> I am not sure, but can this be memory allignment problem ?
> you can check this by adding one more (dummy ) element of __u32 length (MIPS
> should print 40 insted of 44 and pc shuld print 40 as expected )
You are right. when I add a __u32 dummy to the tc_stats then it still
prints the size as 40. Is it get padded at the end? My main concern is,
is this a normal behavior or do I need to upgrade my MIPS build
environment?
Thanks a lot,
Muthu.
>
> if it works then you can get rid of the above problem by changing the
> compilar settings.
>
> Regards,
> venkatesh M R
>
>
>
>
> Muthukumar Ratty wrote:
>
> > Hi,
> > In my MIPS system sizeof(struct tc_stats) returns 40 but it returns 36 in
> > i386 PC.
> >
> > tc_stats is defined in include/linux/pkt_sched.c as
> > struct tc_stats
> > {
> > __u64 bytes; /* NUmber of enqueues bytes */
> > __u32 packets; /* Number of enqueued packets */
> > __u32 drops; /* Packets dropped because of lack
> > of resources */
> > __u32 overlimits; /* Number of throttle events when
> > this
> > * flow goes out of allocated
> > bandwidth*/
> > __u32 bps; /* Current flow byte rate */
> > __u32 pps; /* Current flow packet rate */
> > __u32 qlen;
> > __u32 backlog;
> > #ifdef __KERNEL__
> > spinlock_t *lock;
> > #endif
> > };
> > I printed the offsets of individual fields and they are same in i386 and
> > MIPS. If the "spinlock_t" is defined then this may be the case but I
> > am compiling an application, so it shouldnt be there? Right now I
> > think the problem could be with the "sizeof" operator.
> > Could someone please let me know if this is the case or I am doing
> > something wrong. Also any solution.
> >
> > The versions are
> > kernel : 2.4.3
> > gcc : gcc version 3.1
> > binutils : 2.11.93
> > glibc : 2.2.5
> >
> > Thanks,
> > Muthu.
>
