [dpdk-dev] [PATCH v4 2/3] lib: add bitrate statistics library Remy Horton
2016-11-15 15:17         ` Pattan, Reshma
2016-11-15  7:15       ` [dpdk-dev] [PATCH v4 3/3] app/test-pmd: add support for bitrate statistics Remy Horton
2016-11-18  8:00       ` [dpdk-dev] [PATCH v5 0/4] Expanded statistics reporting Remy Horton
2016-11-18  8:00         ` [dpdk-dev] [PATCH v5 1/4] lib: add information metrics library Remy Horton
2016-11-18  8:00         ` [dpdk-dev] [PATCH v5 2/4] lib: add bitrate statistics library Remy Horton
2016-11-18  8:00         ` [dpdk-dev] [PATCH v5 3/4] app/test-pmd: add support for bitrate statistics Remy Horton
2016-11-18  8:00         ` [dpdk-dev] [PATCH v5 4/4] latencystats: added new library for latency stats Remy Horton
2017-01-11 16:03         ` [dpdk-dev] [PATCH v6 0/4] Expanded statistics reporting Remy Horton
2017-01-11 16:03           ` [dpdk-dev] [PATCH v6 1/4] lib: add information metrics library Remy Horton
2017-01-12 13:22             ` Thomas Monjalon
2017-01-12 15:30               ` Remy Horton
2017-01-12 19:05                 ` Thomas Monjalon
2017-01-16 10:27                   ` Remy Horton
2017-01-11 16:03           ` [dpdk-dev] [PATCH v6 2/4] lib: add bitrate statistics library Remy Horton
2017-01-11 16:15             ` Stephen Hemminger
2017-01-16 13:18               ` Remy Horton
2017-01-11 16:03           ` [dpdk-dev] [PATCH v6 3/4] app/test-pmd: add support for bitrate statistics Remy Horton
2017-01-12 13:32             ` Thomas Monjalon
2017-01-11 16:03           ` [dpdk-dev] [PATCH v6 4/4] latencystats: added new library for latency stats Remy Horton
2017-01-12 13:41             ` Thomas Monjalon
2017-01-12 14:44               ` Remy Horton
2017-01-13  9:45               ` Mcnamara, John
2017-01-13  9:53                 ` Thomas Monjalon
2017-01-16 16:18                   ` Mcnamara, John
2017-01-11 16:58           ` [dpdk-dev] [PATCH v6 0/4] Expanded statistics reporting Thomas Monjalon
2017-01-16 16:19           ` [dpdk-dev] [PATCH v7 0/6] " Remy Horton
2017-01-16 16:19             ` [dpdk-dev] [PATCH v7 1/6] lib: add information metrics library Remy Horton
2017-01-17 11:01               ` Van Haaren, Harry
2017-01-17 13:40                 ` Remy Horton
2017-01-17 14:23                   ` Van Haaren, Harry
2017-01-16 16:19             ` [dpdk-dev] [PATCH v7 2/6] app/proc_info: add metrics displaying Remy Horton
2017-01-17 11:08               ` Van Haaren, Harry
2017-01-17 14:27                 ` Remy Horton
2017-01-16 16:19             ` [dpdk-dev] [PATCH v7 3/6] lib: add bitrate statistics library Remy Horton
2017-01-17 11:16               ` Van Haaren, Harry
2017-01-17 15:37                 ` Remy Horton
2017-01-16 16:19             ` [dpdk-dev] [PATCH v7 4/6] app/test-pmd: add bitrate statistics calculation Remy Horton
2017-01-17 11:19               ` Van Haaren, Harry
2017-01-16 16:19             ` [dpdk-dev] [PATCH v7 5/6] lib: added new library for latency stats Remy Horton
2017-01-17  4:29               ` Jerin Jacob
2017-01-17  6:48                 ` Remy Horton
2017-01-17  7:35                   ` Jerin Jacob
2017-01-17 11:19                 ` Mcnamara, John
2017-01-17 12:34                   ` Jerin Jacob
2017-01-17 14:53                     ` Mcnamara, John
2017-01-17 16:25                       ` Jerin Jacob
2017-01-18 20:11                         ` Olivier Matz
2017-01-24 15:24                           ` Olivier MATZ
2017-01-17 11:41               ` Van Haaren, Harry
2017-01-16 16:19             ` [dpdk-dev] [PATCH v7 6/6] app/test-pmd: add latency statistics calculation Remy Horton
2017-01-17 11:45               ` Van Haaren, Harry
2017-01-17 23:24             ` [dpdk-dev] [PATCH v8 0/7] Expanded statistics reporting Remy Horton
2017-01-17 23:24               ` [dpdk-dev] [PATCH v8 1/7] lib: add information metrics library Remy Horton
2017-01-17 23:24               ` [dpdk-dev] [PATCH v8 2/7] app/proc_info: add metrics displaying Remy Horton
2017-01-17 23:24               ` [dpdk-dev] [PATCH v8 3/7] lib: add bitrate statistics library Remy Horton
