utils/whatisdoing.sh

   1 # This script is from http://poormansprofiler.org/
   2
   3 #!/bin/bash
   4 nsamples=1
   5 sleeptime=0
   6 pid=$(pidof redis-server)
   7
   8 for x in $(seq 1 $nsamples)
   9   do
  10     gdb -ex "set pagination 0" -ex "thread apply all bt" -batch -p $pid
  11     sleep $sleeptime
  12   done | \
  13 awk '
  14   BEGIN { s = ""; }
  15   /Thread/ { print s; s = ""; }
  16   /^\#/ { if (s != "" ) { s = s "," $4} else { s = $4 } }
  17   END { print s }' | \
  18 sort | uniq -c | sort -r -n -k 1,1