From: Stephen Hemminger <stephen@networkplumber.org>
To: Ferruh Yigit <ferruh.yigit@amd.com>
Cc: "Morten Brørup" <mb@smartsharesystems.com>,
"Mattias Rönnblom" <hofors@lysator.liu.se>,
"John W. Linville" <linville@tuxdriver.com>,
"Thomas Monjalon" <thomas@monjalon.net>,
dev@dpdk.org, "Mattias Rönnblom" <mattias.ronnblom@ericsson.com>
Subject: Re: [RFC v2] net/af_packet: make stats reset reliable
Date: Tue, 7 May 2024 11:47:04 -0700 [thread overview]
Message-ID: <20240507114704.686d2ac2@hermes.local> (raw)
In-Reply-To: <18c1a9ae-4713-4a2e-9759-c6b240cbe926@amd.com>
On Tue, 7 May 2024 17:54:18 +0100
Ferruh Yigit <ferruh.yigit@amd.com> wrote:
> On 5/7/2024 5:00 PM, Morten Brørup wrote:
> >> From: Stephen Hemminger [mailto:stephen@networkplumber.org]
> >> Sent: Tuesday, 7 May 2024 16.51
> >
> >> I would prefer that the SW statistics be handled generically by ethdev
> >> layers and used by all such drivers.
> >
> > I agree.
> >
> > Please note that maintaining counters in the ethdev layer might cause more cache misses than maintaining them in the hot parts of the individual drivers' data structures, so it's not all that simple. ;-)
> >
> > Until then, let's find a short term solution, viable to implement across all software NIC drivers without API/ABI breakage.
> >
>
> I am against ehtdev layer being aware of SW drivers and behave
> differently for them.
> This is dev_ops and can be managed per driver. We can add helper
> functions for drivers if there is a common pattern.
It is more about having a set of helper routines for SW only drivers.
I have something in progress for this.
next prev parent reply other threads:[~2024-05-07 18:47 UTC|newest]
Thread overview: 178+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-25 17:46 [RFC] " Ferruh Yigit
2024-04-26 11:33 ` Morten Brørup
2024-04-26 13:37 ` Ferruh Yigit
2024-04-26 14:56 ` Morten Brørup
2024-04-28 15:42 ` Mattias Rönnblom
2024-04-26 14:38 ` [RFC v2] " Ferruh Yigit
2024-04-26 14:47 ` Morten Brørup
2024-04-28 15:11 ` Mattias Rönnblom
2024-05-01 16:19 ` Ferruh Yigit
2024-05-02 5:51 ` Mattias Rönnblom
2024-05-02 14:22 ` Ferruh Yigit
2024-05-02 15:59 ` Stephen Hemminger
2024-05-02 18:20 ` Ferruh Yigit
2024-05-02 17:37 ` Mattias Rönnblom
2024-05-02 18:26 ` Stephen Hemminger
2024-05-02 21:26 ` Mattias Rönnblom
2024-05-02 21:46 ` Stephen Hemminger
2024-05-07 7:23 ` Mattias Rönnblom
2024-05-07 13:49 ` Ferruh Yigit
2024-05-07 14:51 ` Stephen Hemminger
2024-05-07 16:00 ` Morten Brørup
2024-05-07 16:54 ` Ferruh Yigit
2024-05-07 18:47 ` Stephen Hemminger [this message]
2024-05-08 7:48 ` Mattias Rönnblom
2024-05-08 6:28 ` Mattias Rönnblom
2024-05-08 6:25 ` Mattias Rönnblom
2024-05-07 19:19 ` Morten Brørup
2024-05-08 6:34 ` Mattias Rönnblom
2024-05-08 7:10 ` Morten Brørup
2024-05-08 7:23 ` Mattias Rönnblom
2024-04-26 21:28 ` [RFC] " Patrick Robb
2024-05-03 15:45 ` [RFC v3] " Ferruh Yigit
2024-05-03 22:00 ` Stephen Hemminger
2024-05-07 13:48 ` Ferruh Yigit
2024-05-07 14:52 ` Stephen Hemminger
2024-05-07 17:27 ` Ferruh Yigit
2024-05-08 7:19 ` Mattias Rönnblom
2024-05-08 15:23 ` Stephen Hemminger
2024-05-08 19:48 ` Ferruh Yigit
2024-05-08 20:54 ` Stephen Hemminger
2024-05-09 7:43 ` Morten Brørup
2024-05-09 9:29 ` Bruce Richardson
2024-05-09 11:37 ` Morten Brørup
2024-05-09 14:19 ` Morten Brørup
2024-05-10 4:56 ` Stephen Hemminger
2024-05-10 9:14 ` Morten Brørup
2024-05-26 7:10 ` Mattias Rönnblom
2024-05-26 7:07 ` Mattias Rönnblom
2024-05-26 7:03 ` Mattias Rönnblom
2024-05-26 7:21 ` Mattias Rönnblom
2024-05-07 15:27 ` Morten Brørup
2024-05-07 17:40 ` Ferruh Yigit
2024-05-10 5:01 ` [RFC 0/3] generic sw counters Stephen Hemminger
2024-05-10 5:01 ` [RFC 1/3] ethdev: add internal helper of SW driver statistics Stephen Hemminger
2024-05-10 5:01 ` [RFC 2/3] net/af_packet: use SW stats helper Stephen Hemminger
2024-05-10 5:01 ` [RFC 3/3] net/tap: use generic SW stats Stephen Hemminger
2024-05-10 17:29 ` [RFC 0/3] generic sw counters Morten Brørup
2024-05-10 19:30 ` Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 0/7] generic SW counters Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 1/7] eal: generic 64 bit counter Stephen Hemminger
2024-05-13 19:36 ` Morten Brørup
2024-05-13 18:52 ` [RFC v2 2/7] ethdev: add internal helper of SW driver statistics Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 3/7] net/af_packet: use SW stats helper Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 4/7] net/tap: use generic SW stats Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 5/7] net/pcap: " Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 6/7] net/af_xdp: " Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 7/7] net/ring: " Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 0/7] Generic SW counters Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 1/7] eal: generic 64 bit counter Stephen Hemminger
2024-05-15 9:30 ` Morten Brørup
2024-05-15 15:03 ` Stephen Hemminger
2024-05-15 16:18 ` Morten Brørup
2024-05-26 7:34 ` Mattias Rönnblom
2024-05-26 6:45 ` Mattias Rönnblom
2024-05-14 15:35 ` [PATCH v3 2/7] ethdev: add internal helper of SW driver statistics Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 3/7] net/af_packet: use SW stats helper Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 4/7] net/af_xdp: use generic SW stats Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 5/7] net/pcap: " Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 6/7] net/ring: " Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 7/7] net/tap: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 0/8] Generic 64 bit counters for SW PMD's Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 2/8] ethdev: add common counters for statistics Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 4/8] net/af_xdp: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 5/8] net/pcap: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 6/8] net/ring: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 7/8] net/tap: " Stephen Hemminger
