From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Gibson <david@gibson.dropbear.id.au>
To: passt-dev@passt.top
Subject: Re: [PATCH v2 4/4] test: Rewrite test_iperf3
Date: Wed, 07 Sep 2022 10:41:39 +1000
Message-ID: <Yxfow7ELh307gS5i@yekko>
In-Reply-To: <20220906182300.4fc52cdc@elisabeth>
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On Tue, Sep 06, 2022 at 06:23:00PM +0200, Stefano Brivio wrote:
> On Fri,  2 Sep 2022 12:04:34 +1000
> David Gibson <david(a)gibson.dropbear.id.au> wrote:
> 
> > [...]
> >
> > --- a/test/lib/test
> > +++ b/test/lib/test
> > @@ -30,54 +30,40 @@ test_iperf3() {
> >  	__procs="$((${1} - 1))"; shift
> >  	__time="${1}"; shift
> >  
> > -	pane_run "${__spane}" 'for i in $(seq 0 '${__procs}'); do'	\
> > -		':> s${i}.bw; done'  
> > +	pane_run "${__spane}" 						\
> > +		 '('							\
> > +		 '	for i in $(seq 0 '${__procs}'); do'		\
> > +		 '		iperf3 -s1J -p'${__port}' -i'${__time}	\
> > +		 '		   > s${i}.json &'			\
> > +		 '	done;'						\
> > +		 '	wait'						\
> > +		 ')'
> > +
> > +	pane_run "${__cpane}" 						\
> > +		 '('							\
> > +		 '	for i in $(seq 0 '${__procs}'); do'		\
> > +		 '		iperf3 -c '${__dest}' -p '${__port}	\
> > +		 '		  -t'${__time}' -T s${i} '"${@}"' &'	\
> > +		 '	done;'						\
> > +		 '	wait'						\
> > +		 ')'
> > +
> > +	pane_status "${__cpane}"
> >  	pane_status "${__spane}"
> >  
> > -	__udp=0
> > +	__jval=".end.sum_received.bits_per_second"
> >  	for __opt in ${@}; do
> > -	    [ "${__opt}" = "-u" ] && __udp=1
> > +		# UDP test
> > +		[ "${__opt}" = "-u" ] && __jval=".intervals[0].sum.bits_per_second"
> >  	done
> >  
> > -	(
> > -		sleep 2
> > -		pane_run "${__cpane}" 'for i in $(seq 0 '${__procs}');'	\
> > -			 'do ( iperf3 -c '"${__dest}"' -p '"${__port}"	\
> > -			 '-t'${__time} "${@}" ' -T s${i} & echo $! > c${i}.pid & ); done'
> > -		sleep $(echo ${__time} + 10 | bc -l)
> > -		pane_run "${__cpane}" 'for i in $(seq 0 '${__procs}'); do'\
> > -			 'kill -INT $(cat c${i}.pid) 2>/dev/null; done'
> > -	) &
> > -
> > -	if [ ${__udp} -eq 0 ]; then
> > -		pane_run "${__spane}" 'for i in $(seq 0 '${__procs}');'	\
> > -			'do ( ( iperf3 -s1J -p '"${__port}"		\
> > -			'& echo $! > s${i}.pid ) 2>/dev/null'		\
> > -			'| jq -rM ".end.sum_received.bits_per_second"'	\
> > -			'> s${i}.bw & );'				\  
> > -			'done'
> > -	else
> > -		pane_run "${__spane}" 'for i in $(seq 0 '${__procs}');'	\
> > -			'do ( ( iperf3 -s1J -i '${__time}' -p '"${__port}"	\
> > -			'& echo $! > s${i}.pid ) 2>/dev/null'		\
> > -			'| jq -rM ".intervals[0].sum.bits_per_second"'	\
> > -			'> s${i}.bw & );'				\  
> > -			'done'
> > -	fi
> > -
> > -	pane_status "${__spane}"
> > -	sleep $(echo ${__time} + 15 | bc -l)
> > -	pane_run "${__spane}" 'for i in $(seq 0 '${__procs}'); do'	\
> > -		 'kill -INT $(cat s${i}.pid) 2>/dev/null; done'
> > -	sleep 4
> > -	pane_wait "${__spane}"
> > -	pane_run "${__spane}" '(cat s*.bw |'				\
> > -		'sed '"'"'s/\(.*\)/\1\+/g'"'"' |'			\
> > -		'tr -d "\n"; echo 0) | bc -l'
> 
> At this point we can probably drop the "ugly" from:
> 
> # test_iperf3() - Ugly helper for iperf3 directive

Heh, yeah I guess so.

> :) but I guess your opinion might differ, so I'll leave it for now.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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