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#!/usr/bin/env bash
DUMP=$1
echo -e "analyzing $DUMP, generated on: " `head -2 $DUMP | tail -1` "\n"
### SLOGAN ###
grep Slogan: $DUMP -m 1
### MEMORY ###
echo -e "\nMemory:\n==="
M=`grep -m 1 '^processes' $DUMP | sed "s/processes: //"`
let "m=$M/(1024*1024)"
echo " processes: $m Mb"
M=`grep -m 1 '^processes_used' $DUMP | sed "s/processes_used: //"`
let "m=$M/(1024*1024)"
echo " processes_used: $m Mb"
M=`grep -m 1 '^system' $DUMP | sed "s/system: //"`
let "m=$M/(1024*1024)"
echo " system: $m Mb"
M=`grep -m 1 '^atom' $DUMP | sed "s/atom: //"`
let "m=$M/(1024*1024)"
echo " atom: $m Mb"
M=`grep -m 1 '^atom_used' $DUMP | sed "s/atom_used: //"`
let "m=$M/(1024*1024)"
echo " atom_used: $m Mb"
M=`grep -m 1 '^binary' $DUMP | sed "s/binary: //"`
let "m=$M/(1024*1024)"
echo " binary: $m Mb"
M=`grep -m 1 '^code' $DUMP | sed "s/code: //"`
let "m=$M/(1024*1024)"
echo " code: $m Mb"
M=`grep -m 1 '^ets' $DUMP | sed "s/ets: //"`
let "m=$M/(1024*1024)"
echo " ets: $m Mb"
M=`grep -m 1 '^total' $DUMP | sed "s/total: //"`
let "m=$M/(1024*1024)"
echo -e " ---\n total: $m Mb"
### PROCESS MESSAGE QUEUES LENGTHS ###
echo -e "\nDifferent message queue lengths (5 largest different):\n==="
grep 'Message queue len' $DUMP | sed 's/Message queue length: //g' | sort -n -r | uniq -c | head -5
### ERROR LOGGER QUEUE LENGTH ###
echo -e "\nError logger queue length:\n==="
grep -C 10 'Name: error_logger' $DUMP -m 1| grep 'Message queue length' | sed 's/Message queue length: //g'
### PORT/FILE DESCRIPTOR INFO ###
echo -e "\nFile descriptors open:\n==="
echo -e " UDP: " `grep 'Port controls linked-in driver:' $DUMP | grep 'udp_inet' | wc -l`
echo -e " TCP: " `grep 'Port controls linked-in driver:' $DUMP | grep 'tcp_inet' | wc -l`
echo -e " Files: " `grep 'Port controls linked-in driver:' $DUMP | grep -vi 'udp_inet' | grep -vi 'tcp_inet' | wc -l`
echo -e " ---\n Total: " `grep 'Port controls linked-in driver:' $DUMP | wc -l`
### NUMBER OF PROCESSES ###
echo -e "\nNumber of processes:\n==="
grep '=proc:' $DUMP | wc -l
### PROC HEAPS+STACK ###
echo -e "\nProcesses Heap+Stack memory sizes (words) used in the VM (5 largest different):\n==="
grep 'Stack+heap' $DUMP | sed "s/Stack+heap: //g" | sort -n -r | uniq -c | head -5
### PROC OLDHEAP ###
echo -e "\nProcesses OldHeap memory sizes (words) used in the VM (5 largest different):\n==="
grep 'OldHeap' $DUMP | sed "s/OldHeap: //g" | sort -n -r | uniq -c | head -5
### PROC STATES ###
echo -e "\nProcess States when crashing (sum): \n==="
grep 'State: ' $DUMP | sed "s/State: //g" | sort | uniq -c
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