examples README

examples/README.md

@@ -0,0 +1,20 @@
+# example
+
+To run example, you need to install dstat-graph in `$GOPATH`
+
+```
+go get github.com/octu0/dstat-graph
+```
+
+Next, generate a graph using csv in the example directory
+
+```
+$ cd examples
+$ go run $GOPATH/src/github.com/octu0/dstat-graph/cmd/main.go --csv ./dstat.csv -o cpu.png -f usr,sys,idl,wai
+```
+
+You can check the generated image using the viewer app.
+
+![cpu](https://github.com/octu0/dstat-graph/blob/master/examples/cpu.png?raw=true)  
+
+useful as [dstat2graph.sh](https://github.com/octu0/dstat-graph/blob/master/examples/dstat2graph.sh)