[systemd-devel] hwdb for gphoto2

[Kay Sievers]

On Thu, Jul 18, 2013 at 12:59 AM, Tom Gundersen <teg at jklm.no> wrote:

> Out of interest, what's the best way to measure the time event processing takes?

$ grep . /sys/bus/usb/devices/*/modalias
/sys/bus/usb/devices/1-0:1.0/modalias:usb:v1D6Bp0002d0309dc09dsc00dp00ic09isc00ip00in00
/sys/bus/usb/devices/1-1:1.0/modalias:usb:v8087p0024d0000dc09dsc00dp01ic09isc00ip00in00
/sys/bus/usb/devices/1-1.2:1.0/modalias:usb:v0424p2514d0000dc09dsc00dp02ic09isc00ip02in00
...

$ time udevadm hwdb --test=usb:v8087p0024d0000dc09dsc00dp01ic09isc00ip00in00
ID_MODEL_FROM_DATABASE=Integrated Rate Matching Hub
ID_USB_CLASS_FROM_DATABASE=Hub
ID_USB_PROTOCOL_FROM_DATABASE=Single TT
ID_VENDOR_FROM_DATABASE=Intel Corp.

real	0m0.003s
user	0m0.001s
sys	0m0.001s

Kay