strace for go
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README.md

gotrace

tracing for go programs

gotrace annotates function calls in go source files with log statements on entry and exit.

usage: gotrace [flags] [path ...]
-exclude string
	exclude any matching functions, takes precedence over filter
-exported
	only annotate exported functions
-filter string
	only annotate functions matching the regular expression (default ".")
-formatLength int
	limit the formatted length of each argument to 'size' (default 1024)
-package
	show package name prefix on function calls
-prefix string
	log prefix
-returns
	show function return
-timing
	print function durations. Implies -returns
-w	re-write files in place

Example

# gotrace operates directly on go source files.
# Insert gotrace logging statements into all *.go files in the current directory
# Make sure all files are saved in version control, as this rewrites them in-place!

$ gotrace -w -returns ./*.go