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LISA17 Container Performance Analysis
by Brendan Gregg
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![Stack Traces
• A code path snapshot. e.g., from jstack(1):
$ jstack 1819
[…]
"main" prio=10 tid=0x00007ff304009000 nid=...](https://image.slidesharecdn.com/usenixatc2017flamegraphs-170713224624/75/USENIX-ATC-2017-Visualizing-Performance-with-Flame-Graphs-9-2048.jpg?cb=1665847555)
![perf Profiling
# perf record -F 99 -ag -- sleep 30
[ perf record: Woken up 9 times to write data ]
[ perf record: Captured...](https://image.slidesharecdn.com/usenixatc2017flamegraphs-170713224624/75/USENIX-ATC-2017-Visualizing-Performance-with-Flame-Graphs-12-2048.jpg?cb=1665847555)
![Fixing Java Stack Traces
# perf script
[…]
java 8131 cpu-clock:
7fff76f2dce1 [unknown] ([vdso])
7fd3173f7a93 os::javaTime...](https://image.slidesharecdn.com/usenixatc2017flamegraphs-170713224624/75/USENIX-ATC-2017-Visualizing-Performance-with-Flame-Graphs-29-2048.jpg?cb=1665847555)
