msdumper just periodically dumps runtime.MemStats
to a file.
go get github.com/rubyist/msdumper
import "github.com/rubyist/msdumper"
if err := msdumper.Start("memstats.dat", time.Second); err != nil {
log.Fatal(err)
}
// Some time later, if you like ...
msdumper.Stop()
msgraph will use gnuplot to generate a graph from the data file.
go install github.com/rubyist/msdumper/msgraph
$ msgraph memstats.dat
This will output graph.png
by default.
You can specify an output file and graph title:
$ msgraph -h
Usage of msgraph:
-o="graph.png": output file
-t="MemStats": graph titlep