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test: Combine iperf3c and iperf3s into a single DSL command
These two commands in the DSL to run an iperf client and server are always used together, and some of the parameters must match between them. The iperf3s must also be run more or less immediately after iperf3c, since iperf3c will run a client in the background after a sleep and requires a server to be running before it will work. A bunch of things can be made cleaner if we make a single DSL command that runs both sides of the test. For now make the combined command work exactly like the two commands together did, warts and all. This does lose the ability for the DSL scripts to give additional options to the iperf3 server, but we weren't using that anyway. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson
Stefano Brivio
parent
55679a16af
commit
5c13b511d9
5 changed files with 125 additions and 200 deletions
test/lib
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@ -13,74 +13,73 @@
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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# test_iperf3() - Ugly helper for iperf3c/iperf3s directives
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# $1: Role: client or server
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# $2: Pane name, can be lowercase
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# $3: Destination name or address for client
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# $4: Port number, ${i} is translated to process index
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# $5: Number of processes to run in parallel
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# $@: Options
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# test_iperf3() - Ugly helper for iperf3 directive
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# $1: Variable name: to put the measure bandwidth into
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# $2: Source/client pane name, can be lowercase
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# $3: Destination/server pane name, can be lowercase
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# $4: Destination name or address for client
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# $5: Port number, ${i} is translated to process index
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# $6: Number of processes to run in parallel
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# $@: Client options
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test_iperf3() {
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__role="${1}"; shift
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__pane="$(echo "${1}" | tr [a-z] [A-Z])"; shift
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[ "${__role}" = "client" ] && __dest="${1}" && shift || __dest=""
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__var="${1}"; shift
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__cpane="$(echo "${1}" | tr [a-z] [A-Z])"; shift
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__spane="$(echo "${1}" | tr [a-z] [A-Z])"; shift
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__dest="${1}"; shift
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__port="${1}"; shift
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__procs="$((${1} - 1))"; shift
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[ "${__role}" = "server" ] && __role_opt="-c" || __role_opt="-s1J"
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if [ ${__role} = "client" ]; then
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UDP_CLIENT=0
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for __opt in ${@}; do
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[ "${__opt}" = "-u" ] && UDP_CLIENT=1
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done
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(
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sleep 2
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}');' \
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'do ( iperf3 -c '"${__dest}"' -p '"${__port}" \
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"${@}" ' -T s${i} & echo $! > c${i}.pid & ); done'
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sleep 40
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}'); do'\
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'kill -INT $(cat c${i}.pid) 2>/dev/null; done'
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) &
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return
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fi
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}'); do' \
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pane_run "${__spane}" 'for i in $(seq 0 '${__procs}'); do' \
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':> s${i}.bw; done'
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pane_status "${__pane}"
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pane_status "${__spane}"
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if [ ${UDP_CLIENT} -eq 0 ]; then
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}');' \
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'do ( ( iperf3 -s1J -p '"${__port} ${@}" \
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__udp=0
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for __opt in ${@}; do
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[ "${__opt}" = "-u" ] && __udp=1
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done
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(
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sleep 2
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pane_run "${__cpane}" 'for i in $(seq 0 '${__procs}');' \
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'do ( iperf3 -c '"${__dest}"' -p '"${__port}" \
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"${@}" ' -T s${i} & echo $! > c${i}.pid & ); done'
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sleep 40
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pane_run "${__cpane}" 'for i in $(seq 0 '${__procs}'); do'\
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'kill -INT $(cat c${i}.pid) 2>/dev/null; done'
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) &
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if [ ${__udp} -eq 0 ]; then
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pane_run "${__spane}" 'for i in $(seq 0 '${__procs}');' \
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'do ( ( iperf3 -s1J -p '"${__port}" \
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'& echo $! > s${i}.pid ) 2>/dev/null' \
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'| jq -rM ".end.sum_received.bits_per_second"' \
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'> s${i}.bw & );' \
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'done'
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else
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}');' \
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'do ( ( iperf3 -s1J -i 30 -p '"${__port} ${@}" \
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pane_run "${__spane}" 'for i in $(seq 0 '${__procs}');' \
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'do ( ( iperf3 -s1J -i 30 -p '"${__port}" \
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'& echo $! > s${i}.pid ) 2>/dev/null' \
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'| jq -rM ".intervals[0].sum.bits_per_second"' \
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'> s${i}.bw & );' \
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'done'
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fi
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pane_status "${__pane}"
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pane_status "${__spane}"
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sleep 45
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}'); do' \
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pane_run "${__spane}" 'for i in $(seq 0 '${__procs}'); do' \
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'kill -INT $(cat s${i}.pid) 2>/dev/null; done'
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sleep 4
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pane_wait "${__pane}"
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pane_run "${__pane}" '(cat s*.bw |' \
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pane_wait "${__spane}"
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pane_run "${__spane}" '(cat s*.bw |' \
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'sed '"'"'s/\(.*\)/\1\+/g'"'"' |' \
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'tr -d "\n"; echo 0) | bc -l'
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pane_wait "${__pane}"
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pane_parse "${__pane}"
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}'); do' \
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pane_wait "${__spane}"
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__bw="$(pane_parse "${__spane}")"
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pane_run "${__spane}" 'for i in $(seq 0 '${__procs}'); do' \
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'rm -f [cs]${i}.bw [cs]${i}.pid; done'
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pane_status "${__pane}"
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pane_status "${__spane}"
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TEST_ONE_subs="$(list_add_pair "${TEST_ONE_subs}" "__${__var}__" "${__bw}" )"
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}
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test_one_line() {
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@ -323,11 +322,8 @@ test_one_line() {
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"lat")
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table_value_latency ${__arg} || TEST_ONE_perf_nok=1
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;;
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"iperf3c")
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test_iperf3 client ${__arg}
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;;
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"iperf3s")
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TEST_ONE_subs="$(list_add_pair "${TEST_ONE_subs}" "__${__arg%% *}__" "$(test_iperf3 server ${__arg#* })" )"
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"iperf3")
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test_iperf3 ${__arg}
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;;
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"set")
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TEST_ONE_subs="$(list_add_pair "${TEST_ONE_subs}" "__${__arg%% *}__" "${__arg#* }")"
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