Print a CSV formatted graph of nvidia perf stats just after the GPU was put under load ( nvidia pwr bug, https://i.imgur.com/I6QHcyp.png )

nvidia_linux_powersave_onset_benchmark.sh

#!/bin/bash

BENCH=glxspheres64
SPIN_TIME=10
OUT_CSV=$(mktemp)

export __GL_SYNC_TO_VBLANK=0
${BENCH} &> /dev/null &
PID=$!
sleep $SPIN_TIME

kill $(jobs -rp)
wait $(jobs -rp) 2>/dev/null


echo "SECONDS,CORE_FREQ,MEM_FREQ,PERF_STATE,POWER_USED,POWER_LIMIT,MEMORY_USED, MEMORY" | tee ${OUT_CSV}
for t in $(seq 0 50)
do
        CORE_MEM_FQS=$(nvidia-settings -t  -q GPUCurrentClockFreqs 2>/dev/null | head -n 1)
        PERF_PU_PL_MU_MM=$(nvidia-smi |
                grep -o 'P.*W.*W.*MiB' | 
                grep -o '[0-9,\w]*' |
                tr '\n' ',')

        echo "${t},${CORE_MEM_FQS},${PERF_PU_PL_MU_MM::-1}" | tee -a ${OUT_CSV}
        sleep 1
done