45 lines
1.7 KiB
EmacsLisp
45 lines
1.7 KiB
EmacsLisp
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(defvar require-times nil
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"A list of (FEATURE . LOAD-DURATION).
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LOAD-DURATION is the time taken in milliseconds to load FEATURE.")
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(defadvice require
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(around build-require-times (feature &optional filename noerror) activate)
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"Note in `require-times' the time taken to require each feature."
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(let* ((already-loaded (memq feature features))
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(require-start-time (and (not already-loaded) (current-time))))
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(prog1
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ad-do-it
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(when (and (not already-loaded) (memq feature features))
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(add-to-list 'require-times
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(cons feature
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(float-time (time-subtract (current-time) require-start-time)))
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t)))))
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(defun list-times ()
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(interactive)
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(let ((temp-buffer (get-buffer-create "*benchmark*"))
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(sum 0.0))
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(popwin:popup-buffer temp-buffer :stick t)
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(erase-buffer)
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(org-mode)
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(dolist (feature require-times)
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(if (eq feature 'null)
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(progn
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(insert "|----+----+----|\n")
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(insert (format "| %6f | Subtotal |\n" sum))
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(insert "|----+----+----|\n"))
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(let ((time (cdr feature)))
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(insert (format "| %6f | %s | %s |\n" time (car feature) (cond ((>= time 0.4) "XXX")
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((>= time 0.1) "X")
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((>= time 0.05) ".")
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(t " "))))
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(setq sum (+ sum time)))))
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(save-excursion
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(insert "|----+----+----|\n")
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(insert (format "| %6f | Total |\n" sum))
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(insert (format "| %s | On Init |\n" (emacs-init-time))))
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(org-table-align)))
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(provide 'benchmark)
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