2017-01-17 23:24               ` [dpdk-dev] [PATCH v8 4/7] app/test-pmd: add bitrate statistics calculation Remy Horton
2017-01-17 23:24               ` [dpdk-dev] [PATCH v8 5/7] mbuf: add a timestamp to the mbuf for latencystats Remy Horton
2017-01-17 23:24               ` [dpdk-dev] [PATCH v8 6/7] lib: added new library for latency stats Remy Horton
2017-01-17 23:24               ` [dpdk-dev] [PATCH v8 7/7] app/test-pmd: add latency statistics calculation Remy Horton
2017-01-18 15:05               ` [dpdk-dev] [PATCH v9 0/7] Expanded statistics reporting Remy Horton
2017-01-18 15:05                 ` [dpdk-dev] [PATCH v9 1/7] lib: add information metrics library Remy Horton
2017-01-30 15:50                   ` Thomas Monjalon
2017-01-30 21:44                     ` Remy Horton
2017-01-31 13:13                     ` Mcnamara, John
2017-01-31 13:28                       ` Bruce Richardson
2017-02-02 17:22                         ` Thomas Monjalon
2017-01-18 15:05                 ` [dpdk-dev] [PATCH v9 2/7] app/proc_info: add metrics displaying Remy Horton
2017-01-18 15:05                 ` [dpdk-dev] [PATCH v9 3/7] lib: add bitrate statistics library Remy Horton
2017-01-18 15:05                 ` [dpdk-dev] [PATCH v9 4/7] app/test-pmd: add bitrate statistics calculation Remy Horton
2017-01-18 15:05                 ` [dpdk-dev] [PATCH v9 5/7] mbuf: add a timestamp to the mbuf for latencystats Remy Horton
2017-01-18 15:05                 ` [dpdk-dev] [PATCH v9 6/7] lib: added new library for latency stats Remy Horton
2017-01-18 15:05                 ` [dpdk-dev] [PATCH v9 7/7] app/test-pmd: add latency statistics calculation Remy Horton
2017-02-03 10:33                 ` [dpdk-dev] [PATCH v10 0/7] Expanded statistics reporting Remy Horton
2017-02-03 10:33                   ` [dpdk-dev] [PATCH v10 1/7] lib: add information metrics library Remy Horton
2017-02-03 10:33                   ` [dpdk-dev] [PATCH v10 2/7] app/proc_info: add metrics displaying Remy Horton
2017-02-03 10:33                   ` [dpdk-dev] [PATCH v10 3/7] lib: add bitrate statistics library Remy Horton
2017-02-03 10:33                   ` [dpdk-dev] [PATCH v10 4/7] app/test-pmd: add bitrate statistics calculation Remy Horton
2017-02-03 10:33                   ` [dpdk-dev] [PATCH v10 5/7] mbuf: add a timestamp to the mbuf for latencystats Remy Horton
2017-02-03 10:33                   ` [dpdk-dev] [PATCH v10 6/7] lib: added new library for latency stats Remy Horton
2017-02-03 10:33                   ` [dpdk-dev] [PATCH v10 7/7] app/test-pmd: add latency statistics calculation Remy Horton
2017-02-16 10:53                   ` [dpdk-dev] [PATCH v10 0/7] Expanded statistics reporting Thomas Monjalon
2017-02-23  7:09                     ` Remy Horton
2017-02-23  8:45                       ` Thomas Monjalon
2017-03-09 16:25                   ` [dpdk-dev] [PATCH v11 " Remy Horton
2017-03-09 16:25                     ` [dpdk-dev] [PATCH v11 1/7] lib: add information metrics library Remy Horton
2017-03-09 16:25                     ` [dpdk-dev] [PATCH v11 2/7] app/proc_info: add metrics displaying Remy Horton
2017-03-09 16:25                     ` [dpdk-dev] [PATCH v11 3/7] lib: add bitrate statistics library Remy Horton
2017-03-09 16:25                     ` [dpdk-dev] [PATCH v11 4/7] app/test-pmd: add bitrate statistics calculation Remy Horton
2017-03-09 16:25                     ` [dpdk-dev] [PATCH v11 5/7] mbuf: add a timestamp to the mbuf for latencystats Remy Horton
2017-03-09 19:02                       ` Stephen Hemminger
2017-03-10  9:48                         ` Van Haaren, Harry
2017-03-09 16:25                     ` [dpdk-dev] [PATCH v11 6/7] lib: added new library for latency stats Remy Horton
2017-03-09 16:25                     ` [dpdk-dev] [PATCH v11 7/7] app/test-pmd: add latency statistics calculation Remy Horton

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=20161027181220.752e90ea@xeon-e3 \
    --to=stephen@networkplumber.org \
    --cc=dev@dpdk.org \
    --cc=remy.horton@intel.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).