System.CPUTime.Clock

From time.h, provides clockid_t, timespec, clock_gettime, clock_getres.

Documentation

data Clock

Clock types

Constructors

Monotonic

Clock that cannot be set and represents monotonic time since some unspecified starting point.

Realtime

System-wide realtime clock

ProcessTime

High-resolution per-process timer from the CPU.

ThreadTime

Thread-specific CPU-time clock.

data TimeSpec

TimeSpec structure

Constructors

Time Int Int

Instances

Read TimeSpec

Show TimeSpec

clock_gettime :: Clock -> IO TimeSpec

Retrieves the time of the specified clock.

clock_getres :: Clock -> IO TimeSpec

Finds the resolution (precision) of the specified clock.

sec :: TimeSpec -> Int

Seconds of a TimeSpec

nsec :: TimeSpec -> Int

Nanoseconds of a TimeSpec