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| author |   Tariq Toukan <tariqt@mellanox.com> | 2017-06-15 19:07:22 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-06-16 12:32:34 -0400 |
| commit | e0e16672ee9e2c31d9601d762cf934196b13a7fc (patch) | |
| tree | fe98cc2b576624b43bd00dbebcdcb2636d952401 /samples/pktgen/parameters.sh | |
| parent | pktgen: Specify num packets per thread (diff) | |
| download | linux-dev-e0e16672ee9e2c31d9601d762cf934196b13a7fc.tar.xz linux-dev-e0e16672ee9e2c31d9601d762cf934196b13a7fc.zip | |
pktgen: Specify the index of first thread
Use "-f <num>", to specify the index of the first
sender thread.
In default first thread is #0.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples/pktgen/parameters.sh')
| -rw-r--r-- | samples/pktgen/parameters.sh | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/samples/pktgen/parameters.sh b/samples/pktgen/parameters.sh index 036147594a20..3a6244d5f47a 100644 --- a/samples/pktgen/parameters.sh +++ b/samples/pktgen/parameters.sh @@ -10,6 +10,7 @@ function usage() { echo " -d : (\$DEST_IP) destination IP" echo " -m : (\$DST_MAC) destination MAC-addr" echo " -t : (\$THREADS) threads to start" + echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)" echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB" echo " -n : (\$COUNT) num messages to send per thread, 0 means indefinitely" echo " -b : (\$BURST) HW level bursting of SKBs" @@ -21,7 +22,7 @@ function usage() { ## --- Parse command line arguments / parameters --- ## echo "Commandline options:" -while getopts "s:i:d:m:t:c:n:b:vxh6" option; do +while getopts "s:i:d:m:f:t:c:n:b:vxh6" option; do case $option in i) # interface export DEV=$OPTARG @@ -39,11 +40,13 @@ while getopts "s:i:d:m:t:c:n:b:vxh6" option; do export DST_MAC=$OPTARG info "Destination MAC set to: DST_MAC=$DST_MAC" ;; + f) + export F_THREAD=$OPTARG + info "Index of first thread (zero indexed CPU number): $F_THREAD" + ;; t) export THREADS=$OPTARG - export CPU_THREADS=$OPTARG - let "CPU_THREADS -= 1" - info "Number of threads to start: $THREADS (0 to $CPU_THREADS)" + info "Number of threads to start: $THREADS" ;; c) export CLONE_SKB=$OPTARG @@ -82,12 +85,17 @@ if [ -z "$PKT_SIZE" ]; then info "Default packet size set to: set to: $PKT_SIZE bytes" fi +if [ -z "$F_THREAD" ]; then + # First thread (F_THREAD) reference the zero indexed CPU number + export F_THREAD=0 +fi + if [ -z "$THREADS" ]; then - # Zero CPU threads means one thread, because CPU numbers are zero indexed - export CPU_THREADS=0 export THREADS=1 fi +export L_THREAD=$(( THREADS + F_THREAD - 1 )) + if [ -z "$DEV" ]; then usage err 2 "Please specify output device" |