File erl_crashdump_analyzer.sh of Package recon

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File erl_crashdump_analyzer.sh of Package recon

#!/bin/sh

DUMP=$1

echo -n "analyzing $DUMP, generated on: "
sed -n '2p' $DUMP
echo

### SLOGAN ###
grep -m 1 '^Slogan:' $DUMP

### MEMORY ###
echo
echo "Memory:"
echo "==="
sed -n '/^=memory$/,/^=/p' $DUMP | grep -Ev '^(=|total:)' |
while read k v; do
	echo "  $k $(($v / (1024 * 1024))) Mb"
done
echo "  ---"
echo "  total: $(($(sed -n '/^=memory$/,/^=/s/^total: //p' $DUMP) / (1024 * 1024))) Mb"

### PROCESS MESSAGE QUEUES LENGTHS ###
echo
echo "Different message queue lengths (5 largest different):"
echo "==="
sed -n 's/^Message queue length: //p' $DUMP | sort -nr | uniq -c | head -5

### ERROR LOGGER QUEUE LENGTH ###
echo
echo "Error logger queue length:"
echo "==="
sed -n '/^Name: error_logger$/,/^=/s/^Message queue length: //p' $DUMP

### PORT/FILE DESCRIPTOR INFO ###
echo
echo "File descriptors open:"
echo "==="
echo -n "  UDP: "
grep -c '^Port controls linked-in driver: udp_inet' $DUMP
echo -n "  TCP: "
grep -c '^Port controls linked-in driver: tcp_inet' $DUMP
echo -n "  Files: "
grep '^Port controls linked-in driver:' $DUMP | grep -Evc '(udp|tcp)_inet'
echo "  ---"
echo -n "  Total: "
grep -c '^Port controls linked-in driver:' $DUMP

### NUMBER OF PROCESSES ###
echo
echo "Number of processes:"
echo "==="
grep -c '=proc:' $DUMP

### PROC HEAPS+STACK ###
echo
echo "Processes Heap+Stack memory sizes (words) used in the VM (5 largest different):"
echo "==="
sed -n 's/Stack+heap: //p' $DUMP | sort -nr | uniq -c | head -5

### PROC OLDHEAP ###
echo
echo "Processes OldHeap memory sizes (words) used in the VM (5 largest different):"
echo "==="
sed -n 's/^OldHeap: //p' $DUMP | sort -nr | uniq -c | head -5

### PROC STATES ###
echo "Process States when crashing (sum):"
echo "==="
sed -n 's/State: //p' $DUMP | sort | uniq -c

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File erl_crashdump_analyzer.sh of Package recon

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