From e0e16672ee9e2c31d9601d762cf934196b13a7fc Mon Sep 17 00:00:00 2001 From: Tariq Toukan Date: Thu, 15 Jun 2017 19:07:22 +0300 Subject: pktgen: Specify the index of first thread Use "-f ", to specify the index of the first sender thread. In default first thread is #0. Signed-off-by: Tariq Toukan Cc: Jesper Dangaard Brouer Acked-by: Jesper Dangaard Brouer Signed-off-by: David S. Miller --- samples/pktgen/parameters.sh | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) (limited to 'samples/pktgen/parameters.sh') 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" -- cgit v1.2.3