2024-05-15 23:41 ` [PATCH v4 8/8] net/null: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 0/9] Generic 64 bit counters Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 1/9] eal: generic 64 bit counter Stephen Hemminger
2024-05-16 18:22 ` Wathsala Wathawana Vithanage
2024-05-16 21:42 ` Stephen Hemminger
2024-05-17 2:39 ` Honnappa Nagarahalli
2024-05-17 3:29 ` Stephen Hemminger
2024-05-17 4:39 ` Honnappa Nagarahalli
2024-05-16 15:40 ` [PATCH v5 2/9] ethdev: add common counters for statistics Stephen Hemminger
2024-05-16 18:30 ` Wathsala Wathawana Vithanage
2024-05-17 0:19 ` Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 3/9] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 4/9] net/af_xdp: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 5/9] net/pcap: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 6/9] test/pmd_ring: initialize mbufs Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 7/9] net/ring: use generic SW stats Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 8/9] net/tap: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 9/9] net/null: " Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 0/9] Generic 64 bit counters for SW drivers Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 1/9] eal: generic 64 bit counter Stephen Hemminger
2024-05-17 2:45 ` Honnappa Nagarahalli
2024-05-17 3:30 ` Stephen Hemminger
2024-05-17 4:26 ` Honnappa Nagarahalli
2024-05-17 6:44 ` Morten Brørup
2024-05-17 15:05 ` Stephen Hemminger
2024-05-17 16:18 ` Stephen Hemminger
2024-05-18 14:00 ` Morten Brørup
2024-05-19 15:13 ` Stephen Hemminger
2024-05-19 17:10 ` Morten Brørup
2024-05-19 22:49 ` Stephen Hemminger
2024-05-20 7:57 ` Morten Brørup
2024-05-17 15:07 ` Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 2/9] ethdev: add common counters for statistics Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 3/9] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 4/9] net/af_xdp: " Stephen Hemminger
2024-05-17 13:34 ` Loftus, Ciara
2024-05-17 14:54 ` Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 5/9] net/pcap: " Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 6/9] test/pmd_ring: initialize mbufs Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 7/9] net/ring: use generic SW stats Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 8/9] net/tap: " Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 9/9] net/null: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 0/9] Use weak atomic operations for SW PMD counters Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 1/9] eal: generic 64 bit counter Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 2/9] ethdev: add common counters for statistics Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 3/9] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 4/9] net/af_xdp: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 5/9] net/pcap: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 6/9] test/pmd_ring: initialize mbufs Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 7/9] net/ring: use generic SW stats Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 8/9] net/tap: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 9/9] net/null: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 0/8] Common statistics routines for SW based PMD's Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 2/8] ethdev: add common counters for statistics Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 4/8] net/af_xdp: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 5/8] net/pcap: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 6/8] net/ring: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 7/8] net/tap: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 8/8] net/null: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 0/8] Common statistics for SW PMD's Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-22 8:31 ` Morten Brørup
2024-05-22 15:33 ` Stephen Hemminger
2024-05-22 18:09 ` Morten Brørup
2024-05-22 19:53 ` Stephen Hemminger
2024-05-22 20:56 ` Morten Brørup
2024-05-22 15:37 ` Stephen Hemminger
2024-05-22 17:57 ` Morten Brørup
2024-05-22 19:01 ` Tyler Retzlaff
2024-05-22 19:51 ` Stephen Hemminger
2024-05-26 14:46 ` Mattias Rönnblom
2024-05-26 14:39 ` Mattias Rönnblom
2024-05-21 20:16 ` [PATCH v9 2/8] ethdev: add common counters for statistics Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 4/8] net/af_xdp: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 5/8] net/pcap: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 6/8] net/ring: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 7/8] net/tap: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 8/8] net/null: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 0/8] Common statistics for software PMD's Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 2/8] ethdev: add common counters for statistics Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 4/8] net/af_xdp: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 5/8] net/pcap: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 6/8] net/ring: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 7/8] net/tap: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 8/8] net/null: " Stephen Hemminger
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