[Dev] Re: current Mac Monitor status

[Frank Cohen]

Mac OS X has some of the BSD Unix utilities. Here's what you should  
be using:

iostat - gives cpu usage
vm_stat - gives memory
netstat - gives network activity

-Frank




On May 15, 2007, at 10:21 AM, William Martínez Pomares wrote:

>
> FYI
>>  -----Original Message-----
>> From: 	Luis Carlos Lara López
>> Sent:	Tuesday, May 15, 2007 9:50 AM
>> To:	William Martínez Pomares
>> Subject:	current Mac Monitor stated
>> Importance:	High
>>
>> Unix monitor: Current state
>>
>> The Mac and Linux Monitor are a derivation from the Windows  
>> monitor, only that this monitor uses the system command to obtain  
>> the required information. The command used is TOP
>>
>> TOP in Mac (top -l 1) shows and output like
>>
>> Processes:  47 total, 2 running, 45 sleeping... 137  
>> threads            09:34:12
>> Load Avg:  1.45, 1.02, 0.86     CPU usage:  22.4% user, 77.6% sys,  
>> 0.0% idle
>> SharedLibs: num =  143, resident = 24.1M code, 2.54M data, 3.84M  
>> LinkEdit
>> MemRegions: num =  3336, resident =  123M + 6.70M private, 24.4M  
>> shared
>> PhysMem:  35.7M wired,  140M active, 70.8M inactive,  246M used,  
>> 9.18M free
>> VM: 2.26G + 96.4M   14714(0) pageins, 265(0) pageouts
>>
>>   PID COMMAND      %CPU   TIME   #TH #PRTS #MREGS RPRVT  RSHRD   
>> RSIZE  VSIZE
>> 23840 top          0.0%  0:00.16   1    17    20   188K   332K    
>> 608K  26.9M
>> 21749 mdimport     0.0%  0:01.64   3    60    51   912K  1.43M   
>> 2.82M  38.3M
>> 10500 bash         0.0%  0:00.74   1    14    18   204K   784K    
>> 852K  27.1M
>> 10499 login        0.0%  0:00.04   1    16    38   168K   352K    
>> 568K  26.9M
>>  3487 bash         0.0%  0:02.76   1    14    17   208K   784K    
>> 588K  27.1M
>>  3486 login        0.0%  0:00.04   1    16    38   168K   352K    
>> 568K  26.9M
>>  2724 Terminal     0.0%  4:09.64   7   165   179  3.84M  6.96M   
>> 10.1M  90.1M
>>   210 OSXvnc-ser   0.0% 63:49.54   4    98   104  27.4M  1.85M   
>> 29.3M  97.7M
>>   192 Share My D   0.0% 16:09.24   1    66   140  63.1M  5.12M   
>> 67.3M   137M
>>   190 System Eve   0.0%  0:07.05   1    56    59   920K  1.08M   
>> 2.70M  45.8M
>>
>> TOP in Linux (top -n 1) it shows and output like
>>
>>
>> top - 09:23:35 up 17 days, 18:08,  2 users,  load average: 0.21,  
>> 0.19, 0.17
>> Tasks: 129 total,   1 running, 128 sleeping,   0 stopped,   0 zombie
>> Cpu(s): 22.6%us,  0.3%sy,  0.0%ni, 76.8%id,  0.1%wa,  0.1%hi,  0.0% 
>> si,  0.0%st
>> Mem:    514156k total,   502532k used,    11624k free,   110556k  
>> buffers
>> Swap:   525288k total,       88k used,   525200k free,   176160k  
>> cached
>>
>>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>  8219 llara     15   0  2152  992  740 R  5.6  0.2   0:00.06 top
>> 27244 mysql     18   0  187m  32m 4600 S  1.9  6.5   5714:41 mysqld
>>     1 root      15   0  2028  728  628 S  0.0  0.1   0:01.39 init
>>
>>
>> With that information we can obtain the CPU and Memory statistic,  
>> nevertheless the NET information is not present. We continue  
>> looking for a command that allows us to get the Network data.
>>
>> Approach shortcomings
>>
>> *	TOP output is processed using grep command. Both commands must  
>> be present for the monitor to work.
>> *	The output is processed using regular expression. If the output  
>> differs considerably between flavors of Linux and Mac, more  
>> complex GREP Regular Expressions must be made to get the required  
>> information.
>>
>>
>>



--
Frank Cohen, PushToTest, http://www.PushToTest.com, phone 408 374 7426
TestMaker: The open-source SOA test automation tool