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#!/usr/bin/env bash
set -euo pipefail
parse_size() {
local input="$1"
local number suffix
if [[ "$input" =~ ^([0-9]+)([KkMmGg]?)$ ]]; then
number="${BASH_REMATCH[1]}"
suffix="${BASH_REMATCH[2]}"
case "$suffix" in
K|k) echo $((number * 1024)) ;;
M|m) echo $((number * 1024 * 1024)) ;;
G|g) echo $((number * 1024 * 1024 * 1024)) ;;
"") echo "$number" ;;
*) return 1 ;;
esac
else
echo "Invalid size: $input" >&2
return 1
fi
}
cleanup() {
rm -f buffer.json descriptor.bin host_recv.stdin
}
trap cleanup EXIT INT TERM
if [[ $# -lt 4 || $# -gt 5 ]]; then
echo "Usage: $0 <tag> <runs> <bytes|size> <remote-input-file> [remote-log-prefix-base]"
echo "Example: $0 VANILLA 10 256M bins/256M.bin"
exit 1
fi
TAG="$1"
RUNS="$2"
DEBUG_BYTES="$(parse_size "$3")"
REMOTE_INPUT="$4"
REMOTE_PREFIX_BASE="${TAG}_$3"
SSH_KEY="$HOME/.ssh/id_ed25519"
REMOTE_HOST="ubuntu@143.248.53.46"
REMOTE_DIR="/home/ubuntu/siho-benchmark/dma"
DEBUG_OUT="./test.bin"
# Host-side PCI BDF toward DPU.
PCI_TO_DPU="0000:5e:00.0"
# DPU-side PCI BDF.
DPU_PCI="03:00.0"
# DPU-side wrapper script.
DPU_SCRIPT="./run.sh"
TIMES_CSV="times_${TAG}.csv"
BW_CSV="bw_${TAG}.csv"
SSH_OPTS=(
-i "$SSH_KEY"
-n
-o BatchMode=yes
-o StrictHostKeyChecking=accept-new
)
SCP_OPTS=(
-i "$SSH_KEY"
-o BatchMode=yes
-o StrictHostKeyChecking=accept-new
)
echo "====="
echo "SIHO'S DMA BENCHMARKING"
echo "SSH KEY LOCATION: $SSH_KEY"
echo "REMOTE HOST: $REMOTE_HOST"
echo "REMOTE DIR: $REMOTE_DIR"
echo "TAG: $TAG"
echo "HOST PCIE ADDRESS TO DPU: $PCI_TO_DPU"
echo "DPU PCIE ADDRESS: $DPU_PCI"
echo "RUNS: $RUNS"
echo "BYTES: $DEBUG_BYTES"
echo "REMOTE INPUT: $REMOTE_INPUT"
echo "====="
echo "PROCEED (y/N)?"
read -r proceed
if [[ "${proceed:-}" != "y" ]]; then
echo "TERMINATING..."
exit 0
fi
sudo -v
for i in $(seq 1 "$RUNS"); do
echo "===== RUN $i/$RUNS ====="
rm -f descriptor.bin buffer.json host_recv.stdin "$DEBUG_OUT"
mkfifo host_recv.stdin
# Open FIFO read-write so the receiver does not get accidental EOF.
exec 3<>host_recv.stdin
sudo -n ./doca_dma_host_recv \
-p "$PCI_TO_DPU" \
-o "$DEBUG_OUT" \
-s "$DEBUG_BYTES" \
< host_recv.stdin &
host_pid=$!
ok=0
for _ in $(seq 1 100); do
if [[ -s descriptor.bin && -s buffer.json ]]; then
ok=1
break
fi
sleep 0.1
done
if [[ "$ok" != "1" ]]; then
echo "ERROR: descriptor.bin or buffer.json was not generated within timeout"
echo "host_pid=$host_pid"
if kill -0 "$host_pid" 2>/dev/null; then
echo "host receiver still appears to be running"
else
echo "host receiver process is not visible anymore"
fi
kill "$host_pid" 2>/dev/null || true
exec 3>&- 2>/dev/null || true
rm -f host_recv.stdin
exit 1
fi
echo "[host] Copying descriptor.bin and buffer.json to DPU..."
