Red Hat Summit Red Hat SummitSupportConsoleDevelopersStart a trialContact

9.10. Timestamps

The following functions provide methods to extract time data.

9.10.1. get_cycles
Copy link

General syntax: 
get_cycles:long ()
Copy to Clipboard Toggle word wrap
This function returns the processor cycle counter value if available, else it returns zero.

9.10.2. gettimeofday_ms
Copy link

General syntax: 
gettimeofday_ms:long ()
Copy to Clipboard Toggle word wrap
This function returns the number of milliseconds since the UNIX epoch.

9.10.3. gettimeofday_ns
Copy link

General syntax: 
gettimeofday_ns:long ()
Copy to Clipboard Toggle word wrap
This function returns the number of nanoseconds since the UNIX epoch.

9.10.4. gettimeofday_s
Copy link

General syntax: 
gettimeofday_s:long ()
Copy to Clipboard Toggle word wrap
This function returns the number of seconds since the UNIX epoch.

9.10.5. gettimeofday_us
Copy link

General syntax: 
gettimeofday_us:long ()
Copy to Clipboard Toggle word wrap
This function returns the number of microseconds since the UNIX epoch.
Back to top
Red Hat logoGithubredditYoutubeTwitter

Learn

Try, buy, & sell

Communities

About Red Hat Documentation

We help Red Hat users innovate and achieve their goals with our products and services with content they can trust. Explore our recent updates.

Making open source more inclusive

Red Hat is committed to replacing problematic language in our code, documentation, and web properties. For more details, see the Red Hat Blog.

About Red Hat

We deliver hardened solutions that make it easier for enterprises to work across platforms and environments, from the core datacenter to the network edge.

Theme

© 2025 Red Hat