You can do it with cgo. I have some code that does this:
// #include <unistd.h>
import "C"
func init() {
clockTicksPerSec = float64(C.sysconf(C._SC_CLK_TCK))
if clockTicksPerSec != 100 {
log.Println("Unusual _SC_CLK_TCK value:", clockTicksPerSec)
}
}
var clockTicksPerSec float64
// later it normalizes things by clickTicksPerSec
On Thu, Jan 18, 2018 at 5:55 PM, <andrew.george.hamm...@gmail.com> wrote:
> I want to find out how long a process has been running.
>
> I'm grabbing the starttime out of /proc/$pid/stat for a process. This is in
> "in clock ticks (divide by sysconf(_SC_CLK_TCK))." according to
> http://man7.org/linux/man-pages/man5/proc.5.html
>
> I also have Sysinfo.Uptime (seconds since boot). My plan was to subtract
> proc starttime from uptime, but I need to first divide out the clock tick /
> second to get my units right. I haven't been able to find a way to get this
> value.
>
> I suspect that my approach is wrong and that there is probably a more
> elegant way to do this.
>
> A
>
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