Hi Paul,
On 08/02/2011 03:41 AM, Paul Walmsley wrote:
>
> Hi,
>
> On Mon, 1 Aug 2011, Michael Jones wrote:
>
>> I have a function in a driver which takes ~50ms to execute, which I've
>> measured by reading jiffies at the beginning and end. But jiffies only
>> counts at 128Hz on my system, so th
Hi,
On Mon, 1 Aug 2011, Michael Jones wrote:
> I have a function in a driver which takes ~50ms to execute, which I've
> measured by reading jiffies at the beginning and end. But jiffies only
> counts at 128Hz on my system, so this was a very coarse measurement. Now
> I would like to find out more
On Mon, Aug 1, 2011 at 10:34 AM, Gadiyar, Anand wrote:
> Michael Jones wrote:
>> I have a function in a driver which takes ~50ms to execute, which I've
>> measured by reading jiffies at the beginning and end. But jiffies only
>> counts at 128Hz on my system, so this was a very coarse measurement.
Michael Jones wrote:
> I have a function in a driver which takes ~50ms to execute, which I've
> measured by reading jiffies at the beginning and end. But jiffies only
> counts at 128Hz on my system, so this was a very coarse measurement. Now
> I would like to find out more exactly where the time is