On 2015-08-04 22:30, Cecil Westerhof wrote:
On Tuesday  4 Aug 2015 22:52 CEST, Emile van Sebille wrote:

On 8/4/2015 1:19 PM, Cecil Westerhof wrote:
Under Linux I like to get the most expensive processes. The two
most useful commands are: ps -eo pid,user,pcpu,args --sort=-pcpu
and: ps -eo pid,user,pcpu,args --sort=-vsize

In my case I am only interested in the seven most expensive
processes. For this I wrote the following script.
<snip>
Is this a reasonable way to do this? Getting the parameter is done
quit simple, but I did not think fancy was necessary here.


My platform shows as linux2 and it worked fine for me when checking
for that.

I heard that that was possible also, but none of my systems gives
this. I should change it. I was also thinking about posix systems, but
the Linux ps does more as others, so I did not do that.

I amended the code to work with linux and linux2:
========================================================================
accepted_params     = {
     'pcpu',
     'rss',
     'size',
     'time',
     'vsize',
}
accepted_platforms  = {
     'linux',
     'linux2',
}
current_platform    = sys.platform
max_line_length     = 200
no_of_lines         = 8                     # One extra for the heading

is_good_platform    = False
for platform in accepted_platforms:
     if platform == current_platform:
         is_good_platform = True
         break
if not is_good_platform:
     raise Exception('Got an incompatiple platform: {0}'.
                     format(current_platform))
========================================================================

Doesn't that 'for' loop do the same as:

    is_good_platform = current_platform in accepted_platforms

?

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