From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Stephen Hemminger" <stephen@networkplumber.org>,
"Shani Peretz" <shperetz@nvidia.com>
Cc: <dev@dpdk.org>
Subject: RE: [RFC PATCH 0/5] Introduce mempool object new debug capabilities
Date: Thu, 19 Jun 2025 14:57:22 +0200 [thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35E9FD14@smartserver.smartshare.dk> (raw)
In-Reply-To: <20250616083009.4a2d69f2@hermes.local>
> From: Stephen Hemminger [mailto:stephen@networkplumber.org]
> Sent: Monday, 16 June 2025 17.30
>
> On Mon, 16 Jun 2025 10:29:05 +0300
> Shani Peretz <shperetz@nvidia.com> wrote:
>
> > This feature is designed to monitor the lifecycle of mempool objects
> > as they move between the application and the PMD.
> >
> > It will allow us to track the operations and transitions of each mempool
> > object throughout the system, helping in debugging and understanding objects
> flow.
> >
> > The implementation include several key components:
> > 1. Added a bitmap to mempool's header (rte_mempool_objhdr)
> > that represent the operations history.
> > 2. Added functions that allow marking operations on an
> > mempool objects.
> > 3. Dumps the history to a file or the console
> > (rte_mempool_objects_dump).
> > 4. Added python script that can parse, analyze the data and
> > present it in an human readable format.
> > 5. Added compilation flag to enable the feature.
> >
> > Shani Peretz (5):
> > mempool: record mempool objects operations history
> > drivers: add mempool history compilation flag
> > net/mlx5: mark an operation in mempool object's history
> > app/testpmd: add testpmd command to dump mempool history
> > usertool: add a script to parse mempool history dump
> >
>
> Could this not already be done with tracing infrastructure?
I agree with Stephen on this.
And, if you plan to use this for performance measurements, you can use the coming PMU trace to trace the objects' movements between CPU caches and RAM, so you can discriminate between hot and cold objects.
next prev parent reply other threads:[~2025-06-19 12:57 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-16 7:29 Shani Peretz
2025-06-16 7:29 ` [RFC PATCH 1/5] mempool: record mempool objects operations history Shani Peretz
2025-06-16 7:29 ` [RFC PATCH 2/5] drivers: add mempool history compilation flag Shani Peretz
2025-06-16 7:29 ` [RFC PATCH 3/5] net/mlx5: mark an operation in mempool object's history Shani Peretz
2025-06-16 7:29 ` [RFC PATCH 4/5] app/testpmd: add testpmd command to dump mempool history Shani Peretz
2025-06-16 7:29 ` [RFC PATCH 5/5] usertool: add a script to parse mempool history dump Shani Peretz
2025-06-16 15:30 ` [RFC PATCH 0/5] Introduce mempool object new debug capabilities Stephen Hemminger
2025-06-19 12:57 ` Morten Brørup [this message]
2025-07-07 5:46 ` Shani Peretz
2025-07-07 5:45 ` Shani Peretz
2025-07-07 12:10 ` Morten Brørup
2025-07-19 14:39 ` Morten Brørup
2025-08-25 11:27 ` Slava Ovsiienko
2025-09-01 15:34 ` Morten Brørup
2025-09-16 15:12 ` [PATCH v2 0/4] add mbuf " Shani Peretz
2025-09-16 15:12 ` [PATCH v2 1/4] mbuf: record mbuf operations history Shani Peretz
2025-09-16 21:17 ` Stephen Hemminger
2025-09-16 21:33 ` Thomas Monjalon
2025-09-17 1:22 ` Morten Brørup
2025-09-17 14:46 ` Morten Brørup
2025-09-19 9:14 ` Shani Peretz
2025-09-16 15:12 ` [PATCH v2 2/4] net/mlx5: mark an operation in mbuf's history Shani Peretz
2025-09-16 21:14 ` Stephen Hemminger
2025-09-16 21:31 ` Thomas Monjalon
2025-09-17 15:04 ` Stephen Hemminger
2025-09-16 15:12 ` [PATCH v2 3/4] app/testpmd: add testpmd command to dump mbuf history Shani Peretz
2025-09-16 15:12 ` [PATCH v2 4/4] usertool: add a script to parse mbuf history dump Shani Peretz
2025-09-30 23:25 ` [PATCH v3 0/5] add mbuf debug capabilities Thomas Monjalon
2025-09-30 23:25 ` [PATCH v3 1/5] mbuf: move header include for logs Thomas Monjalon
2025-09-30 23:25 ` [PATCH v3 2/5] mbuf: record mbuf operations history Thomas Monjalon
2025-10-01 0:12 ` Thomas Monjalon
2025-10-02 7:37 ` Morten Brørup
2025-10-02 21:23 ` Thomas Monjalon
2025-10-13 18:39 ` Thomas Monjalon
2025-10-13 20:08 ` Morten Brørup
2025-10-13 21:07 ` Thomas Monjalon
2025-10-14 10:04 ` Morten Brørup
2025-09-30 23:25 ` [PATCH v3 3/5] ethdev: mark mbufs in burst functions Thomas Monjalon
