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netperf: output more metrics

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* use netperf omnitest output selectors to acquire more metrics
* remove packet_size argument that was not interpreted by netperf

genodelabs/genode#4427
This commit is contained in:
Johannes Schlatow 2022-02-14 18:54:26 +01:00 committed by Norman Feske
parent 8b7067d289
commit c265218ba8
1 changed files with 20 additions and 15 deletions
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35
repos/ports/run/netperf.inc
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@ -128,7 +128,6 @@ if {$wrong_version} {
}
# netperf configuration
set packet_size 1024
set netperf_tests "TCP_STREAM TCP_MAERTS"
proc socket_fs_plugin {} {
@ -468,34 +467,40 @@ sleep 3
foreach netperf_test $netperf_tests {
puts "\n---------------------------- $netperf_test -----------------------"
spawn netperf-$version -4 -H $ip_addr -P 1 -v 2 -t $netperf_test -c -C -- $packet_size $force_ports
spawn netperf-$version -4 -H $ip_addr -P 1 -v 2 -f m -t $netperf_test -c -C -- $force_ports \
-k THROUGHPUT,THROUGHPUT_UNITS,LOCAL_TRANSPORT_RETRANS,MEAN_LATENCY,REMOTE_SEND_CALLS,REMOTE_RECV_CALLS,ELAPSED_TIME
set netperf_id $spawn_id
set spawn_id_list [list $netperf_id $serial_id]
# reset output, so that we get on the second run not the result of the first
set output ""
run_genode_until "Segment" 120 $spawn_id_list
run_genode_until "ELAPSED_TIME=.*\n" 120 $spawn_id_list
set units "Mbit/s"
# get throughput from netperf output
set throughput [regexp -all -inline {([0-9]+[ ]+){3}[0-9]+\.[0-9]+[ ]+[0-9]+\.[0-9]+} $output]
set throughput [regexp -all -inline {[0-9]+\.[0-9]+} $throughput]
regexp {THROUGHPUT=([\d\.]+)} $output dummy throughput
# calculate packets per second rate
set all_bytes [regexp -all -inline {([0-9]+[ ]+){5}} $output]
set all_bytes [lindex $all_bytes 0 4]
# get elapsed time from netperf output
regexp {ELAPSED_TIME=([\d\.]+)} $output dummy elapsed_time
set elapsed_time [regexp -all -inline {([0-9]+[ ]+){3}[0-9]+\.[0-9]+[ ]+} $output]
set elapsed_time [lindex $elapsed_time 0 3]
set packets_second [expr $all_bytes / $packet_size / $elapsed_time]
# get send calls from netperf output
regexp {REMOTE_SEND_CALLS=([\d]+)} $output dummy send_calls
puts "\ncalculation: overall bytes / size per packet / time = packets per second"
puts -nonewline " $all_bytes Bytes / $packet_size Bytes / $elapsed_time s = "
puts "[format %8.0f $packets_second] packets/s\n"
# get recv calls from netperf output
regexp {REMOTE_RECV_CALLS=([\d]+)} $output dummy recv_calls
set sends_second [expr $send_calls / $elapsed_time]
set recvs_second [expr $recv_calls / $elapsed_time]
puts ""
puts "[format %8.0f $sends_second] send()/s"
puts "[format %8.0f $recvs_second] recv()/s"
# format output parseable for post proccessing scripts
puts -nonewline "! PERF: $netperf_test"
if {$use_nic_bridge} { puts -nonewline "_bridge" }
if {$use_usb_driver} { puts -nonewline "_xhci" }
puts " [lindex $throughput 1] MBit/s ok"
puts " $throughput $units ok"
}