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test/perf: Simplify iperf3 server lifetime management

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After we start the iperf3 server in the background, we have a sleep to
make sure it's ready to receive connections.  We can simplify this slightly
by using the -D option to have iperf3 background itself rather than
backgrounding it manually.  That won't return until the server is ready to
use.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2025-03-12 16:26:57 +11:00 • committed by Stefano Brivio
parent 26df8a3608
commit 78f1f0fdfc
1 changed files with 2 additions and 5 deletions

7
test/lib/test
View file

@ -20,10 +20,7 @@ test_iperf3s() {
__sctx="${1}"
__port="${2}"
pane_or_context_run_bg "${__sctx}" \
'iperf3 -s -p'${__port}' & echo $! > s.pid' \
sleep 1 # Wait for server to be ready
pane_or_context_run "${__sctx}" 'iperf3 -s -p'${__port}' -D -I s.pid'
}
# test_iperf3k() - Kill iperf3 server
@ -31,7 +28,7 @@ test_iperf3s() {
test_iperf3k() {
__sctx="${1}"
pane_or_context_run "${__sctx}" 'kill -INT $(cat s.pid); rm s.pid'
pane_or_context_run "${__sctx}" 'kill -INT $(cat s.pid)'
sleep 1 # Wait for kernel to free up ports
}