I tried use debug-on-entry on:
  + org-agenda-list(nil)
    - org-agenda-mode()
      + org-agenda-set-mode-name()
        - org-update-dblock
          + org-dblock-write:clocktable

But got no lucky, Then I followed your another suggestion, use profiler:

I got a very big message log, (not suitable for paste in email, so I paste
it on Gist)

- CPU profiler report: https://www.pastery.net/gststf/
- Memory profiler report: https://www.pastery.net/gststf+qzyxaf/#qzyxaf

The very deepest call stacks seems the output format is not long enough, so
can't display.

Your suggestion is very useful, I can see what function is invoked many
times. But still can't understand what's the cause.

[stardiviner]           <Hack this world!>      GPG key ID: 47C32433
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On Sat, Aug 15, 2020 at 2:02 PM Ihor Radchenko <yantar92@gmail.com> wrote:

> >Here is the backtrace of "toggle-debug-on-quit" when I refresh org-agenda
> >but has long time suspend.
>
> That looks unreadable for me. Also, debug on quit may not show the
> problematic part depending on your luck.
>
> It would be easier to understand your problem if you provided the
> profiler report (M-x profiler-start ... M-x profiler-report).
> Then, you could debug-on-entry using the problematic part according to
> the profiler report.
>
> A blind guess - maybe you are modifying match data somewhere in your
> code. This might cause infinite loop in
>
> > (while (org-activate-links (point-max)) (goto-char (match-end 0)))
>
> Best,
> Ihor
>
> "numbchild@gmail.com" <numbchild@gmail.com> writes:
>
> > Thanks for replying, Ihor. I will look into this regexp.
> >
> > Here is the backtrace of "toggle-debug-on-quit" when I refresh org-agenda
> > but has long time suspend.
> >
> > ```
> > Debugger entered--Lisp error: (quit)
> >
> >
> re-search-forward("\\(\\[\\[\\(\\(?:[^][\\]\\|\\\\\\(?:\\\\\\\\\\)*[][]\\|\\\\+[^][]\\)+..."
> > 17651 t)
> >   (while (re-search-forward org-link-any-re limit t) (let* ((start
> > (match-beginning 0)) (end (match-end 0)) (visible-start (or
> > (match-beginning 3) (match-beginning 2))) (visible-end (or (match-end 3)
> > (match-end 2))) (style (cond ((eq 60 (char-after start)) 'angle) ((eq 91
> > (char-after ...)) 'bracket) (t 'plain)))) (if (and (memq style
> > org-highlight-links) (not (string-match-p org-element-paragraph-separate
> > (match-string 0))) (not (and (eq style 'plain) (let (...) (if ... ...
> > ...))))) (progn (let* ((link-object (save-excursion ... ...)) (link
> > (org-element-property :raw-link link-object)) (type (org-element-property
> > :type link-object)) (path (org-element-property :path link-object))
> > (properties (list ... ... ... ... ... ... ... ... ... ... ... t)))
> > (org-remove-flyspell-overlays-in start end) (org-rear-nonsticky-at end)
> (if
> > (not (eq ... style)) (add-text-properties start end properties)
> > (remove-text-properties start end '...) (let (...) (add-text-properties
> > start visible-start hidden) (add-text-properties visible-start
> visible-end
> > properties) (add-text-properties visible-end end hidden)
> > (org-rear-nonsticky-at visible-start) (org-rear-nonsticky-at
> visible-end)))
> > (let ((f ...)) (if (functionp f) (progn ...))) (throw :exit t))))))
> >   (catch :exit (while (re-search-forward org-link-any-re limit t) (let*
> > ((start (match-beginning 0)) (end (match-end 0)) (visible-start (or
> > (match-beginning 3) (match-beginning 2))) (visible-end (or (match-end 3)
> > (match-end 2))) (style (cond ((eq 60 ...) 'angle) ((eq 91 ...) 'bracket)
> (t
> > 'plain)))) (if (and (memq style org-highlight-links) (not (string-match-p
> > org-element-paragraph-separate (match-string 0))) (not (and (eq style
> ...)
> > (let ... ...)))) (progn (let* ((link-object ...) (link ...) (type ...)
> > (path ...) (properties ...)) (org-remove-flyspell-overlays-in start end)
> > (org-rear-nonsticky-at end) (if (not ...) (add-text-properties start end
> > properties) (remove-text-properties start end ...) (let ... ... ... ...
