parent
2493a2391b
commit
eb455d6e43
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@ -17,7 +17,7 @@ import (
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)
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func bench(cephconn *cephconnection, osddevice Device, buff *[]byte, startbuff *[]byte, params *params,
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wg *sync.WaitGroup, result chan string) {
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wg *sync.WaitGroup, result chan string, totalLats chan avgLatencies) {
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defer wg.Done()
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threadresult := make(chan []time.Duration, params.threadsCount)
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var objectnames []string
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@ -121,11 +121,13 @@ func bench(cephconn *cephconnection, osddevice Device, buff *[]byte, startbuff *
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}
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buffer.WriteString("\n\n")
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totalLats <- avgLatencies{latencytotal: latencytotal, len: int64(len(osdlatencies))}
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latencytotal = latencytotal / int64(len(osdlatencies))
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// iops = 1s / latency
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iops := 1000000 / latencytotal * int64(params.threadsCount)
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// avg speed = iops * block size / 1 MB
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avgspeed := 1000000 / float64(latencytotal) * float64(params.blocksize) / 1024 / 1024 * float64(params.threadsCount)
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avgspeed := float64(iops) * float64(params.blocksize) / 1024 / 1024
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avgline := fmt.Sprintf("Avg iops: %-5v Avg speed: %.3f MB/s Total writes count: %-5v Total writes (MB): %-5v\n\n",
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iops, avgspeed, len(osdlatencies), uint64(len(osdlatencies))*params.blocksize/1024/1024)
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switch {
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@ -235,12 +237,16 @@ func main() {
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var wg sync.WaitGroup
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results := make(chan string, len(osddevices)*int(params.threadsCount))
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totalLats := make(chan avgLatencies, len(osddevices))
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avgLats := []avgLatencies{}
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log.Println("Benchmark started")
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for _, osd := range osddevices {
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wg.Add(1)
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if params.parallel == true {
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go bench(cephconn, osd, &buff, &startbuff, ¶ms, &wg, results)
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go bench(cephconn, osd, &buff, &startbuff, ¶ms, &wg, results, totalLats)
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} else {
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bench(cephconn, osd, &buff, &startbuff, ¶ms, &wg, results)
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bench(cephconn, osd, &buff, &startbuff, ¶ms, &wg, results, totalLats)
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avgLats = append(avgLats, <-totalLats)
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log.Println(<-results)
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}
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@ -250,12 +256,38 @@ func main() {
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go func() {
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wg.Wait()
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close(results)
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close(totalLats)
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}()
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for message := range results {
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log.Println(message)
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}
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for lat := range totalLats {
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avgLats = append(avgLats, lat)
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}
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}
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sumLat := int64(0)
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countLat := int64(0)
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for _, avgLat := range avgLats {
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sumLat += avgLat.latencytotal
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countLat += avgLat.len
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}
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//count avg statistics
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sumLat = sumLat / int64(countLat)
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avgIops := 1000000 / sumLat * int64(params.threadsCount)
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sumIops := 1000000 / sumLat * int64(params.threadsCount) * int64(len(osddevices))
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avgSpeed := float64(avgIops) * float64(params.blocksize) / 1024 / 1024
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sumSpeed := float64(sumIops) * float64(params.blocksize) / 1024 / 1024
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color.Set(color.FgHiYellow)
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defer color.Unset()
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fmt.Printf("Summary avg iops per osd:%5d Summary avg speed per osd: %.3f MB/s\n"+
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"Total writes count:%11d Total writes (MB): %v\n",
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avgIops, avgSpeed, countLat, uint64(countLat)*params.blocksize/1024/1024)
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if params.parallel {
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fmt.Printf("Summary avg iops:%13d Summary avg speed: %.3f MB/s\n", sumIops, sumSpeed)
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}
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}
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