Note: This repository should be imported as code.cloudfoundry.org/debugserver.
A helper function for running a pre-configured pprof server in go.
Please report all issues and feature requests in cloudfoundry/diego-release.
/log-level
Sets the log level of the sink passed to the Runner method. This endpoint
expects the request method to be POST or PUT and uses the body of the request as the
new log level. For example, curl -X POST --data 'debug' http://host:port/log-level
will set the log level to debug.
/debug/pprof/cmdline
Responds with the running program's command line, with arguments separated by NUL bytes.
/debug/pprof/profile
Responds with the pprof-formatted CPU profile.
/debug/pprof/heap
Responds with the pprof-formatted heap profile.
/debug/pprof/block
Responds with the pprof-formatted goroutine blocking profile.
/debug/pprof/trace?seconds=n
Responds with the pprof-formatted execution trace for n seconds.
/debug/pprof/symbol
Looks up the program counters listed in the request, responding with a table mapping program counters to function names.
/block-profile-rate
Controls the fraction of goroutine blocking events that are reported in the blocking profile. The profiler aims to sample an average of one blocking event per rate nanoseconds spent blocked. To include every blocking event in the profile, pass rate = 1. To turn off profiling entirely, pass rate <= 0.
/debug/pprof/goroutine?debug=2
Responds with the full goroutine stack dump.
/debug/pprof/<tracename>
Responds with the trace specified by tracename. See: https://golang.org/pkg/net/http/pprof/#Index
Assuming port forwarding is enabled on the local machine from port 17017 to the debug server, a program profile can be obtained by running the following command:
go tool pprof -seconds=5 http://localhost:17017/debug/pprof/profile
Please see Profiling Go Programs for further information on how to use the go pprof tool.
debugserver is licensed under Apache 2.0.
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