The gettimeofday function returns the wall clock time elapsed since the epoch and store it in the timevalstructure expressed as seconds and microseconds.
How to display wall clock time c.
You can see the time on your home screens by adding a widget from the clock app.
This c program makes use of a system library file which has its header as time h.
Add a clock widget touch and hold any empty section of a home screen.
This digital clock will display the current time with real time updates of time.
When increasing the number iterations on my computer the measured cpu time starts showing on 100000 iterations.
According to my manual page on clock it says.
At the bottom of the screen tap widgets.
Learn how to display digital clock in c programming language.
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.
The c library function clock t clock void returns the number of clock ticks elapsed since the program was launched.
On a 32 bit system where clocks per sec equals 1000000 this function will return the same value approximately every 72 minutes.
Touch and hold any empty section of a home screen.
You can see the time on your home screens by adding a widget from the clock app.
To get the number of seconds used by the cpu you will need to divide by clocks per sec.