＆＃39; cf app＆＃39;显示总是0.0％cpu - 该值是如何测量的？
我的应用上没有看到大于0.0% cpu的值。用Google搜索cf apps的输出，但从未找到除0.0%以外的其他内容。
这是来自VM，容器还是虚拟机管理程序的0.0%？这个值是如何计算的？这个值是由健康经理收集的吗？我可以相信这个价值吗？
Cloud Foundry在OpenStack集群上运行。
state since cpu memory disk de
#0 running 2015-08-28 10:36:33 AM 0.0% 280.8M of 1G 73.7M of 4G
#1 running 2015-08-28 10:36:10 AM 0.0% 289.9M of 1G 73.7M of 4G
#2 running 2015-09-01 09:00:17 PM 0.0% 277.3M of 1G 73.7M of 4G
#3 running 2015-08-31 11:04:17 PM 0.0% 250.4M of 1G 73.7M of 4G
#4 running 2015-09-02 06:03:21 PM 0.0% 51M of 1G 73.7M of 4G
#5 running 2015-08-28 10:36:12 AM 0.0% 348.4M of 1G 73.7M of 4G
#6 running 2015-08-28 10:36:12 AM 0.0% 301.4M of 1G 73.7M of 4G
#7 running 2015-08-31 10:01:45 PM 0.0% 201.2M of 1G 73.7M of 4G
#8 running 2015-09-02 06:03:26 PM 0.0% 50.8M of 1G 73.7M of 4G
#9 running 2015-09-02 06:03:25 PM 0.0% 51.2M of 1G 73.7M of 4G
#10 running 2015-08-28 10:36:07 AM 0.0% 334.1M of 1G 73.7M of 4G
#11 running 2015-09-02 06:02:54 PM 0.0% 51.3M of 1G 73.7M of 4G
#12 running 2015-09-02 06:02:55 PM 0.0% 53.6M of 1G 73.7M of 4G
#13 running 2015-08-28 10:36:08 AM 0.0% 314M of 1G 73.7M of 4G
#14 running 2015-08-28 10:36:45 AM 0.0% 345.9M of 1G 73.7M of 4G
#15 running 2015-08-28 10:36:10 AM 0.0% 412.6M of 1G 73.7M of 4G
#16 running 2015-08-28 10:36:04 AM 0.0% 286.3M of 1G 73.7M of 4G
#17 running 2015-08-28 10:36:11 AM 0.0% 294.5M of 1G 73.7M of 4G
#18 running 2015-08-28 10:36:06 AM 0.0% 304.4M of 1G 73.7M of 4G
#19 running 2015-09-02 06:02:49 PM 0.0% 51.1M of 1G 73.7M of 4G
#20 running 2015-09-01 09:03:20 PM 0.0% 173.8M of 1G 73.7M of 4G
#21 running 2015-08-28 10:36:07 AM 0.0% 292.3M of 1G 73.7M of 4G
#22 running 2015-08-28 10:36:05 AM 0.0% 289.1M of 1G 73.7M of 4G
#23 running 2015-09-01 09:02:07 PM 0.0% 213.8M of 1G 73.7M of 4G
#24 running 2015-09-02 06:03:21 PM 0.0% 51.1M of 1G 73.7M of 4G
#25 running 2015-08-28 10:36:52 AM 0.0% 337.3M of 1G 73.7M of 4G
#26 running 2015-08-28 10:36:52 AM 0.0% 337.1M of 1G 73.7M of 4G
#27 running 2015-08-31 10:47:15 AM 0.0% 302.7M of 1G 73.7M of 4G
#28 running 2015-08-28 10:36:13 AM 0.0% 316M of 1G 73.7M of 4G
#29 running 2015-08-28 10:36:16 AM 0.0% 325.1M of 1G 73.7M of 4G
#30 running 2015-08-28 10:36:17 AM 0.0% 328.5M of 1G 73.7M of 4G
#31 running 2015-09-02 06:02:55 PM 0.0% 53.4M of 1G 73.7M of 4G
#32 running 2015-08-28 10:36:52 AM 0.0% 258.7M of 1G 73.7M of 4G
#33 running 2015-08-28 10:36:48 AM 0.0% 273.7M of 1G 73.7M of 4G
#34 running 2015-08-31 10:01:37 PM 0.0% 216.8M of 1G 73.7M of 4G
#35 running 2015-08-28 10:36:21 AM 0.0% 428.4M of 1G 73.7M of 4G
#36 running 2015-09-02 08:10:51 AM 0.0% 228.2M of 1G 73.7M of 4G
#37 running 2015-08-28 10:36:14 AM 0.0% 262.6M of 1G 73.7M of 4G
#38 running 2015-08-28 10:36:56 AM 0.0% 284.8M of 1G 73.7M of 4G
#39 running 2015-09-02 10:51:07 AM 0.0% 174.3M of 1G 73.7M of 4G
#40 running 2015-09-01 09:03:20 PM 0.0% 210.1M of 1G 73.7M of 4G
#41 running 2015-08-28 10:36:21 AM 0.0% 295.3M of 1G 73.7M of 4G
#42 running 2015-08-28 10:36:22 AM 0.0% 301.7M of 1G 73.7M of 4G
#43 running 2015-08-28 10:36:59 AM 0.0% 307M of 1G 73.7M of 4G
#44 running 2015-08-28 10:36:29 AM 0.0% 293.8M of 1G 73.7M of 4G
#45 running 2015-09-02 08:10:45 AM 0.0% 178.8M of 1G 73.7M of 4G
#46 running 2015-08-28 10:36:54 AM 0.0% 313.5M of 1G 73.7M of 4G
#47 running 2015-08-31 11:04:17 PM 0.0% 274.8M of 1G 73.7M of 4G
#48 running 2015-09-02 06:02:52 PM 0.0% 50.9M of 1G 73.7M of 4G
#49 running 2015-08-28 10:36:17 AM 0.0% 335.8M of 1G 73.7M of 4G
#50 running 2015-08-28 10:36:19 AM 0.0% 310.7M of 1G 73.7M of 4G
#51 running 2015-08-28 10:36:23 AM 0.0% 310M of 1G 73.7M of 4G
#52 running 2015-09-02 06:02:48 PM 0.0% 51M of 1G 73.7M of 4G
#53 running 2015-08-28 10:37:04 AM 0.0% 269.4M of 1G 73.7M of 4G
#54 running 2015-08-28 10:37:04 AM 0.0% 299.8M of 1G 73.7M of 4G
#55 running 2015-08-28 10:37:05 AM 0.0% 361.6M of 1G 73.7M of 4G
#56 running 2015-08-28 10:36:28 AM 0.0% 321.6M of 1G 73.7M of 4G
#57 running 2015-08-28 10:36:21 AM 0.0% 309.4M of 1G 73.7M of 4G
#58 running 2015-08-28 10:36:28 AM 0.0% 330.3M of 1G 73.7M of 4G
#59 running 2015-08-28 10:36:29 AM 0.0% 338M of 1G 73.7M of 4G
#60 running 2015-08-28 10:36:32 AM 0.0% 362.5M of 1G 73.7M of 4G
#61 running 2015-08-28 10:37:05 AM 0.0% 279.8M of 1G 73.7M of 4G
#62 running 2015-08-28 10:37:01 AM 0.0% 271.7M of 1G 73.7M of 4G
#63 running 2015-08-28 10:36:23 AM 0.0% 324M of 1G 73.7M of 4G
#64 running 2015-08-28 10:36:26 AM 0.0% 341.1M of 1G 73.7M of 4G
#65 running 2015-09-02 06:02:54 PM 0.0% 51.7M of 1G 73.7M of 4G
#66 running 2015-09-02 06:02:52 PM 0.0% 50.9M of 1G 73.7M of 4G
#67 running 2015-09-01 09:03:38 PM 0.0% 247.5M of 1G 73.7M of 4G
