Morning Alfredo,
I would like to follow up with you with regards to
the different ring slot metrics as they are kind of confusing. So which we
should be on the look out for possible problem indicators?
Regards,
Frwa.
On Wed, Jun 5, 2013 at 12:09 AM, frwa onto <[email protected]> wrote:
> Dear Alfredo,
> So can I say that the actual ring memory is 4096 power
> of 2 which is nearly 16777216(bytes or kb or mb)? But then its showing me Min
> Num Slots 6368 so what this represents and what this represent Num Free
> Slots : 6367 and about the total memory 2097152 what does this
> represent? I want to find out the statistics of available memory and what
> can be expanded to avoid any kind of problem like packet loss etc.
>
> Regards,
> Frwa.
>
>
> On Tue, Jun 4, 2013 at 11:44 PM, Alfredo Cardigliano <[email protected]
> > wrote:
>
>> Actual ring memory is rounded up to pow of 2, instead /proc/net/pf_ring/info
>> contains the original value.
>>
>> Alfredo
>>
>> On Jun 4, 2013, at 5:38 PM, frwa onto <[email protected]> wrote:
>>
>> Dear All,
>> We just cat into this file /proc/net/pf_ring/1774-eth0.1
>> below is the results.
>>
>> Bound Device(s) : eth0
>> Active : 1
>> Breed : Non-DNA
>> Sampling Rate : 1
>> Capture Direction : RX+TX
>> Socket Mode : RX only
>> Appl. Name : pfcount
>> IP Defragment : No
>> BPF Filtering : Disabled
>> # Sw Filt. Rules : 0
>> # Hw Filt. Rules : 0
>> Poll Pkt Watermark : 1
>> Num Poll Calls : 447484
>> Channel Id Mask : 0xFFFFFFFF
>> Cluster Id : 0
>> Slot Version : 15 [5.5.3]
>> Min Num Slots : 6368
>> Bucket Len : 128
>> Slot Len : 328 [bucket+header]
>> Tot Memory : 2097152
>> Tot Packets : 305059
>> Tot Pkt Lost : 0
>> Tot Insert : 305059
>> Tot Read : 305058
>> Insert Offset : 1672888
>> Remove Offset : 1672576
>> TX: Send Ok : 0
>> TX: Send Errors : 0
>> Reflect: Fwd Ok : 0
>> Reflect: Fwd Errors: 0
>> Num Free Slots : 6367
>>
>> What confuses is that the minimum ring show in the another command cat
>> /proc/net/pf_ring/info is 4096 but here it shows as 6368? Which is the
>> right values to look and how does this effect the overall packet capture
>> efficiency?
>>
>> Regards,
>> Frwa.
>>
>>
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