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2618
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1 ;;; diagnose.el --- routines for debugging problems in XEmacs
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2
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3 ;; Copyright (C) 2002 Ben Wing.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF.
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs.
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30
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31 ;;; Code:
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32
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33
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34 (defun show-memory-usage ()
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35 "Show statistics about memory usage of various sorts in XEmacs."
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36 (interactive)
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37 (garbage-collect)
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38 (flet ((show-foo-stats (objtypename objlist memfun)
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39 (let* ((hash (make-hash-table))
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40 (first t)
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41 types fmt
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42 (objnamelen 25)
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43 (linelen objnamelen)
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44 (totaltotal 0))
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45 (dolist (obj objlist)
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46 (let ((total 0)
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47 (stats (funcall memfun obj)))
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48 (loop for (type . num) in stats while type do
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49 (puthash type (+ num (or (gethash type hash) 0)) hash)
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50 (incf total num)
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51 (if first (push type types)))
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52 (incf totaltotal total)
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53 (when first
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54 (setq types (nreverse types))
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55 (setq fmt (concat
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56 (format "%%-%ds" objnamelen)
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57 (mapconcat
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58 #'(lambda (type)
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59 (let ((fieldlen
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60 (max 8 (+ 2 (length
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61 (symbol-name type))))))
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62 (incf linelen fieldlen)
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63 (format "%%%ds" fieldlen)))
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64 types "")
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65 (progn (incf linelen 9) "%9s\n")))
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66 (princ "\n")
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67 (princ (apply 'format fmt objtypename
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68 (append types (list 'total))))
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69 (princ (make-string linelen ?-))
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70 (princ "\n"))
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71 (let ((objname (format "%s" obj)))
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72 (princ (apply 'format fmt (substring objname 0
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73 (min (length objname)
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74 (1- objnamelen)))
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75 (nconc (mapcar #'(lambda (type)
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76 (cdr (assq type stats)))
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77 types)
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78 (list total)))))
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79 (setq first nil)))
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80 (princ "\n")
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81 (princ (apply 'format fmt "total"
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82 (nconc (mapcar #'(lambda (type)
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83 (gethash type hash))
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84 types)
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85 (list totaltotal))))
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86 totaltotal)))
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87
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88 (let ((grandtotal 0)
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89 (buffer "*memory usage*")
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90 begin)
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91 (with-output-to-temp-buffer buffer
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92 (save-excursion
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93 (set-buffer buffer)
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94 (when-fboundp 'charset-list
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95 (setq begin (point))
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96 (incf grandtotal
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97 (show-foo-stats 'charset (charset-list)
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98 #'charset-memory-usage))
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99 (when-fboundp 'sort-numeric-fields
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100 (sort-numeric-fields -1
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101 (save-excursion
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102 (goto-char begin)
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103 (forward-line 2)
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104 (point))
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105 (save-excursion
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106 (forward-line -2)
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107 (point))))
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108 (princ "\n"))
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109 (setq begin (point))
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110 (incf grandtotal
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111 (show-foo-stats 'buffer (buffer-list) #'buffer-memory-usage))
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112 (when-fboundp 'sort-numeric-fields
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113 (sort-numeric-fields -1
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114 (save-excursion
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115 (goto-char begin)
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116 (forward-line 3)
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117 (point))
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118 (save-excursion
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119 (forward-line -2)
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120 (point))))
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121 (princ "\n")
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122 (setq begin (point))
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123 (incf grandtotal
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124 (show-foo-stats 'window (mapcan #'(lambda (fr)
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125 (window-list fr t))
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126 (frame-list))
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127 #'window-memory-usage))
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128 (sort-numeric-fields -1
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129 (save-excursion
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130 (goto-char begin)
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131 (forward-line 3)
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132 (point))
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133 (save-excursion
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134 (forward-line -2)
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135 (point)))
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136 (princ "\n")
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137 (let ((total 0)
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138 (fmt "%-30s%10s\n"))
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139 (setq begin (point))
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140 (princ (format fmt "object" "storage"))
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141 (princ (make-string 40 ?-))
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142 (princ "\n")
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143 (map-plist #'(lambda (stat num)
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144 (when (string-match
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145 "\\(.*\\)-storage\\$"
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146 (symbol-name stat))
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147 (incf total num)
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148 (princ (format fmt
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149 (match-string 1 (symbol-name stat))
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150 num)))
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151 (when (eq stat 'long-strings-total-length)
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152 (incf total num)
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153 (princ (format fmt stat num))))
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154 (sixth (garbage-collect)))
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155 (princ "\n")
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156 (princ (format fmt "total" total))
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157 (incf grandtotal total))
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158 (sort-numeric-fields -1
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159 (save-excursion
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160 (goto-char begin)
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161 (forward-line 2)
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162 (point))
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163 (save-excursion
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164 (forward-line -2)
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165 (point)))
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166
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167 (princ (format "\n\ngrand total: %s\n" grandtotal)))
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168 grandtotal))))
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169
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170
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171 (defun show-object-memory-usage-stats ()
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172 "Show statistics about object memeory usage in XEmacs."
