火焰图定位dbproxy问题

https://blog.csdn.net/oujiangping/article/details/78580450

https://blog.csdn.net/gatieme/article/details/78885908

ps aux|grep mysql-proxy

第二个就是3318的进程号

perf record -p   -F  -a -g -- sleep 

perf script > out.perf

./stackcollapse-perf.pl out.perf > out.folded

./flamegraph.pl out.folded > test.svg

sysbench  --test=/usr/share/sysbench/tests/include/oltp_legacy/oltp.lua  --mysql-host=10.17.90.37 --mysql-port= --mysql-user=test --mysql-password=  --mysql-db=test --oltp-table-size= --oltp-tables-count= --threads= --oltp-read-only=on --report-interval= --rand-type=uniform  --max-requests= --percentile= --oltp-skip-trx=on --time=    --db-driver=mysql run