To get the number of seconds used by the cpu you will need to divide by clocks per sec.
How to display wall clock time c.
The gettimeofday function returns the wall clock time elapsed since the epoch and store it in the timevalstructure expressed as seconds and microseconds.
You can see the time on your home screens by adding a widget from the clock app.
Posix requires that clocks per sec equals 1000000 independent of the actual resolution.
It is defined in sys time h header file and takes two arguments the first arugment is reference to the timevalstructure and the second argument is a null pointer.
Learn how to display digital clock in c programming language.
On a 32 bit system where clocks per sec equals 1000000 this function will return the same value approximately every 72 minutes.
Add a clock widget touch and hold any empty section of a home screen.
Touch and hold any empty section of a home screen.
The c library function clock t clock void returns the number of clock ticks elapsed since the program was launched.
At the bottom of the screen tap widgets.
According to my manual page on clock it says.
The time h header file defines two macro four variable types and various other functions for manipulating time and date.
This c program makes use of a system library file which has its header as time h.
When increasing the number iterations on my computer the measured cpu time starts showing on 100000 iterations.