Commit 3cf8b643 authored by Yinghai Lu's avatar Yinghai Lu Committed by Jesse Barnes
Browse files

PCI: print out PCI device info along with duration 



Makes it a little easier to figure out which device may have caused a
slow quirk.

Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent 2069ecfb

drivers/pci/quirks.c

+4 −3
Original line number Diff line number Diff line
@@ -2854,14 +2854,15 @@ static void do_one_fixup_debug(void (*fn)(struct pci_dev *dev), struct pci_dev * 
	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));

	calltime = ktime_get();

	fn(dev);

	rettime = ktime_get();

	delta = ktime_sub(rettime, calltime);

	duration = (unsigned long long) ktime_to_ns(delta) >> 10;

	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));

}



/*