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173 (interactive)
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174 (garbage-collect)
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175 (let ((buffer "*object memory usage statistics*")
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176 (plist (object-memory-usage-stats))
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177 (fmt "%-30s%10s%10s\n")
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178 (grandtotal 0)
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179 begin)
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180 (flet ((show-stats (match-string)
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181 (princ (format fmt "object" "count" "storage"))
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182 (princ (make-string 50 ?-))
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183 (princ "\n")
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184 (let ((total-use 0)
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185 (total-use-overhead 0)
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186 (total-count 0))
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187 (map-plist
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188 #'(lambda (stat num)
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189 (when (string-match match-string
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190 (symbol-name stat))
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191 (let ((storage-use num)
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192 (storage-use-overhead
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193 (plist-get
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194 plist
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195 (intern (concat (match-string 1 (symbol-name stat))
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196 "-storage-including-overhead"))))
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197 (storage-count
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198 (or (plist-get
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199 plist
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200 (intern
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201 (concat (match-string 1 (symbol-name stat))
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202 "s-used")))
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203 (plist-get
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204 plist
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205 (intern
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206 (concat (match-string 1 (symbol-name stat))
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207 "es-used")))
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208 (plist-get
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209 plist
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210 (intern
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211 (concat (match-string 1 (symbol-name stat))
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212 "-used"))))))
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213 (incf total-use storage-use)
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214 (incf total-use-overhead (if storage-use-overhead
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215 storage-use-overhead
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216 storage-use))
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217 (incf total-count storage-count)
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218 (princ (format fmt
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219 (match-string 1 (symbol-name stat))
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220 storage-count storage-use)))))
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221 plist)
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222 (princ "\n")
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223 (princ (format fmt "total"
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224 total-count total-use-overhead))
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225 (incf grandtotal total-use-overhead)
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226 (sort-numeric-fields -1
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227 (save-excursion
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228 (goto-char begin)
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229 (forward-line 2)
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230 (point))
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231 (save-excursion
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232 (forward-line -2)
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233 (point))))))
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234 (with-output-to-temp-buffer buffer
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235 (save-excursion
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236 (set-buffer buffer)
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237 (setq begin (point))
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238 (princ "Allocated with lisp allocator:\n")
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239 (show-stats "\\(.*\\)-storage$")
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240 (princ (format "\n\ngrand total: %s\n" grandtotal)))
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241 grandtotal))))
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242
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243
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244 (defun show-mc-alloc-memory-usage ()
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245 "Show statistics about memory usage of the new allocator."
