Hi Sathishkumar, I've used RDTSC instruction as precision timer. RDTSC measures clock cycles. Example on: petersenna.com/files/rdtscbench-1.0.tar.gz More about rdtsc: http://en.wikipedia.org/wiki/Time_Stamp_Counter http://people.virginia.edu/~chg5w/page3/assets/MeasuringUnix.pdf Regards, Peter On Tue, Dec 6, 2011 at 6:47 AM, Sathishkumar Duraisamy <bewithsathish@xxxxxxxxx> wrote: > Hi, > > I am writing a module to measure time taken between two events. I have > to measure time in microseconds. Some articles says about High > resolution timers. As per the article > http://elinux.org/High_Resolution_Timers, I read cat /proc/timer_list > which says 10000000ns as resolution ( which is 10ms). I think with > this resolution I cannot measure in the range of microseconds. I > couldn't able to find support for HR timer in kernel menuconfig. > > I am using kernel 2.6.36.2. Can you please help me to, "How do enable > this timer. Or is there any other means to measure time or simply I > have to use the timer hardware directly?" > > -- > With Thanks, > Sathishkumar D > http://flowersopenlab.weebly.com/ > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies -- Peter Senna Tschudin peter.senna@xxxxxxxxx gpg id: 48274C36 _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
