On Fri, Feb 28, 2014 at 03:15:17PM -0800, Ben Pfaff wrote:
> On Fri, Feb 28, 2014 at 03:07:45PM -0800, Pravin Shelar wrote:
> > On Fri, Feb 28, 2014 at 1:14 PM, Ben Pfaff <b...@nicira.com> wrote:
> > > The kernel starts out its "jiffies" timer as 5 minutes below zero, as
> > > shown in include/linux/jiffies.h:
> > >
> > >   /*
> > >    * Have the 32 bit jiffies value wrap 5 minutes after boot
> > >    * so jiffies wrap bugs show up earlier.
> > >    */
> > >   #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
> > >
> > > The loop in ovs_flow_stats_get() starts out with 'used' set to 0, then
> > > takes any "later" time.  This means that for the first five minutes after
> > > boot, flows will always be reported as never used, since 0 is greater than
> > > any time already seen.
> > >
> > > Signed-off-by: Ben Pfaff <b...@nicira.com>
> > 
> > Good catch.
> > 
> > Acked-by: Pravin B Shelar <pshe...@nicira.com>
> 
> Thanks, I applied this to master.  Shall I backport it?

Actually, I guess the answer to that is obvious.  I backported this to
2.1.
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