mariadb/poor-mans-profiler/pmprof

#!/bin/bash

nsamples=30
sleeptime=1

# change the process name
pid=$(pidof loader-stress-test.tdb)

# may need the cilk gdb

for x in $(seq 1 $nsamples)
  do
    gdb -ex "set pagination 0" -ex "thread apply all bt" -batch -p $pid
    sleep $sleeptime
  done | \
awk '
  BEGIN { s = ""; } 
  /^Thread/ { if (s != "") print s; s = ""; } 
  /^\#/ { if (s != "" ) { s = s "," $4} else { s = $4 } } 
  END { print s }' | \
sort | uniq -c | sort -r -n -k 1,1