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246 (interactive)
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247 (garbage-collect)
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248 (let* ((stats (mc-alloc-memory-usage))
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249 (page-size (first stats))
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250 (heap-sects (second stats))
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251 (used-plhs (third stats))
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252 (free-plhs (fourth stats))
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253 (globals (fifth stats))
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254 (mc-malloced-bytes (sixth stats)))
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255 (with-output-to-temp-buffer "*memory usage*"
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256 (flet ((print-used-plhs (text plhs)
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257 (let ((sum-n-pages 0)
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258 (sum-used-n-cells 0)
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259 (sum-used-space 0)
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260 (sum-used-total 0)
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261 (sum-total-n-cells 0)
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262 (sum-total-space 0)
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263 (sum-total-total 0)
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264 (fmt "%7s%7s|%7s%9s%9s%4s|%7s%9s%9s%4s|%4s\n"))
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265 (princ (format "%-14s|%-29s|%-29s|\n"
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266 text
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267 " currently in use"
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268 " total available"))
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269 (princ (format fmt "cell-sz" "#pages"
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270 "#cells" "space" "total" "% "
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271 "#cells" "space" "total" "% " "% "))
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272 (princ (make-string 79 ?-))
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273 (princ "\n")
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274 (while plhs
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275 (let* ((elem (car plhs))
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276 (cell-size (first elem))
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277 (n-pages (second elem))
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278 (used-n-cells (third elem))
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279 (used-space (fourth elem))
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280 (used-total (if (zerop cell-size)
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281 (sixth elem)
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282 (* cell-size used-n-cells)))
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283 (used-eff (floor (if (not (zerop used-total))
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284 (* (/ (* used-space 1.0)
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285 (* used-total 1.0))
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286 100.0)
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287 0)))
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288 (total-n-cells (fifth elem))
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289 (total-space (if (zerop cell-size)
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290 used-space
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291 (* cell-size total-n-cells)))
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292 (total-total (sixth elem))
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293 (total-eff (floor (if (not (zerop total-total))
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294 (* (/ (* total-space 1.0)
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295 (* total-total 1.0))
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296 100.0)
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297 0)))
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298 (eff (floor (if (not (zerop total-total))
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299 (* (/ (* used-space 1.0)
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300 (* total-total 1.0))
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301 100.0)
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302 0))))
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303 (princ (format fmt
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304 cell-size n-pages used-n-cells used-space
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305 used-total used-eff total-n-cells
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306 total-space total-total total-eff eff))
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307 (incf sum-n-pages n-pages)
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308 (incf sum-used-n-cells used-n-cells)
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309 (incf sum-used-space used-space)
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310 (incf sum-used-total used-total)
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311 (incf sum-total-n-cells total-n-cells)
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312 (incf sum-total-space total-space)
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313 (incf sum-total-total total-total))
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314 (setq plhs (cdr plhs)))
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315 (let ((avg-used-eff (floor (if (not (zerop sum-used-total))
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316 (* (/ (* sum-used-space 1.0)
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317 (* sum-used-total 1.0))
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318 100.0)
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319 0)))
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320 (avg-total-eff (floor (if (not (zerop sum-total-total))
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321 (* (/ (* sum-total-space 1.0)
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322 (* sum-total-total 1.0))
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323 100.0)
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324 0)))
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325 (avg-eff (floor (if (not (zerop sum-total-total))
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326 (* (/ (* sum-used-space 1.0)
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327 (* sum-total-total 1.0))
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328 100.0)
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329 0))))
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330 (princ (format fmt "sum " sum-n-pages sum-used-n-cells
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331 sum-used-space sum-used-total avg-used-eff
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332 sum-total-n-cells sum-total-space
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333 sum-total-total avg-total-eff avg-eff))
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334 (princ "\n"))))
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335
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336
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337 (print-free-plhs (text plhs)
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338 (let ((sum-n-pages 0)
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339 (sum-n-sects 0)
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340 (sum-space 0)
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341 (sum-total 0)
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342 (fmt "%6s%10s |%7s%10s\n"))
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343 (princ (format "%s\n" text))
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344 (princ (format fmt "#pages" "space" "#sects" "total"))
