Closed brandond closed 2 months ago
Infrastructure Cloud EC2 instance
Node(s) CPU architecture, OS, and Version:
> cat /etc/os-release
NAME="SLES"
VERSION="15-SP5"
VERSION_ID="15.5"
PRETTY_NAME="SUSE Linux Enterprise Server 15 SP5"
Cluster Configuration: Single node
kubectl proxy
go tool pprof --seconds=70 -top http://localhost:8001/debug/pprof/profile
Replication results:
ec2-user@ip-172-31-6-0:~> k3s -v
k3s version v1.30.3+k3s1 (f6466040)
go version go1.22.5
ec2-user@ip-172-31-6-0:~> /usr/local/go/bin/go tool pprof --seconds=70 -top http://localhost:8001/debug/pprof/profile
Fetching profile over HTTP from http://localhost:8001/debug/pprof/profile?seconds=70
Please wait... (1m10s)
http://localhost:8001/debug/pprof/profile: server response: 404 Not Found
failed to fetch any source profiles
ec2-user@ip-172-31-6-0:~>
Validation results:
> k3s -v
k3s version v1.30.3+k3s-a125b7f6 (a125b7f6)
go version go1.22.5
> /usr/local/go/bin/go tool pprof --seconds=70 -top http://localhost:8001/debug/pprof/profile
Fetching profile over HTTP from http://localhost:8001/debug/pprof/profile?seconds=70
Please wait... (1m10s)
Saved profile in /home/ec2-user/pprof/pprof.k3s.samples.cpu.001.pb.gz
File: k3s
Build ID: dfd0dab14a5377388dc9c2571cb2fe1d8851ca18
Type: cpu
Time: Aug 13, 2024 at 5:34pm (UTC)
Duration: 70s, Total samples = 1.65s ( 2.36%)
Showing nodes accounting for 1.65s, 100% of 1.65s total
flat flat% sum% cum cum%
0.34s 20.61% 20.61% 0.34s 20.61% runtime/internal/syscall.Syscall6
0.25s 15.15% 35.76% 0.25s 15.15% runtime.futex
0.08s 4.85% 40.61% 0.08s 4.85% runtime.cgocall
0.08s 4.85% 45.45% 0.08s 4.85% runtime.write1
0.06s 3.64% 49.09% 0.10s 6.06% runtime.mallocgc
0.06s 3.64% 52.73% 0.06s 3.64% runtime.siftdownTimer
Backport fix for pprof statistics cannot be access when running server with
--disable-agent
10582