Re: why "snmplib/snmp_alarm.c" needed in net-snmp agent

HI Bart,

Thanks very much for your inputs.

In fact we have 500+ IP's configured on this machine.
Meanwhile as a optimization i tried was to avoid the
netsnmp_binary_array_get() call from "netsnmp_binary_array_insert()", so
that sort will be called only when the last entry in the container is being
checked.

Because this only checks for duplicate entries.
Let me know whether this change makes it better?

BR,
Bheemesh



On Thu, Dec 24, 2009 at 2:53 PM, Bart Van Assche
<[email protected]>wrote:

> On Fri, Dec 11, 2009 at 11:20 AM, bheemesh v <[email protected]> wrote:
> > Attaching call graph of the profiled snmpd daemon.
> > Find the graph in attachment.
>
> (replying to an e-mail of two weeks ago)
>
> The call graph is interesting. What you did not yet tell us, and what
> is important in order to interpret the call graph correctly, is how
> many rows are present on your setup in ipAddressTable.
>
> As you can see in the source code of netsnmp_binary_array_insert(),
> this function adds a new entry at the end of the array and sets the
> dirty flag. Setting the dirty flag will make the next call of
> netsnmp_binary_array_get() (which is called by
> netsnmp_binary_array_insert() to check for duplicate entries) sort the
> array. It will probably help to modify netsnmp_binary_array_insert()
> such that if the dirty flag is not set upon entry, it does not set the
> dirty flag upon exit but instead inserts the new entry at the right
> position in the array such that it remains sorted.
>
> Bart.
>

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