#9170: cygwin: get_memory_usage isn't implemented, e.g., because there's no top
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Reporter: was | Owner: tbd
Type: defect | Status: needs_work
Priority: major | Milestone: sage-4.6
Component: cygwin | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by gbe):
Very true. I should have thought about what the code was doing, not just
how to fix the breakage. As for top not being POSIX, I wasn't aware of
that. I had always assumed it was. Since it's not POSIX it seems fine to
let top() calls fail on Windows if top() is not installed, leaving an
appropriately worded explanation.
The only time top is called on linux is via a top() call. To get the
memory usage under linux, the /proc/<pid>/status is inspected. While they
don't seem to document how complete it is, cygwin does populate a /proc
directory. I'll poke around to see if the cygwin /proc system has what is
needed. As far as I can see this the closest Python has to a memory usage
call without using external libraries.
Geoff
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9170#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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