fixup! Add docs

Doc/howto/instrumentation.rst

@@ -3,7 +3,7 @@
 .. _instrumentation:
 
 ===============================================
-instrumenting cpython with dtrace and systemtap
+Instrumenting CPython with DTrace and SystemTap
 ===============================================
 
 :author: David Malcolm

Doc/howto/perf_profiling.rst

@@ -9,9 +9,9 @@ Python support for the Linux ``perf`` profiler
 :author: Pablo Galindo
 
 The Linux ``perf`` profiler is a very powerful tool that allows you to profile and
-obtain information about the performance of your application. It is a very powerful
-profiler that also has a very vibrant ecosystem of tools that aid with the analysis
-of the data that it produces.
+obtain information about the performance of your application. ``perf`` also has
+a very vibrant ecosystem of tools that aid with the analysis of the data that it
+produces.
 
 The main problem with using the ``perf`` profiler with Python applications is that
 ``perf`` only allows to get information about native symbols, this is, the names of
@@ -29,7 +29,7 @@ relationship between this piece of code and the associated Python function using
 
     Support for the ``perf`` profiler is only currently available for Linux on
     selected architectures. Check the output of the configure build step or
-    check the output of ``python.exe -m sysconfig | grep HAVE_PERF_TRAMPOLINE``
+    check the output of ``python -m sysconfig | grep HAVE_PERF_TRAMPOLINE``
     to see if your system is supported.
 
 For example, consider the following script:
@@ -197,5 +197,4 @@ If you don't see any output it means that your interpreter has not been compiled
 frame pointers and therefore it may not be able to show Python functions in the output
 of ``perf``.
 
-.. _perf map files: https://github.com/torvalds/linux/blob/0513e464f9007b70b96740271a948ca5ab6e7dd7/tools/perf/Documentation/jit-interface.txt
-
+.. _perf map files: https://github.com/torvalds/linux/blob/0513e464f9007b70b96740271a948ca5ab6e7dd7/tools/perf/Documentation/jit-interface.txt