查看java进程：jps
660
83327 Launcher
85676 ApacheJMeter.jar
83921 Bootstrap
85998 Jps
#### Flame Graph visualization
## Collect CPU profiling with svg format with duration
./profiler.sh -d 30 -f /tmp/flamegraph.svg 83921
## open svg with browser
## Control start/stop yourself
./profiler.sh start -f /tmp/flamegraph.svg 83921
./profiler.sh stop -f /tmp/flamegraph.svg 83921
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