Linux on ARM based TI OMAP SoCs
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From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: Tony Lindgren <tony@atomide.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
	Linux-OMAP <linux-omap@vger.kernel.org>
Subject: Re: Slow booting on x15
Date: Wed, 30 Sep 2020 15:41:16 +0300	[thread overview]
Message-ID: <d8d81891-7e22-81a2-19df-6e9a5f8679c4@ti.com> (raw)
In-Reply-To: <20200930052057.GP9471@atomide.com>



On 30/09/2020 8.20, Tony Lindgren wrote:
> * Laurent Pinchart <laurent.pinchart@ideasonboard.com> [200925 11:59]:
>> On Fri, Sep 25, 2020 at 02:51:47PM +0300, Tony Lindgren wrote:
>>> This is from beagle x15. I wonder how Tomi is seeing over six seconds
>>> at that point though while I'm seeing two something.
>>
>> And I see 10s on the same platform.
> 
> Hmm I wonder why that does not happen to me? I don't have any displays
> connected currently, maybe that makes a difference?
> 
> Can you guys try to bisect it down?
> 
>>>> Still, 1.5s spent there is quite a lot.
>>>
>>> Probably that's when module_init runs and we probe almost everything.
>>> Might be worth profiling to see if we can optimize out some full dtb
>>> tree searches for example.
>>
>> As far as I can tell, module_init() runs later than that. If we probed
>> everything there would be lots of messages printed during that period of
>> time.
> 
> Hmm OK. Sorry no ideas other than than me not having displays connected
> currently.

Fwiw on my beagle x15

v5.8
[    9.908787] Run /sbin/init as init process

v5.9-rc7
[   15.085373] Run /sbin/init as init process


It appears to be 'fixed' in next-20200928: the board does not even boot.

next-20200928 on omap5
[    9.936806] Run /sbin/init as init process


-rc7 spends most of it's time:
[    7.635530] Micrel KSZ9031 Gigabit PHY 48485000.mdio:01: attached PHY driver [Micrel KSZ9031 Gigabit PHY] (mii_bus:phy_addr=48485000.mdio:01, irq=POLL)
[   14.956671] cpsw 48484000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
[   15.005211] IP-Config: Complete:


- Péter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki


  reply	other threads:[~2020-09-30 12:41 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-18 15:25 Slow booting on x15 Tomi Valkeinen
2020-09-18 15:58 ` Laurent Pinchart
2020-09-23  7:07   ` Tony Lindgren
2020-09-23 11:13     ` Laurent Pinchart
2020-09-24  5:42       ` Tony Lindgren
2020-09-24  5:53         ` Tony Lindgren
2020-09-24  6:04           ` Tomi Valkeinen
2020-09-24  6:08             ` Tony Lindgren
2020-09-24 13:30               ` Laurent Pinchart
2020-09-25 11:51                 ` Tony Lindgren
2020-09-25 11:58                   ` Laurent Pinchart
2020-09-30  5:20                     ` Tony Lindgren
2020-09-30 12:41                       ` Peter Ujfalusi [this message]
2020-10-01  7:53                         ` Tony Lindgren
2020-10-01  8:17                           ` Tony Lindgren
2020-10-01  8:22                             ` Laurent Pinchart
2020-10-01 12:56                               ` Grygorii Strashko
2020-10-01 13:11                                 ` Geert Uytterhoeven
2020-10-01 13:49                                   ` Grygorii Strashko
2020-10-01 18:24                                 ` Saravana Kannan
2020-10-01 19:43                                   ` Grygorii Strashko
2020-10-01 22:22                                     ` Saravana Kannan
2020-10-01 22:30                                       ` Saravana Kannan
2020-10-01 22:38                                         ` Laurent Pinchart
2020-10-01 22:44                                           ` Saravana Kannan
2020-10-01 22:59                                             ` [PATCH v1] of: platform: Batch fwnode parsing in the init_machine() path Saravana Kannan
2020-10-01 23:19                                               ` Laurent Pinchart
2020-10-02 11:40                                                 ` Grygorii Strashko
2020-10-02 15:03                                                   ` Grygorii Strashko
2020-10-02 17:48                                                     ` Saravana Kannan
2020-10-02 18:11                                                       ` Grygorii Strashko
2020-10-02 14:07                                               ` Rob Herring
2020-10-02 17:51                                                 ` Saravana Kannan
2020-10-02 17:54                                                   ` Laurent Pinchart
2020-10-02 17:58                                                     ` Saravana Kannan
2020-10-02 18:27                                                       ` Laurent Pinchart
2020-10-02 18:35                                                         ` Grygorii Strashko
2020-10-02 19:56                                                           ` Saravana Kannan
2020-10-03  0:13                                                             ` Laurent Pinchart
2020-10-27  3:29                                                               ` Saravana Kannan
2020-10-28  7:34                                                                 ` Tomi Valkeinen
2020-10-02 20:29                                                   ` Rob Herring

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