Get-DHCPPerf.Ps1

1. <# 
2. .SYNOPSIS 
3.     This script gets and displays perf counters for DHCP 
4. .DESCRIPTION 
5.     This script uses the Get-Counter cmdlet to get all 
6.     the counters for DHCP. The function does this for one 
7.     DHCP server at a time. 
8. .NOTES 
9.     File Name  : Show-.ps1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell Version 2.0 
12. .LINK 
13.     This script posted to: 
14.         http://www.pshscripts.blogspot.com 
15. .EXAMPLE 
16.     C:\Foo> Get-DHCPPerformanceCounters -comp dhcp2 
17.      Performance counters for: dhcp2 
18.      \\dhcp1\dhcp server\failover: bndupd dropped.                                           0 
19.      \\dhcp1\dhcp server\failover: transitions to recover state.                             8 
20.      \\dhcp1\dhcp server\failover: transitions to partner-down state.                        0 
21.      \\dhcp1\dhcp server\failover: transitions to communication-interrupted state.           9 
22.      \\dhcp1\dhcp server\failover: bndupd pending in outbound queue.                         0 
23.      \\dhcp1\dhcp server\failover: bndack received/sec.                                      0 
24.      \\dhcp1\dhcp server\failover: bndack sent/sec.                                          0 
25.      \\dhcp1\dhcp server\failover: bndupd received/sec.                                      0 
26.      \\dhcp1\dhcp server\failover: bndupd sent/sec.                                          0 
27.      \\dhcp1\dhcp server\denied due to nonmatch.                                             0 
28.      \\dhcp1\dhcp server\denied due to match.                                                0 
29.      \\dhcp1\dhcp server\offer queue length                                                  0 
30.      \\dhcp1\dhcp server\releases/sec                                                        0 
31.      \\dhcp1\dhcp server\declines/sec                                                        0 
32.      \\dhcp1\dhcp server\nacks/sec                                                           0 
33.      \\dhcp1\dhcp server\acks/sec                                                            0 
34.      \\dhcp1\dhcp server\informs/sec                                                         0 
35.      \\dhcp1\dhcp server\requests/sec                                                        0 
36.      \\dhcp1\dhcp server\offers/sec                                                          0 
37.      \\dhcp1\dhcp server\discovers/sec                                                       0 
38.      \\dhcp1\dhcp server\conflict check queue length                                         0 
39.      \\dhcp1\dhcp server\active queue length                                                 0 
40.      \\dhcp1\dhcp server\milliseconds per packet (avg).                                     28 
41.      \\dhcp1\dhcp server\packets expired/sec                                                 0 
42.      \\dhcp1\dhcp server\duplicates dropped/sec                                              0 
43. #> 
44.  
45.  
46.  
47.  
48. # Get-DHCPPerformanceCounters function 
49.  
50. Function Get-DHCPPerformanceCounters { 
51. Param ( 
52. $comp = 'localhost') 
53.  
54. # Get DHCP Counters 
55. $set = get-counter -listset "DHCP Server" 
56. $ctrs = $set.counter 
57.  
58. " Performance counters for: {0}" -f $comp 
59. # For each counter, get the sample 
60. foreach ($ctr in $ctrs) { 
61.  $sample = (get-counter $ctr).countersamples 
62.  
63.  
64.  "{0,-78} {1,10}" -f $sample.path, $sample.cookedvalue 
65.  
66. } 
67. } 
68.  
69.  
70. # Now test it 
71. Get-DHCPPerformanceCounters -comp dhcp1 
72. Get-DHCPPerformanceCounters -comp dhcp2 

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