#68 running 2015-08-28 10:36:40 AM 0.0% 324.8M of 1G 73.7M of 4G
#69 running 2015-08-31 10:34:18 PM 0.0% 257.6M of 1G 73.7M of 4G
#70 running 2015-08-28 10:36:34 AM 0.0% 281.4M of 1G 73.7M of 4G
#71 running 2015-08-28 10:36:35 AM 0.0% 340M of 1G 73.7M of 4G
#72 running 2015-09-02 06:02:52 PM 0.0% 50.7M of 1G 73.7M of 4G
#73 running 2015-08-28 10:37:12 AM 0.0% 299.8M of 1G 73.7M of 4G
#74 running 2015-09-02 06:04:09 PM 0.0% 52.3M of 1G 73.7M of 4G
#75 running 2015-09-02 06:02:38 PM 0.0% 50.9M of 1G 73.7M of 4G
#76 running 2015-09-02 06:02:26 PM 0.0% 50.9M of 1G 73.7M of 4G
#77 running 2015-09-02 06:53:44 PM 0.0% 50.9M of 1G 73.7M of 4G
#78 running 2015-08-28 10:36:38 AM 0.0% 365.7M of 1G 73.7M of 4G
#79 running 2015-08-28 10:37:15 AM 0.0% 331.1M of 1G 73.7M of 4G
#80 running 2015-08-28 10:36:45 AM 0.0% 323.8M of 1G 73.7M of 4G
#81 running 2015-08-28 10:36:38 AM 0.0% 316.3M of 1G 73.7M of 4G
#82 running 2015-09-02 06:02:55 PM 0.0% 53.5M of 1G 73.7M of 4G
#83 running 2015-08-28 10:36:33 AM 0.0% 305.5M of 1G 73.7M of 4G
#84 running 2015-08-28 10:37:17 AM 0.0% 268.2M of 1G 73.7M of 4G
#85 running 2015-08-28 10:37:18 AM 0.0% 298.7M of 1G 73.7M of 4G
#86 running 2015-08-31 11:04:17 PM 0.0% 226.8M of 1G 73.7M of 4G
#87 running 2015-09-02 06:55:09 PM 0.0% 50.7M of 1G 73.7M of 4G
#88 running 2015-08-28 10:36:42 AM 0.0% 306.8M of 1G 73.7M of 4G
#89 running 2015-08-28 10:36:43 AM 0.0% 315.4M of 1G 73.7M of 4G
#90 running 2015-08-28 10:37:18 AM 0.0% 301.5M of 1G 73.7M of 4G
#91 running 2015-08-28 10:36:44 AM 0.0% 319.6M of 1G 73.7M of 4G
#92 running 2015-08-28 10:36:36 AM 0.0% 316.8M of 1G 73.7M of 4G
#93 running 2015-09-01 10:26:51 PM 0.0% 221.7M of 1G 73.7M of 4G
#94 running 2015-08-28 10:36:39 AM 0.0% 327.1M of 1G 73.7M of 4G
#95 running 2015-09-02 06:02:18 PM 0.0% 50.9M of 1G 73.7M of 4G
#96 running 2015-09-02 06:03:20 PM 0.0% 50.8M of 1G 73.7M of 4G
#97 running 2015-09-02 06:04:09 PM 0.0% 52.1M of 1G 73.7M of 4G
#98 running 2015-08-28 10:37:17 AM 0.0% 205.5M of 1G 73.7M of 4G
#99 running 2015-08-28 10:37:18 AM 0.0% 273.6M of 1G 73.7M of 4G
#100 running 2015-08-28 10:37:19 AM 0.0% 268.5M of 1G 73.7M of 4G
#101 running 2015-09-02 06:03:25 PM 0.0% 51M of 1G 73.7M of 4G
#102 running 2015-09-02 06:02:56 PM 0.0% 50.9M of 1G 73.7M of 4G
#103 running 2015-09-02 06:02:54 PM 0.0% 51.6M of 1G 73.7M of 4G
