func Test100Random(t *testing.T) {
p := dnpa.NewPercentile(0.95, 100)
n, err := readTestFile("test/100-rand-0-to-100", p)
expect := 90.491419
if err != nil {
t.Fatal(err)
}
if n != expect {
t.Errorf("Expected %f, got %f", expect, n)
}
}
func main() {
if len(os.Args) != 2 {
fmt.Printf("Usage: %s FILE\n", os.Args[0])
os.Exit(1)
}
file, err := os.Open(os.Args[1])
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer file.Close()
r := bufio.NewReader(file)
p := dnpa.NewPercentile(0.95, 100)
for {
line, _, err := r.ReadLine()
if err != nil {
break
}
f, err := strconv.ParseFloat(string(line), 64)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
p.Value(f)
}
pid := fmt.Sprintf("%d", os.Getpid())
out, err := exec.Command("ps", "-o", "rss", "-p", pid).Output()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
pat := regexp.MustCompile(`\d+`)
rss := pat.Find(out)
fmt.Printf("%.3f %s\n", p.Nth(), string(rss))
}
