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profiler: document prefix arg for tree expansion

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* doc/lispref/debugging.texi (Profiling):
* lisp/profiler.el (profiler-report-toggle-entry): Document use of
prefix argument to expand whole call trees.
This commit is contained in:
Noam Postavsky 2016-07-17 00:21:42 -04:00
parent 442cc39e13
commit 272391f1d6
2 changed files with 5 additions and 3 deletions
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5
doc/lispref/debugging.texi
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@ -840,8 +840,9 @@ called, followed by how much resource (processor or memory) it used in
absolute and percentage times since profiling started. If a given
line has a @samp{+} symbol at the left-hand side, you can expand that
line by typing @key{RET}, in order to see the function(s) called by
the higher-level function. Pressing @key{RET} again will collapse
back to the original state.
the higher-level function. Use a prefix argument (@key{C-u RET}) to
see the whole call tree below a function. Pressing @key{RET} again
will collapse back to the original state.
Press @kbd{j} or @kbd{mouse-2} to jump to the definition of a function.
Press @kbd{d} to view a function's documentation.

3
lisp/profiler.el
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@ -692,7 +692,8 @@ With a prefix argument, expand the whole subtree."
(defun profiler-report-toggle-entry (&optional arg)
"Expand entry at point if the tree is collapsed,
otherwise collapse."
otherwise collapse. With prefix argument, expand all subentries
below entry at point."
(interactive "P")
(or (profiler-report-expand-entry arg)
(profiler-report-collapse-entry)))