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From: Jakub Kicinski <kuba@kernel.org>
To: Jaroslav Pulchart <jaroslav.pulchart@gooddata.com>
Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	jdamato@fastly.com, intel-wired-lan@lists.osuosl.org,
	netdev@vger.kernel.org, Tony Nguyen <anthony.l.nguyen@intel.com>,
	Igor Raits <igor@gooddata.com>,
	Daniel Secik <daniel.secik@gooddata.com>,
	Zdenek Pesek <zdenek.pesek@gooddata.com>,
	Eric Dumazet <edumazet@google.com>,
	Martin Karsten <mkarsten@uwaterloo.ca>,
	Ahmed Zaki <ahmed.zaki@intel.com>,
	"Czapnik, Lukasz" <lukasz.czapnik@intel.com>,
	Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Subject: Re: Increased memory usage on NUMA nodes with ICE driver after upgrade to 6.13.y (regression in commit 492a044508ad)
Date: Wed, 16 Apr 2025 15:44:36 -0700	[thread overview]
Message-ID: <20250416154436.179ba4e9@kernel.org> (raw)
In-Reply-To: <CAK8fFZ4bKHa8L6iF7dZNBRxujdmsoFN05p73Ab6mkPf6FGhmMQ@mail.gmail.com>

On Wed, 16 Apr 2025 18:03:52 +0200 Jaroslav Pulchart wrote:
> > FWIW you can also try the tools/net/ynl/samples/page-pool
> > application, not sure if Intel NICs init page pools appropriately
> > but this will show you exactly how much memory is sitting on Rx rings
> > of the driver (and in net socket buffers).  
> 
> I'm not familiar with the page-pool tool, I try to build it, run it
> and nothing is shown. Any hint/menual how to use it?

It's pretty dumb, you run it and it tells you how much memory is
allocated by Rx page pools. Commit message has an example:
https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=637567e4a3ef6f6a5ffa48781207d270265f7e68

  reply	other threads:[~2025-04-16 22:44 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-14 16:29 Increased memory usage on NUMA nodes with ICE driver after upgrade to 6.13.y (regression in commit 492a044508ad) Jaroslav Pulchart
2025-04-14 17:15 ` [Intel-wired-lan] " Paul Menzel
2025-04-15 14:38 ` Przemek Kitszel
2025-04-16  0:53   ` Jakub Kicinski
2025-04-16  7:13     ` Jaroslav Pulchart
2025-04-16 13:48       ` Jakub Kicinski
2025-04-16 16:03         ` Jaroslav Pulchart
2025-04-16 22:44           ` Jakub Kicinski [this message]
2025-04-16 22:57             ` [Intel-wired-lan] " Keller, Jacob E
2025-04-16 22:57           ` Keller, Jacob E
2025-04-17  0:13             ` Jakub Kicinski
2025-04-17 17:52               ` Keller, Jacob E
2025-05-21 10:50                 ` Jaroslav Pulchart
2025-06-04  8:42                   ` Jaroslav Pulchart
     [not found]                     ` <CAK8fFZ5XTO9dGADuMSV0hJws-6cZE9equa3X6dfTBgDyzE1pEQ@mail.gmail.com>
2025-06-25 14:03                       ` Przemek Kitszel
     [not found]                         ` <CAK8fFZ7LREBEdhXjBAKuaqktOz1VwsBTxcCpLBsa+dkMj4Pyyw@mail.gmail.com>
2025-06-25 20:25                           ` Jakub Kicinski
2025-06-26  7:42                             ` Jaroslav Pulchart
2025-06-30  7:35                               ` Jaroslav Pulchart
2025-06-30 16:02                                 ` Jacob Keller
2025-06-30 17:24                                   ` Jaroslav Pulchart
2025-06-30 18:59                                     ` Jacob Keller
2025-06-30 20:01                                       ` Jaroslav Pulchart
2025-06-30 20:42                                         ` Jacob Keller
2025-06-30 21:56                                         ` Jacob Keller
2025-06-30 23:16                                           ` Jacob Keller
2025-07-01  6:48                                             ` Jaroslav Pulchart
2025-07-01 20:48                                               ` Jacob Keller
2025-07-02  9:48                                                 ` Jaroslav Pulchart
2025-07-02 18:01                                                   ` Jacob Keller
2025-07-02 21:56                                                   ` Jacob Keller
2025-07-03  6:46                                                     ` Jaroslav Pulchart
2025-07-03 16:16                                                       ` Jacob Keller
2025-07-04 19:30                                                         ` Maciej Fijalkowski
2025-07-07 18:32                                                         ` Jacob Keller
2025-07-07 22:03                                                           ` Jacob Keller
2025-07-09  0:50                                                             ` Jacob Keller
2025-07-09 19:11                                                               ` Jacob Keller
2025-07-09 21:04                                                                 ` Jaroslav Pulchart
2025-07-09 21:15                                                                   ` Jacob Keller
2025-07-11 18:16                                                                     ` Jaroslav Pulchart
2025-07-11 22:30                                                                       ` Jacob Keller
2025-07-14  5:34                                                                         ` Jaroslav Pulchart
2025-06-25 14:53                       ` Paul Menzel
2025-07-04 16:55 ` Michal Kubiak
2025-07-05  7:01   ` Jaroslav Pulchart
2025-07-07 15:37     ` Jaroslav Pulchart

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