#104 running 2015-09-02 10:50:44 AM 0.0% 228.9M of 1G 73.7M of 4G
#105 running 2015-09-02 06:04:09 PM 0.0% 52.1M of 1G 73.7M of 4G
#106 running 2015-08-31 10:45:14 AM 0.0% 292.2M of 1G 73.7M of 4G
#107 running 2015-09-01 09:01:30 PM 0.0% 215.8M of 1G 73.7M of 4G
#108 running 2015-08-28 10:37:29 AM 0.0% 328.8M of 1G 73.7M of 4G
#109 running 2015-08-28 10:36:52 AM 0.0% 315.8M of 1G 73.7M of 4G
#110 running 2015-08-28 10:36:52 AM 0.0% 291.6M of 1G 73.7M of 4G
#111 running 2015-08-28 10:36:53 AM 0.0% 309.3M of 1G 73.7M of 4G
#112 running 2015-08-28 10:37:26 AM 0.0% 337.6M of 1G 73.7M of 4G
#113 running 2015-08-28 10:36:53 AM 0.0% 401M of 1G 73.7M of 4G
#114 running 2015-09-02 06:04:09 PM 0.0% 53M of 1G 73.7M of 4G
#115 running 2015-09-01 09:01:07 PM 0.0% 231.7M of 1G 73.7M of 4G
#116 running 2015-08-28 10:36:51 AM 0.0% 360.8M of 1G 73.7M of 4G
#117 running 2015-08-28 10:36:42 AM 0.0% 348.9M of 1G 73.7M of 4G
#118 running 2015-09-01 03:33:07 PM 0.0% 236.6M of 1G 73.7M of 4G
#119 running 2015-08-28 10:36:56 AM 0.0% 373M of 1G 73.7M of 4G
#120 running 2015-08-28 10:36:48 AM 0.0% 341.9M of 1G 73.7M of 4G
#121 running 2015-08-28 10:36:56 AM 0.0% 311.8M of 1G 73.7M of 4G
#122 running 2015-08-31 10:45:57 AM 0.0% 285.6M of 1G 73.7M of 4G
#123 running 2015-08-31 10:01:37 PM 0.0% 259.2M of 1G 73.7M of 4G
#124 running 2015-08-28 10:36:48 AM 0.0% 344.7M of 1G 73.7M of 4G
#125 running 2015-08-28 10:37:26 AM 0.0% 283.9M of 1G 73.7M of 4G
#126 running 2015-09-02 06:02:14 PM 0.0% 50.9M of 1G 73.7M of 4G
#127 running 2015-08-28 10:37:25 AM 0.0% 311.4M of 1G 73.7M of 4G
1 个答案:
答案 0 :(得分：1)
我相信信息的流程是：
cf CLI＆lt; - ＆gt;云控制器＆lt; - ＆gt; DEA＆lt; - ＆gt; Warden＆lt; - ＆gt; cgroup CPU Accounting
请参阅：
此处的统计信息显示了容器在最后一秒CPU（VM）中花费的时间进程百分比。如果您的应用程序要执行更多CPU密集型操作，您可能会看到此数字增加。例如，我推了一个小的hello-world Golang应用程序，它在后台运行一个紧密的循环，计算一些随机浮点数的正弦值，然后cf app显示15.5％的CPU使用率：
package main
import (
"fmt"
"net/http"
"os"
"math"
"math/rand"
)
func main() {
go func() {
for {
println(math.Sin(rand.Float64()))
}
}()
http.HandleFunc("/", hello)
fmt.Println("listening...")
err := http.ListenAndServe(":"+os.Getenv("PORT"), nil)
if err != nil {
panic(err)
}
}
func hello(res http.ResponseWriter, req *http.Request) {
fmt.Fprintln(res, "go, world")
}
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