2025-10-02 7:44 ` Morten Brørup
2025-10-13 15:32 ` Thomas Monjalon
2025-09-30 23:25 ` [PATCH v3 4/5] app/testpmd: add commands to dump mbuf history Thomas Monjalon
2025-10-01 8:20 ` Stephen Hemminger
2025-10-13 15:31 ` Thomas Monjalon
2025-09-30 23:25 ` [PATCH v3 5/5] usertools/mbuf: parse mbuf history dump Thomas Monjalon
2025-10-02 8:07 ` Robin Jarry
2025-10-13 21:16 ` [PATCH v4 0/7] add mbuf debug capabilities Thomas Monjalon
2025-10-13 21:16 ` [PATCH v4 1/7] doc: explain debug options in mbuf guide Thomas Monjalon
2025-10-13 21:16 ` [PATCH v4 2/7] mbuf: move header include for logs Thomas Monjalon
2025-10-13 21:16 ` [PATCH v4 3/7] mbuf: record mbuf operations history Thomas Monjalon
2025-10-13 21:16 ` [PATCH v4 4/7] ethdev: mark mbufs in burst functions Thomas Monjalon
2025-10-13 21:16 ` [PATCH v4 5/7] app/testpmd: use space separator in dump commands Thomas Monjalon
2025-10-13 21:16 ` [PATCH v4 6/7] app/testpmd: add commands to dump mbuf history Thomas Monjalon
2025-10-13 21:16 ` [PATCH v4 7/7] usertools/mbuf: parse mbuf history dump Thomas Monjalon
2025-10-14 6:58 ` [PATCH v5 0/7] add mbuf debug capabilities Thomas Monjalon
2025-10-14 6:58 ` [PATCH v5 1/7] doc: explain debug options in mbuf guide Thomas Monjalon
2025-10-14 6:58 ` [PATCH v5 2/7] mbuf: move header include for logs Thomas Monjalon
2025-10-14 8:47 ` Morten Brørup
2025-10-14 6:58 ` [PATCH v5 3/7] mbuf: record mbuf operations history Thomas Monjalon
2025-10-14 9:59 ` Morten Brørup
2025-10-14 12:03 ` Thomas Monjalon
2025-10-14 12:31 ` Thomas Monjalon
2025-10-14 6:58 ` [PATCH v5 4/7] ethdev: mark mbufs in burst functions Thomas Monjalon
2025-10-14 6:58 ` [PATCH v5 5/7] app/testpmd: use space separator in dump commands Thomas Monjalon
2025-10-14 6:58 ` [PATCH v5 6/7] app/testpmd: add commands to dump mbuf history Thomas Monjalon
2025-10-14 8:45 ` Morten Brørup
2025-10-14 9:43 ` Thomas Monjalon
2025-10-14 9:48 ` Bruce Richardson
2025-10-14 9:55 ` Thomas Monjalon
2025-10-14 6:58 ` [PATCH v5 7/7] usertools/mbuf: parse mbuf history dump Thomas Monjalon
2025-10-14 12:33 ` [PATCH v6 0/7] add mbuf debug capabilities Thomas Monjalon
2025-10-14 12:33 ` [PATCH v6 1/7] doc: explain debug options in mbuf guide Thomas Monjalon
2025-10-14 12:33 ` [PATCH v6 2/7] mbuf: move header include for logs Thomas Monjalon
2025-10-14 12:33 ` [PATCH v6 3/7] mbuf: record mbuf operations history Thomas Monjalon
2025-10-16 9:04 ` Morten Brørup
2025-10-16 9:53 ` Thomas Monjalon
2025-10-14 12:33 ` [PATCH v6 4/7] ethdev: mark mbufs in burst functions Thomas Monjalon
2025-10-16 9:26 ` Morten Brørup
2025-10-14 12:33 ` [PATCH v6 5/7] app/testpmd: use space separator in dump commands Thomas Monjalon
2025-10-15 17:52 ` Stephen Hemminger
2025-10-15 19:10 ` Thomas Monjalon
2025-10-16 9:28 ` Morten Brørup
2025-10-14 12:33 ` [PATCH v6 6/7] app/testpmd: add commands to dump mbuf history Thomas Monjalon
2025-10-14 12:33 ` [PATCH v6 7/7] usertools/mbuf: parse mbuf history dump Thomas Monjalon
2025-10-14 14:03 ` Robin Jarry
2025-10-15 17:50 ` Stephen Hemminger
2025-10-15 19:11 ` Thomas Monjalon
2025-10-15 19:41 ` Robin Jarry
2025-10-16 8:10 ` Bruce Richardson
2025-10-16 8:42 ` Thomas Monjalon
2025-10-16 12:07 ` Robin Jarry
2025-10-16 9:46 ` Morten Brørup
2025-10-16 20:34 ` [PATCH v7 0/7] add mbuf debug capabilities Thomas Monjalon
2025-10-16 20:34 ` [PATCH v7 1/7] doc: explain debug options in mbuf guide Thomas Monjalon
2025-10-16 22:30 ` Morten Brørup
2025-10-16 20:34 ` [PATCH v7 2/7] mbuf: move header include for logs Thomas Monjalon
2025-10-16 20:34 ` [PATCH v7 3/7] mbuf: record mbuf operations history Thomas Monjalon
2025-10-16 22:29 ` Morten Brørup
2025-10-17 7:32 ` Thomas Monjalon
2025-10-17 7:55 ` Morten Brørup
2025-10-17 9:09 ` Thomas Monjalon
2025-10-16 20:34 ` [PATCH v7 4/7] ethdev: mark mbufs in burst functions Thomas Monjalon
2025-10-16 20:34 ` [PATCH v7 5/7] app/testpmd: use space separator in dump commands Thomas Monjalon
2025-10-16 20:34 ` [PATCH v7 6/7] app/testpmd: add commands to dump mbuf history Thomas Monjalon
2025-10-16 20:34 ` [PATCH v7 7/7] usertools/mbuf: parse mbuf history dump Thomas Monjalon
2025-10-17 16:10 ` [PATCH v7 0/7] add mbuf debug capabilities Thomas Monjalon
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