Question

给出NuSMV模型，如何找到其运行时以及消耗了多少内存？

因此可以在系统提示符下使用以下命令找到运行时：/ usr / bin / time -f“ time％e s” NuSMV filename.smv

以上给出了挂钟时间。是否有更好的方法可以从NuSMV本身获取运行时统计信息？

还如何找出程序在处理文件时使用了多少RAM内存？

Answer 1

一种可能性是使用usage命令，该命令同时显示当前正在使用的 RAM 的数量以及 User 和系统时间（因此，usage应该在要分析的每个操作之前和之后都被调用）。

执行示例：

NuSMV > usage
Runtime Statistics
------------------
Machine name: *****
User time    0.005 seconds
System time  0.005 seconds

Average resident text size       =     0K
Average resident data+stack size =     0K
Maximum resident size            =  6932K

Virtual text size                =  8139K
Virtual data size                = 34089K
    data size initialized        =  3424K
    data size uninitialized      =   178K
    data size sbrk               = 30487K
Virtual memory limit             = -2147483648K (-2147483648K)

Major page faults = 0
Minor page faults = 2607
Swaps = 0
Input blocks = 0
Output blocks = 0
Context switch (voluntary) = 9
Context switch (involuntary) = 0

NuSMV > reset; read_model -i nusmvLab.2018.06.07.smv ; go ; check_property ; usage
-- specification (L6 != pc U cc = len) IN mm is true
-- specification  F (min = 2 & max = 9) IN mm is true
-- specification  G !((((max > arr[0] & max > arr[1]) & max > arr[2]) & max > arr[3]) & max > arr[4]) IN mm is true
-- invariant max >= min IN mm is true

Runtime Statistics
------------------
Machine name: *****
User time   47.214 seconds
System time  0.284 seconds

Average resident text size       =     0K
Average resident data+stack size =     0K
Maximum resident size            = 270714K

Virtual text size                =  8139K
Virtual data size                = 435321K
    data size initialized        =  3424K
    data size uninitialized      =   178K
    data size sbrk               = 431719K
Virtual memory limit             = -2147483648K (-2147483648K)

Major page faults = 1
Minor page faults = 189666
Swaps = 0
Input blocks = 48
Output blocks = 0
Context switch (voluntary) = 12
Context switch (involuntary) = 145

如何查找NuSMV模型使用的内存和运行时

1 个答案: