xref: /redis-3.2.3/utils/whatisdoing.sh (revision ad4c0b41) 
1# This script is from http://poormansprofiler.org/
2
3#!/bin/bash
4nsamples=1
5sleeptime=0
6pid=$(pidof redis-server)
7
8for 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 | \
13awk '
14  BEGIN { s = ""; }
15  /Thread/ { print s; s = ""; }
16  /^\#/ { if (s != "" ) { s = s "," $4} else { s = $4 } }
17  END { print s }' | \
18sort | uniq -c | sort -r -n -k 1,1
19