From 05e4d6bf6c446ce9820665a8b1ec6bcc263533b3 Mon Sep 17 00:00:00 2001
From: Yaro Kasear <git@kasear.net>
Date: Thu, 10 Apr 2025 08:47:15 -0500
Subject: [PATCH] Collect and store start and end timestamps.

---
 runtest.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/runtest.sh b/runtest.sh
index 2ded9ec..7370ce5 100755
--- a/runtest.sh
+++ b/runtest.sh
@@ -43,13 +43,15 @@ FAILED_START=$(get_tx_failed)
 
 # Create CSV header if needed
 if [ ! -f "$TEST_FILE" ]; then
-  echo "Link,Level,Noise,BSSID,TX Bitrate,RX Bitrate,$(speedtest --csv-header),TX Failures,Channel,Frequency,Packet Loss,Jitter" > "$TEST_FILE"
+  echo "StartTimestamp,EndTimestamp,Link,Level,Noise,BSSID,TX Bitrate,RX Bitrate,$(speedtest --csv-header),TX Failures,Channel,Frequency,Packet Loss,Jitter" > "$TEST_FILE"
 fi
 
 while [ "$COUNTER" -lt "$NUM_TESTS" ]; do
   COUNTER=$((COUNTER + 1))
   echo "Executing test $COUNTER of $NUM_TESTS..."
 
+  START_TIME=$(date -Iseconds)
+
   for ((i=1; i<=NUM_SAMPLES; i++)); do
     echo "    Gathering sample $i of $NUM_SAMPLES..."
 
@@ -71,8 +73,10 @@ while [ "$COUNTER" -lt "$NUM_TESTS" ]; do
     packet_loss=$(ping -c $PING_COUNT -q $PING_TARGET | grep -oP '\d+(?=% packet loss)')
     jitter=$(ping -c $PING_COUNT $PING_TARGET | grep "time=" | awk '{print $(NF-1)}' | sed 's/time=//g' | awk '{sum+=$1; sumsq+=$1*$1} END {if (NR>1) print sqrt(sumsq/NR - (sum/NR)**2); else print 0}')
 
+    END_TIME=$(date -Iseconds)
+
     # Log everything
-    echo "$link_level_noise,$bssid_and_bitrate,$speed_results,$FAILED_DELTA,$channel,$freq,$packet_loss,$jitter" >> "$TEST_FILE"
+    echo "$START_TIME,$END_TIME,$link_level_noise,$bssid_and_bitrate,$speed_results,$FAILED_DELTA,$channel,$freq,$packet_loss,$jitter" >> "$TEST_FILE"
   done
 
   if [ "$COUNTER" -lt "$NUM_TESTS" ]; then