if ! scp "${SCP_OPTS[@]}" descriptor.bin buffer.json "$REMOTE_HOST:$REMOTE_DIR/"; then
echo "ERROR: scp failed"
kill "$host_pid" 2>/dev/null || true
exec 3>&-
exit 1
fi
echo "[dpu] Running DMA sender through wrapper..."
if ! dpu_out="$(
ssh "${SSH_OPTS[@]}" "$REMOTE_HOST" \
"cd '$REMOTE_DIR' && sudo -n '$DPU_SCRIPT' '$REMOTE_PREFIX_BASE' '$DPU_PCI' '$REMOTE_INPUT'" \
2>&1
)"; then
echo "ERROR: DPU sender failed"
echo "$dpu_out"
kill "$host_pid" 2>/dev/null || true
exec 3>&-
exit 1
fi
bytes="$(awk '/bytes:/ {print $2}' <<< "$dpu_out" | tail -n1)"
time_val="$(awk '/time:/ {print $2}' <<< "$dpu_out" | tail -n1)"
time_unit="$(awk '/time:/ {print $3}' <<< "$dpu_out" | tail -n1)"
bw_val="$(awk '/BW:/ {print $2}' <<< "$dpu_out" | tail -n1)"
bw_unit="$(awk '/BW:/ {print $3}' <<< "$dpu_out" | tail -n1)"
if [[ -z "${bytes:-}" || -z "${time_val:-}" || -z "${bw_val:-}" ]]; then
echo "ERROR: failed to parse DPU output"
echo "$dpu_out"
kill "$host_pid" 2>/dev/null || true
exec 3>&-
exit 1
fi
# Convert time to usec.
case "$time_unit" in
usec) time_usec="$time_val" ;;
msec) time_usec="$(awk -v x="$time_val" 'BEGIN { printf "%.6f", x * 1000.0 }')" ;;
sec) time_usec="$(awk -v x="$time_val" 'BEGIN { printf "%.6f", x * 1000000.0 }')" ;;
nsec) time_usec="$(awk -v x="$time_val" 'BEGIN { printf "%.6f", x / 1000.0 }')" ;;
*) time_usec="$time_val" ;;
esac
# Convert bandwidth to KiB/s.
case "$bw_unit" in
KiB/s|KiBps) bw_kibps="$bw_val" ;;
MiB/s|MiBps) bw_kibps="$(awk -v x="$bw_val" 'BEGIN { printf "%.6f", x * 1024.0 }')" ;;
GiB/s|GiBps) bw_kibps="$(awk -v x="$bw_val" 'BEGIN { printf "%.6f", x * 1024.0 * 1024.0 }')" ;;
B/s|Bps) bw_kibps="$(awk -v x="$bw_val" 'BEGIN { printf "%.6f", x / 1024.0 }')" ;;
*) bw_kibps="$bw_val" ;;
esac
if [ ! -f "$TIMES_CSV" ]; then
echo "bytes,time_usec" > "$TIMES_CSV"
fi
if [ ! -f "$BW_CSV" ]; then
echo "bytes,bw_KiBps" > "$BW_CSV"
fi
echo "$bytes,$time_usec" >> "$TIMES_CSV"
echo "$bytes,$bw_kibps" >> "$BW_CSV"
echo "[host] Releasing host receiver..."
printf '\n' >&3
exec 3>&-
if ! wait "$host_pid"; then
echo "ERROR: host receiver failed"
exit 1
fi
rm -f host_recv.stdin
echo "[result] bytes=$bytes time_usec=$time_usec bw_KiBps=$bw_kibps"
echo "===== RUN $i/$RUNS DONE ====="
done
echo "Wrote: $TIMES_CSV"
echo "Wrote: $BW_CSV"
|
