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Add vcgencmd get_throttled support. #3

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Add vcgencmd get_throttled support. #3

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3c04324
Add vcgencmd get_throttled support.
ww898 Mar 4, 2020
364cef5
Fix for kernel 5.3.0-1023-raspi2.
ww898 May 11, 2020
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40 changes: 34 additions & 6 deletions raspberrypi_exporter
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,14 @@ for SENSOR in $(ls /sys/class/thermal/); do
unset CPU_TEMP_CELSIUS
unset CPU_TYPE

CPU_TEMP_CELSIUS="$(awk '{printf "%.3f", $1/1000}' /sys/class/thermal/${SENSOR}/temp)" || true
CPU_TEMP_CELSIUS="${CPU_TEMP_CELSIUS:=0}"
CPU_TYPE="$(cat /sys/class/thermal/${SENSOR}/type)"
CPU_TYPE="${CPU_TYPE:=N/A}"

echo "${PREFIX}temperature{sensor=\"${SENSOR}\",type=\"${CPU_TYPE}\"} ${CPU_TEMP_CELSIUS}" >> "${TMP_FILE}"
if [ -f "/sys/class/thermal/${SENSOR}/temp" ]; then
CPU_TEMP_CELSIUS="$(awk '{printf "%.3f", $1/1000}' /sys/class/thermal/${SENSOR}/temp)" || true
CPU_TEMP_CELSIUS="${CPU_TEMP_CELSIUS:=0}"
CPU_TYPE="$(cat /sys/class/thermal/${SENSOR}/type)"
CPU_TYPE="${CPU_TYPE:=N/A}"

echo "${PREFIX}temperature{sensor=\"${SENSOR}\",type=\"${CPU_TYPE}\"} ${CPU_TEMP_CELSIUS}" >> "${TMP_FILE}"
fi
done

# get component frequencies
Expand Down Expand Up @@ -73,6 +75,32 @@ for MEM_COMPONENT in "${MEM_COMPONENTS[@]}"; do
echo "${PREFIX}memory{component=\"${MEM_COMPONENT}\"} ${MEM}" >> "${TMP_FILE}"
done

# get throttled flags
{
echo "# HELP ${PREFIX}throttled Throttled state of the system.";
echo "# TYPE ${PREFIX}throttled gauge";
} >> "${TMP_FILE}"
THROTTLED="$($VCGEN get_throttled | cut -d '=' -f 2 | sed 's/M$//')" || true
THROTTLED=${THROTTLED:=0x0}
declare -a THROTTLED_COMPONENTS=(
"0:under_voltage_detected"
"1:arm_freq_capped"
"2:currently_throttled"
"3:soft_temp_limit_active"
"16:under_voltage_occured"
"17:arm_freq_capping_occured"
"18:throttling_occured"
"19:soft_temp_limit_occured"
)
for THROTTLED_COMPONENT in "${THROTTLED_COMPONENTS[@]}"; do
unset BIT

BIT=$(perl -e "printf(($THROTTLED>>${THROTTLED_COMPONENT/%:*/})&1)")

echo "${PREFIX}throttled{bit=\"${THROTTLED_COMPONENT/%:*/}\",name=\"${THROTTLED_COMPONENT/#*:}\"} ${BIT}" >> "${TMP_FILE}"
done
unset THROTTLED

# write metrics file
mv "${TMP_FILE}" "${METRICS_FILE}"

Expand Down
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