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345 (princ (make-string 35 ?-))
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346 (princ "\n")
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347 (while plhs
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348 (let* ((elem (car plhs))
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349 (n-pages (first elem))
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350 (n-sects (second elem))
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351 (space (* n-pages page-size))
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352 (total (* n-sects space)))
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353 (princ (format fmt n-pages space n-sects total))
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354 (incf sum-n-pages n-pages)
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355 (incf sum-n-sects n-sects)
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356 (incf sum-space space)
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357 (incf sum-total total))
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358 (setq plhs (cdr plhs)))
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359 (princ (make-string 35 ?=))
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360 (princ "\n")
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361 (princ (format fmt sum-n-pages sum-space
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362 sum-n-sects sum-total))
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363 (princ "\n"))))
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364
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365 (princ (format "%-12s%10s\n\n" "PAGE_SIZE" page-size))
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366
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367 (print-used-plhs "USED HEAP" used-plhs)
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368 (princ "\n\n")
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369
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370 (print-free-plhs "FREE HEAP" free-plhs)
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371 (princ "\n\n")
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372
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373 (let ((fmt "%-30s%10s\n"))
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374 (princ (format fmt "heap sections" ""))
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375 (princ (make-string 40 ?-))
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376 (princ "\n")
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377 (princ (format fmt "number of heap sects"
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378 (first heap-sects)))
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379 (princ (format fmt "used size" (second heap-sects)))
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380 (princ (make-string 40 ?-))
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381 (princ "\n")
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382 (princ (format fmt "real size" (third heap-sects)))
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383 (princ (format fmt "global allocator structs" globals))
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384 (princ (make-string 40 ?-))
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385 (princ "\n")
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386 (princ (format fmt "real size + structs"
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387 (+ (third heap-sects) globals)))
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388 (princ "\n")
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389 (princ (make-string 40 ?=))
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390 (princ "\n")
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391 (princ (format fmt "grand total" mc-malloced-bytes)))
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392
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393 (+ mc-malloced-bytes)))))
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3092
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394
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395
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396 (defun show-gc-stats ()
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397 "Show statistics about garbage collection cycles."
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398 (interactive)
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399 (let ((buffer "*garbage collection statistics*")
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400 (plist (gc-stats))
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401 (fmt "%-9s %10s %10s %10s %10s %10s\n"))
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402 (flet ((plist-get-stat (category field)
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403 (or (plist-get plist (intern (concat category field)))
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404 "-"))
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405 (show-stats (category)
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406 (princ (format fmt category
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407 (plist-get-stat category "-total")
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408 (plist-get-stat category "-in-last-gc")
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409 (plist-get-stat category "-in-this-gc")
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410 (plist-get-stat category "-in-last-cycle")
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411 (plist-get-stat category "-in-this-cycle")))))
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412 (with-output-to-temp-buffer buffer
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413 (save-excursion
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414 (set-buffer buffer)
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415 (princ (format "%s %s\n" "Current phase" (plist-get plist 'phase)))
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416 (princ (make-string 64 ?-))
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417 (princ "\n")
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418 (princ (format fmt "stat" "total" "last-gc" "this-gc"
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419 "last-cycle" "this-cylce"))
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420 (princ (make-string 64 ?-))
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421 (princ "\n")
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422 (show-stats "n-gc")
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423 (show-stats "n-cycles")
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424 (show-stats "enqueued")
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425 (show-stats "dequeued")
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426 (show-stats "repushed")
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427 (show-stats "enqueued2")
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428 (show-stats "dequeued2")
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429 (show-stats "finalized")
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430 (show-stats "freed")
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431 (princ (make-string 64 ?-))
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432 (princ "\n")
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433 (princ (format fmt "explicitly"
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434 "freed:"
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435 (plist-get-stat "explicitly" "-freed")
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436 "tried:"
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437 (plist-get-stat "explicitly" "-tried-freed")
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438 "")))
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439
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440 (plist-get plist 'n-gc-total)))))
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