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test/vhost: improve run_fio --local option

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When using --local acutally wait for fio processes
to finish and then gather results back to the host
system.

--local allows to run independent fio instances
on guest systems, avoiding fio client-server mode.
This will come in handy when trying to run fio bdev
plugin with virtio bdevs in guest systems.
At the moment fio plugin does not work in client-
server mode, so "local" must be used"

Change-Id: I2020c1b636fbf4ab1fe8ef590639e0dbfd905414
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1533
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Karol Latecki 2020-03-27 12:51:25 +01:00 committed by Tomasz Zawadzki
parent 7cf4602d11
commit 9fc706f4b6
1 changed files with 9 additions and 3 deletions
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12
test/vhost/common.sh
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@ -1095,13 +1095,19 @@ function run_fio()
fi fi
notice "Running local fio on VM $vm_num" notice "Running local fio on VM $vm_num"
vm_exec $vm_num "nohup /root/fio /root/$job_fname 1>/root/$job_fname.out 2>/root/$job_fname.out </dev/null & echo \$! > /root/fio.pid" vm_exec $vm_num "/root/fio --output=/root/$job_fname.out --output-format=$fio_output_format /root/$job_fname" &
vm_exec_pids+=("$!")
fi fi
done done
if ! $run_server_mode; then if ! $run_server_mode; then
# Give FIO time to run echo "Waiting for guest fio instances to finish.."
sleep 0.5 wait "${vm_exec_pids[@]}"
for vm in "${vms[@]}"; do
local vm_num=${vm%%:*}
vm_exec $vm_num cat /root/$job_fname.out > "$out/vm${vm_num}_${job_fname}"
done
return 0 return 0
fi fi