[LTP] [PATCH 1/4] network/stress/icmp: add icmp-multi-diffip.sh to implement diffip stress test

[Hangbin Liu <haliu@redhat.com>]

Hi,

On Thu, May 19, 2016 at 07:01:30PM +0300, Alexey Kodanev wrote:
> >>>+	rhost_addr_array[$cnt]=$rhost_addr
> >>Please don't use arrays, it's a bash extension.
> >Is there a better way to store the addresses? Use a temp file?
> 
> We can easily calculate them again, why store them... number might be quite
> big.

OK

> 
> >>>+done
> >>>+
> >>>+# Do Stress testing, ping flood
> >>>+tst_resm TINFO "start ping flood stress testing"
> >>>+for rhost_addr in ${rhost_addr_array[@]}; do
> >>>+	for size in ${ICMP_SIZE_ARRAY}; do
> >>>+		ping$TST_IPV6 -f -q -I $lhost_iface $rhost_addr -s $size &> /dev/null &
> >>>+	done
> >>>+done
> 
> Can we start ping test in background after adding each IP, i.e. after
> tst_ping finished?

OK

> 
> >>>+
> >>>+sleep ${NS_DURATION}
> >>>+
> >>>+tst_resm TPASS "$TCID IPv${TST_IPV6:-4} $IPSEC_PROTO $IPSEC_MODE stress test"
> >>Is the test always passing here with no checks?
> >Yes, if the system under test do not crash with ping flood after ${NS_DURATION}
> >seconds, we can pass the test.
> 
> What if remote host crashed somehow, and local not... test would pass in
> that case.
> 
> May be we should kill ping processes (or add -w deadline) and check
> connectivity again,
> what do you think?

Good advice. Will add this check.

Thanks
Hangbin