Fix spack --profile, fixes #1639

lib/spack/docs/configuration.rst

@@ -201,41 +201,14 @@ supply ``-p`` to Spack on the command line, before any subcommands.
 
 .. _spack-p:
 
-^^^^^^^^^^^^
-``spack -p``
-^^^^^^^^^^^^
-
-``spack -p`` output looks like this:
-
-.. code-block:: console
-
-   $ spack -p graph dyninst
-   o  dyninst
-   \|\
-   \| \|\
-   \| o \|  libdwarf
-   \|/ /
-   o \|  libelf
-    /
-   o  boost
-
-         307670 function calls (305943 primitive calls) in 0.127 seconds
-
-   Ordered by: internal time
-
-   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
-      853    0.021    0.000    0.066    0.000 inspect.py:472(getmodule)
-    51197    0.011    0.000    0.018    0.000 inspect.py:51(ismodule)
-    73961    0.010    0.000    0.010    0.000 {isinstance}
-     1762    0.006    0.000    0.053    0.000 inspect.py:440(getsourcefile)
-    32075    0.006    0.000    0.006    0.000 {hasattr}
-     1760    0.004    0.000    0.004    0.000 {posix.stat}
-     2240    0.004    0.000    0.004    0.000 {posix.lstat}
-     2602    0.004    0.000    0.011    0.000 inspect.py:398(getfile)
-      771    0.004    0.000    0.077    0.000 inspect.py:518(findsource)
-     2656    0.004    0.000    0.004    0.000 {method 'match' of '_sre.SRE_Pattern' objects}
-    30772    0.003    0.000    0.003    0.000 {method 'get' of 'dict' objects}
-    ...
+^^^^^^^^^^^^^^^^^^^
+``spack --profile``
+^^^^^^^^^^^^^^^^^^^
+
+``spack --profile`` output looks like this:
+
+.. command-output:: spack --profile graph dyninst
+   :ellipsis: 25
 
 The bottom of the output shows the top most time consuming functions,
 slowest on top.  The profiling support is from Python's built-in tool,