From: Grygorii Strashko <grygorii.strashko@ti.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Tony Lindgren <tony@atomide.com>,
Saravana Kannan <saravanak@google.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Peter Ujfalusi <peter.ujfalusi@ti.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Linux-OMAP <linux-omap@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linux PM list <linux-pm@vger.kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>
Subject: Re: Slow booting on x15
Date: Thu, 1 Oct 2020 16:49:05 +0300 [thread overview]
Message-ID: <68f54d65-8b50-9124-ef6e-163342de549a@ti.com> (raw)
In-Reply-To: <CAMuHMdUmX+i+FcScCT-_g20cBECU8J57zc0RpprT2sp+BpTprQ@mail.gmail.com>
hi Geert,
On 01/10/2020 16:11, Geert Uytterhoeven wrote:
> Hi Grygorii et al,
>
> On Thu, Oct 1, 2020 at 2:56 PM Grygorii Strashko
> <grygorii.strashko@ti.com> wrote:
>> On 01/10/2020 11:22, Laurent Pinchart wrote:
>>> On Thu, Oct 01, 2020 at 11:17:48AM +0300, Tony Lindgren wrote:
>>>>>> -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:
>
> 1. Is irq=POLL normal behavior for your board?
> 2. As this is a Micrel PHY, perhaps you are affected by the changes in
> the configuration defaults in commit bcf3440c6dd78bfe ("net: phy:
> micrel: add phy-mode support for the KSZ9031 PHY")?
>
> See also the performance drop figures in the description of quick fix
> 9b23203c32ee02cd ("ravb: Mask PHY mode to avoid inserting delays twice")
> (and better solution
> https://lore.kernel.org/linux-renesas-soc/20201001101008.14365-1-geert+renesas@glider.be)
It's not about Ethernet PHY and I've tried different board am571x-idk.
The boot delay introduced first very early during boot:
>> [ 1.729201] calling omap_l3_init+0x0/0x10 @ 1
>> [ 1.733791] initcall omap_l3_init+0x0/0x10 returned 0 after 0 usecs
>> [ 1.740314] calling gate_vma_init+0x0/0x70 @ 1
>> [ 1.744976] initcall gate_vma_init+0x0/0x70 returned 0 after 0 usecs
>> [ 1.751522] calling customize_machine+0x0/0x30 @ 1
>> [ 3.823114] initcall customize_machine+0x0/0x30 returned 0 after 2011718 usecs
>> [ 3.830566] calling init_atags_procfs+0x0/0xec @ 1
>> [ 3.835583] No ATAGs?
>
> And the long time above with customize_machine() ends up being
> pdata_quirks_init() calling of_platform_populate().
And was narrowed down to ^ of_platform_populate() - above customize_machine() costs 2sec.
related discussion https://lkml.org/lkml/2020/6/17/452
--
Best regards,
grygorii
next prev parent reply other threads:[~2020-10-01 13:49 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
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 [this message]
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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