➜ ~ go tool pprof http://localhost:41203/debug/pprof/profile\?seconds\=30
Fetching profile over HTTP from http://localhost:41203/debug/pprof/profile?seconds=30
Saved profile in /Users/bytedance/pprof/pprof.kubevpn.samples.cpu.005.pb.gz
File: kubevpn
Type: cpu
Time: Mar 31, 2024 at 9:42am (CST)
Duration: 39.44s, Total samples = 62.90s (159.48%)
Entering interactive mode (type "help" for commands, "o" for options)
(pprof) top
Showing nodes accounting for 59.22s, 94.15% of 62.90s total
Dropped 38 nodes (cum <= 0.31s)
Showing top 10 nodes out of 39
flat flat% sum% cum cum%
40.10s 63.75% 63.75% 50.52s 80.32% runtime.siftdownTimer
7.56s 12.02% 75.77% 8.11s 12.89% runtime.findObject
4.69s 7.46% 83.23% 4.70s 7.47% runtime.chansend
2.20s 3.50% 86.72% 9.65s 15.34% runtime.wbBufFlush1
1.59s 2.53% 89.25% 1.59s 2.53% time.Now
0.91s 1.45% 90.70% 0.91s 1.45% runtime.heapBitsForAddr
0.72s 1.14% 91.84% 10.37s 16.49% runtime.gcWriteBarrier
0.53s 0.84% 92.69% 1.01s 1.61% runtime.greyobject
0.47s 0.75% 93.43% 0.47s 0.75% runtime/internal/atomic.(*Uint32).CompareAndSwap
0.45s 0.72% 94.15% 3.87s 6.15% runtime.scanobject
(pprof) exit