trace

README

Tracing

The tracing can help identify not only what is happening but also what is not happening when your program is running. We will use a simple program to learn how to navigate and read some of the tracing information you can find in the trace tool.

Basic Skills

Review this post to gain basic skills.

go tool trace - Will Sewell

Trace Command

Run the program to download a file. Use the LoadWrite() function first and then try the StreamWrite function.

Build and run the program.

$ go build
$ ./trace

Run run the trace tool and inspect the trace.

$ go tool trace trace.out

Generate a CPU profile.

$ go tool trace -pprof=[net,syscall,sync,sched] trace.out > cpu.out

View the profile.

$ go tool pprof ./trace cpu.out  

Code Review

Profiling Test (Go Playground)

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All material is licensed under the Apache License Version 2.0, January 2004.

Documentation

Overview

Sample program that performs a series of I/O related tasks to better understand tracing in Go.