6a406cad69
processes added to clean up after we finish running. Made all tasks run on bridged network mode so that benchmarks that heavily utilize network are protected from eachother. I.e: Tradebeans, tradesoap
93 lines
1.8 KiB
Go
93 lines
1.8 KiB
Go
package pcp
|
|
|
|
import (
|
|
"bufio"
|
|
"log"
|
|
"os/exec"
|
|
"time"
|
|
"os"
|
|
"syscall"
|
|
)
|
|
|
|
func Start(quit chan struct{}, logging *bool, prefix string) {
|
|
const pcpCommand string = "pmdumptext -m -l -f '' -t 1.0 -d , -c config"
|
|
cmd := exec.Command("sh", "-c", pcpCommand)
|
|
cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
|
|
startTime := time.Now().Format("20060102150405")
|
|
|
|
|
|
logFile, err := os.Create("./"+prefix+startTime+".pcplog")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
defer logFile.Close()
|
|
|
|
pipe, err := cmd.StdoutPipe()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
//cmd.Stdout = stdout
|
|
|
|
scanner := bufio.NewScanner(pipe)
|
|
|
|
go func(logging *bool) {
|
|
// Get names of the columns
|
|
scanner.Scan()
|
|
|
|
// Write to logfile
|
|
logFile.WriteString(scanner.Text() + "\n")
|
|
|
|
/*
|
|
headers := strings.Split(scanner.Text(), ",")
|
|
|
|
for _, hostMetric := range headers {
|
|
split := strings.Split(hostMetric, ":")
|
|
fmt.Printf("Host %s: Metric: %s\n", split[0], split[1])
|
|
}
|
|
*/
|
|
|
|
// Throw away first set of results
|
|
scanner.Scan()
|
|
|
|
seconds := 0
|
|
for scanner.Scan() {
|
|
|
|
|
|
if(*logging) {
|
|
log.Println("Logging PCP...")
|
|
logFile.WriteString(scanner.Text() + "\n")
|
|
}
|
|
|
|
/*
|
|
fmt.Printf("Second: %d\n", seconds)
|
|
for i, val := range strings.Split(scanner.Text(), ",") {
|
|
fmt.Printf("host metric: %s val: %s\n", headers[i], val)
|
|
}*/
|
|
|
|
seconds++
|
|
|
|
// fmt.Println("--------------------------------")
|
|
}
|
|
}(logging)
|
|
|
|
log.Println("PCP logging started")
|
|
|
|
|
|
if err := cmd.Start(); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
pgid, err := syscall.Getpgid(cmd.Process.Pid)
|
|
|
|
select{
|
|
case <- quit:
|
|
log.Println("Stopping PCP logging in 5 seconds")
|
|
time.Sleep(5 * time.Second)
|
|
|
|
// http://stackoverflow.com/questions/22470193/why-wont-go-kill-a-child-process-correctly
|
|
// kill process and all children processes
|
|
syscall.Kill(-pgid, 15)
|
|
return
|
|
}
|
|
}
|