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6fd980ac JF |
1 | #!/bin/bash |
2 | # | |
3 | # Benchmark script: | |
4 | # - developed for benchmarking egress qdisc path, derived (more | |
5 | # like cut'n'pasted) from ingress benchmark script. | |
6 | # | |
7 | # Script for injecting packets into egress qdisc path of the stack | |
8 | # with pktgen "xmit_mode queue_xmit". | |
9 | # | |
10 | basedir=`dirname $0` | |
11 | source ${basedir}/functions.sh | |
12 | root_check_run_with_sudo "$@" | |
13 | ||
14 | # Parameter parsing via include | |
15 | source ${basedir}/parameters.sh | |
16 | [ -z "$DEST_IP" ] && DEST_IP="198.18.0.42" | |
17 | [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" | |
18 | ||
19 | # Burst greater than 1 are invalid for queue_xmit mode | |
20 | if [[ -n "$BURST" ]]; then | |
21 | err 1 "Bursting not supported for this mode" | |
22 | fi | |
23 | ||
24 | # Base Config | |
25 | DELAY="0" # Zero means max speed | |
26 | COUNT="10000000" # Zero means indefinitely | |
27 | ||
28 | # General cleanup everything since last run | |
29 | pg_ctrl "reset" | |
30 | ||
31 | # Threads are specified with parameter -t value in $THREADS | |
32 | for ((thread = 0; thread < $THREADS; thread++)); do | |
33 | # The device name is extended with @name, using thread number to | |
34 | # make then unique, but any name will do. | |
35 | dev=${DEV}@${thread} | |
36 | ||
37 | # Add remove all other devices and add_device $dev to thread | |
38 | pg_thread $thread "rem_device_all" | |
39 | pg_thread $thread "add_device" $dev | |
40 | ||
41 | # Base config of dev | |
42 | pg_set $dev "flag QUEUE_MAP_CPU" | |
43 | pg_set $dev "count $COUNT" | |
44 | pg_set $dev "pkt_size $PKT_SIZE" | |
45 | pg_set $dev "delay $DELAY" | |
46 | pg_set $dev "flag NO_TIMESTAMP" | |
47 | ||
48 | # Destination | |
49 | pg_set $dev "dst_mac $DST_MAC" | |
50 | pg_set $dev "dst $DEST_IP" | |
51 | ||
52 | # Inject packet into TX qdisc egress path of stack | |
53 | pg_set $dev "xmit_mode queue_xmit" | |
54 | done | |
55 | ||
56 | # start_run | |
57 | echo "Running... ctrl^C to stop" >&2 | |
58 | pg_ctrl "start" | |
59 | echo "Done" >&2 | |
60 | ||
61 | # Print results | |
62 | for ((thread = 0; thread < $THREADS; thread++)); do | |
63 | dev=${DEV}@${thread} | |
64 | echo "Device: $dev" | |
65 | cat /proc/net/pktgen/$dev | grep -A2 "Result:" | |
66 | done |