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pktgen: Specify the index of first thread

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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>
This commit is contained in:
Tariq Toukan 2017-06-15 19:07:22 +03:00 committed by David S. Miller
parent 69137ea60c
commit e0e16672ee
8 changed files with 27 additions and 18 deletions
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1
samples/pktgen/README.rst
View File

@ -21,6 +21,7 @@ across the sample scripts. Usage example is printed on errors::
-d : ($DEST_IP) destination IP
-m : ($DST_MAC) destination MAC-addr
-t : ($THREADS) threads to start
-f : ($F_THREAD) index of first thread (zero indexed CPU number)
-c : ($SKB_CLONE) SKB clones send before alloc new SKB
-n : ($COUNT) num messages to send per thread, 0 means indefinitely
-b : ($BURST) HW level bursting of SKBs

20
samples/pktgen/parameters.sh
View File

@ -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"

4
samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
View File

@ -48,7 +48,7 @@ DELAY="0" # Zero means max speed
pg_ctrl "reset"
# Threads are specified with parameter -t value in $THREADS
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# The device name is extended with @name, using thread number to
# make then unique, but any name will do.
dev=${DEV}@${thread}
@ -81,7 +81,7 @@ pg_ctrl "start"
echo "Done" >&2
# Print results
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
echo "Device: $dev"
cat /proc/net/pktgen/$dev | grep -A2 "Result:"

4
samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
View File

@ -31,7 +31,7 @@ DELAY="0" # Zero means max speed
pg_ctrl "reset"
# Threads are specified with parameter -t value in $THREADS
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# The device name is extended with @name, using thread number to
# make then unique, but any name will do.
dev=${DEV}@${thread}
@ -61,7 +61,7 @@ pg_ctrl "start"
echo "Done" >&2
# Print results
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
echo "Device: $dev"
cat /proc/net/pktgen/$dev | grep -A2 "Result:"

4
samples/pktgen/pktgen_sample02_multiqueue.sh
View File

@ -33,7 +33,7 @@ fi
pg_ctrl "reset"
# Threads are specified with parameter -t value in $THREADS
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# The device name is extended with @name, using thread number to
# make then unique, but any name will do.
dev=${DEV}@${thread}
@ -71,7 +71,7 @@ pg_ctrl "start"
echo "Done" >&2
# Print results
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
echo "Device: $dev"
cat /proc/net/pktgen/$dev | grep -A2 "Result:"

4
samples/pktgen/pktgen_sample03_burst_single_flow.sh
View File

@ -40,7 +40,7 @@ DELAY="0" # Zero means max speed
pg_ctrl "reset"
# Threads are specified with parameter -t value in $THREADS
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
# Add remove all other devices and add_device $dev to thread
@ -71,7 +71,7 @@ done
# Run if user hits control-c
function control_c() {
# Print results
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
echo "Device: $dev"
cat /proc/net/pktgen/$dev | grep -A2 "Result:"

4
samples/pktgen/pktgen_sample04_many_flows.sh
View File

@ -36,7 +36,7 @@ fi
pg_ctrl "reset"
# Threads are specified with parameter -t value in $THREADS
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
# Add remove all other devices and add_device $dev to thread
@ -78,7 +78,7 @@ done
# Run if user hits control-c
function print_result() {
# Print results
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
echo "Device: $dev"
cat /proc/net/pktgen/$dev | grep -A2 "Result:"

4
samples/pktgen/pktgen_sample05_flow_per_thread.sh
View File

@ -30,7 +30,7 @@ DELAY="0" # Zero means max speed
pg_ctrl "reset"
# Threads are specified with parameter -t value in $THREADS
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
# Add remove all other devices and add_device $dev to thread
@ -66,7 +66,7 @@ done
# Run if user hits control-c
function print_result() {
# Print results
for ((thread = 0; thread < $THREADS; thread++)); do
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
dev=${DEV}@${thread}
echo "Device: $dev"
cat /proc/net/pktgen/$dev | grep -A2 "Result:"