leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PCI: print out PCI device info along with duration

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

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Yinghai Lu 2012-02-15 21:40:32 -08:00 committed by Jesse Barnes
parent 2069ecfbe1
commit 3cf8b64380
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/pci/quirks.c
View File

@ -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));
}
/*