[c-nsp] OSM memory allocating process question

[Rodney Dunn]

Can you get a 'sh proc mem sort' and then get a 'sh proc mem <PID>
for the few processes holding the top amounts of memory?

Rodney

On Fri, Mar 31, 2006 at 06:35:31PM +0300, Emanuel Popa wrote:
> On 3/31/06, Rodney Dunn <rodunn at cisco.com> wrote:
> > On Fri, Mar 31, 2006 at 01:26:27PM +0300, Emanuel Popa wrote:
> > > [...]
> > >
> > > Allocator PC Summary for: Processor
> > >
> > >     PC          Total   Count  Name
> > > 0x603F4EC8   20447344       2  CWTLC STAT INFO
> > > 0x602D8740    6291568       2  SCP Find Master process
> > > 0x602D8A74    3604592       2  SCP Find Master process
> > > 0x603F4EB0    3145840       2  Init
> > > 0x602A0A20    1500056       1  rp if_info
> > > 0x604C18B8    1377432      21  Linecard CEF m
> > > 0x604597E4    1179648   12288  Init
> > > 0x603F2F2C    1080056       1  fr if_info
> > > [...]
> > >
> > > Allocator PC Summary for: I/O
> > >
> > >     PC          Total   Count  Name
> > > 0x600ECB70    2952320       5  COMM
> > > 0x600E6A54    1055392     338  *Packet Data*
> > >
> > > [...]
> > >
> > > Of course, an upgrade is necessary and will be done eventually...
> >
> > Yeah..but I do find it a bit odd that a STAT INFO type process would
> > be holding 20M. I think that is some information about QOS running
> > on the card. What code are you running?
> >
> > I see some changes where they changed things in this area in 12.2(18)SXD
> > but I can't tell how much it would have changed it because it appears
> > to be configuration specific.
> >
> 
> the code we are running is 12.2(18)SXF:
> 
> ROUTER#sh ver | i IOS
> IOS (tm) s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version
> 12.2(18)SXF, RELEASE SOFTWARE (fc1)
> 
> i tried disabling qos because we were only using it to change the DSCP
> of the packets in order to identify them on the access layer:
> 
> ROUTER#sh mls qos
>   QoS is disabled globally
> 
> but the STAT INFO process still takes 20MB of our precious memory.
> here is the memory allocating process from another OSM in the same
> chassis:
> 
> CWTLC-Slot1#sh memory allocating-process totals
>                 Head    Total(b)     Used(b)     Free(b)   Lowest(b)  Largest(b)
> Processor   6183D880    92022656    91908624      114032       67664       71384
>       I/O   20000000    16777216     3926232    12850984    12639360    12561432
> 
> Allocator PC Summary for: Processor
> 
>     PC          Total   Count  Name
> 0x604CD6A8   30718952     912  FIB 1 path chu
> 0x603F4EC8   20447344       2  CWTLC STAT INFO
> 0x604CD7D8   11679168     354  IP mtrie node
> 0x602D8740    6291568       2  SCP Find Master process
> 0x602D8A74    3604592       2  SCP Find Master process
> 0x603F4EB0    3145840       2  Init
> 0x602A0A20    1500056       1  rp if_info
> 0x604C18B8    1377432      21  Linecard CEF m
> 0x604597E4    1179648   12288  Init
> 0x603F2F2C    1080056       1  fr if_info
> [...]
> 
> Indeed, we are running as close to the edge as possible.
> 
> Do you think there is any chance to find out more details about this
> process: "CWTLC STAT INFO". Is there anybody out there with a 7600, a
> full routing table, an OSM linecard and 12.2(18)SX? I would be curious
> to see how much memory does this process take on other
> configurations...
> 
> Thx,
> Emanuel Popa