linux-kernel - Re: [PATCH 4/4] PCI: quirk print dev name with duration

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Message-ID: <CAE9FiQUK8m5KKb0or59wH7BD6Eo5ddx9NaF7vszNeR0T3UYMRw@mail.gmail.com>
Date:	Wed, 15 Feb 2012 21:35:11 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH 4/4] PCI: quirk print dev name with duration

On Wed, Feb 15, 2012 at 9:25 PM, Joe Perches <joe@...ches.com> wrote:
> On Wed, 2012-02-15 at 21:14 -0800, Yinghai Lu wrote:
>> So could find out which device is involved with the calling
> []
>> +++ linux-2.6/drivers/pci/quirks.c
>> @@ -2854,14 +2854,15 @@ static void do_one_fixup_debug(void (*fn
>>       ktime_t calltime, delta, rettime;
>>       unsigned long long duration;
>>
>> -     printk(KERN_DEBUG "calling  %pF @ %i\n", fn, task_pid_nr(current));
>> +     printk(KERN_DEBUG "calling  %pF @ %i for %s\n",
>> +                     fn, task_pid_nr(current), dev_name(&dev->dev));
>
> Might be better to use dev_dbg
>
>        dev_dbg(&dev->dev, "calling %pF @ %i\n", fn, task_pid_nr(current));
>
> []
>
>> -     printk(KERN_DEBUG "pci fixup %pF returned after %lld usecs\n", fn,
>> -             duration);
>> +     printk(KERN_DEBUG "pci fixup %pF returned after %lld usecs for %s\n",
>> +                     fn, duration, dev_name(&dev->dev));
>
>        dev_dbg(&dev->dev, "pci fixup %pF returned after %llu usecs\n",
>                fn, duration);

Not sure if that is going to break Arjan 's tool that analyze the boot time.

Thanks

Yinghai
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