Re: sysUptime uses gettimeofday

On Wed, Mar 28, 2018 at 12:49:48PM +0530, Pushpa Thimmaiah wrote:
> Hi All,
> 
> I believed that sysUpTime is counter that increments  every seconds. But In
> net-snmp code ,
>  sysUpTime being calculated as difference between 'snmpd-starttime' and
> 'current time' .
> 
> I would like to know reason for sysUpTime been calculated as difference in
> time instead of incremental-counter.
> Is there any constraints ?

sysUpTime is expressed in centiseconds.
It is assumed that most snmp daemons ain't polled 100 times/s so doing it
with increments would be inefficient as well as bad for accurancy.

/MF

------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot