#!/bin/bash

# Calculate seconds until the next 55-second mark
current_sec=$(date +%-S)
if [ $current_sec -lt 55 ]; then
    sleep_seconds=$((55 - current_sec))
else
    sleep_seconds=$((60 - current_sec + 55))
fi

echo "Waiting $sleep_seconds seconds for the top of the minute ingest window..."
sleep $sleep_seconds

echo "Capturing 25-second snapshot across the minute boundary (XX:55 to XX:20) with PER-THREAD metrics..."
echo "Starting at: $(date -u +%H:%M:%S)"

# Run the host's requested diagnostic command (UPDATED: per-thread CPU)
for i in {1..25}; do
    date -u +%H:%M:%S
    # Added -L to show threads, and tid/psr columns as requested
    ps -eLo pid,tid,psr,cmd,%cpu --sort=-%cpu | head -n 20
    echo "----"
    sleep 1
done > spike_log.txt

echo "Capture complete. Results saved to spike_log.txt"