gettimeofday() in hping

[Stefan Lambrev]

Greets,

binto wrote:
>> Greetings,
>>
>> Steven Hartland wrote:
>>     
>>> ----- Original Message ----- From: "Ivan Voras" <ivoras at freebsd.org>
>>>       
>>>>> The other thing that bothers me is, that under freebsd is quite easy
>>>>> to get:
>>>>> [send_ip] sendto: No buffer space available
>>>>> It happens almost always on my laptop just few seconds after I start
>>>>> hping with timecounter=TSC
>>>>>           
>>>> I'm not sure, but from what I understood of Robert Watson's
>>>> explanation in the big ZFS thread on -current, maybe increasing
>>>> kmem_size (exactly as for ZFS...) could help you with these buffers.
>>>>         
>>> Is this not just running out of mbufs? netstat -m will show if it is
>>> and the fix
>>> is to just increase kern.ipc.nmbclusters.
>>>       
>> 670/1520/2190 mbufs in use (current/cache/total)
>> 462/322/784/25600 mbuf clusters in use (current/cache/total/max)
>> 462/306 mbuf+clusters out of packet secondary zone in use (current/cache)
>> 0/35/35/12800 4k (page size) jumbo clusters in use
>> (current/cache/total/max)
>> 0/0/0/6400 9k jumbo clusters in use (current/cache/total/max)
>> 0/0/0/3200 16k jumbo clusters in use (current/cache/total/max)
>> 1091K/1164K/2255K bytes allocated to network (current/cache/total)
>> 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
>> 0/0/0 requests for jumbo clusters denied (4k/9k/16k)
>> 0/4/6656 sfbufs in use (current/peak/max)
>> 0 requests for sfbufs denied
>> 0 requests for sfbufs delayed
>> 0 requests for I/O initiated by sendfile
>> 0 calls to protocol drain routines
>>
>> kern.ipc.nmbclusters: 25600
>>     
>
> sysctl -a kern.ipc.maxsockbuf ?
>   
No, this doesn't change things.
with timecounter=TSC it's easily reproduced on on 6.3.

-- 

Best Wishes,
Stefan Lambrev
ICQ# 24134177