> ...
> > ...)) (let (...) (if ... ...)) (throw :exit t)))))) nil)
> >   org-activate-links(17651)
> >   (while (org-activate-links (point-max)) (goto-char (match-end 0)))
> >   (save-excursion (while (org-activate-links (point-max)) (goto-char
> > (match-end 0))))
> >   (save-excursion (goto-char (point-min)) (save-excursion (while
> > (org-activate-links (point-max)) (goto-char (match-end 0)))) (if (eq
> > org-agenda-remove-tags t) nil (org-agenda-align-tags)) (if
> > org-agenda-with-colors nil (remove-text-properties (point-min)
> (point-max)
> > '(face nil))) (if (and (boundp 'org-overriding-columns-format)
> > org-overriding-columns-format) (progn (set (make-local-variable
> > 'org-local-columns-format) org-overriding-columns-format))) (if
> > org-agenda-view-columns-initially (progn (org-agenda-columns))) (if
> > org-agenda-fontify-priorities (progn (org-agenda-fontify-priorities)))
> (if
> > (and org-agenda-dim-blocked-tasks org-blocker-hook) (progn
> > (org-agenda-dim-blocked-tasks))) (org-agenda-mark-clocking-task) (if
> > org-agenda-entry-text-mode (progn (org-agenda-entry-text-hide)
> > (org-agenda-entry-text-show))) (if (and (featurep 'org-habit)
> > (save-excursion (next-single-property-change (point-min) 'org-habit-p)))
> > (progn (org-habit-insert-consistency-graphs))) (setq org-agenda-type
> > (org-get-at-bol 'org-agenda-type)) (if (or (eq
> > org-agenda-show-inherited-tags 'always) (and (listp
> > org-agenda-show-inherited-tags) (memq org-agenda-type
> > org-agenda-show-inherited-tags)) (and (eq org-agenda-show-inherited-tags
> t)
> > (or (eq org-agenda-use-tag-inheritance t) (and (listp
> > org-agenda-use-tag-inheritance) (not (memq org-agenda-type
> > org-agenda-use-tag-inheritance)))))) nil (let (mrk) (save-excursion
> > (goto-char (point-min)) (while (equal (forward-line) 0) (if (setq mrk
> > (get-text-property ... ...)) (progn (put-text-property ... ... ...
> > ...))))))) (setq org-agenda-represented-tags nil
> > org-agenda-represented-categories nil) (if org-agenda-top-headline-filter
> > (progn (org-agenda-filter-top-headline-apply
> > org-agenda-top-headline-filter))) (if org-agenda-tag-filter (progn
> > (org-agenda-filter-apply org-agenda-tag-filter 'tag t))) (if (get
> > 'org-agenda-tag-filter :preset-filter) (progn (org-agenda-filter-apply
> (get
> > 'org-agenda-tag-filter :preset-filter) 'tag t))) (if
> > org-agenda-category-filter (progn (org-agenda-filter-apply
> > org-agenda-category-filter 'category))) (if (get
> > 'org-agenda-category-filter :preset-filter) (progn
> (org-agenda-filter-apply
> > (get 'org-agenda-category-filter :preset-filter) 'category))) (if
> > org-agenda-regexp-filter (progn (org-agenda-filter-apply
> > org-agenda-regexp-filter 'regexp))) (if (get 'org-agenda-regexp-filter
> > :preset-filter) (progn (org-agenda-filter-apply (get
> > 'org-agenda-regexp-filter :preset-filter) 'regexp))) (if
> > org-agenda-effort-filter (progn (org-agenda-filter-apply
> > org-agenda-effort-filter 'effort))) (if (get 'org-agenda-effort-filter
> > :preset-filter) (progn (org-agenda-filter-apply (get
> > 'org-agenda-effort-filter :preset-filter) 'effort))) (add-hook
> > 'kill-buffer-hook 'org-agenda-reset-markers 'append 'local))
> >   (let ((inhibit-read-only t)) (save-excursion (goto-char (point-min))
> > (save-excursion (while (org-activate-links (point-max)) (goto-char
> > (match-end 0)))) (if (eq org-agenda-remove-tags t) nil
> > (org-agenda-align-tags)) (if org-agenda-with-colors nil
> > (remove-text-properties (point-min) (point-max) '(face nil))) (if (and
> > (boundp 'org-overriding-columns-format) org-overriding-columns-format)
> > (progn (set (make-local-variable 'org-local-columns-format)
> > org-overriding-columns-format))) (if org-agenda-view-columns-initially
> > (progn (org-agenda-columns))) (if org-agenda-fontify-priorities (progn
> > (org-agenda-fontify-priorities))) (if (and org-agenda-dim-blocked-tasks
> > org-blocker-hook) (progn (org-agenda-dim-blocked-tasks)))
> > (org-agenda-mark-clocking-task) (if org-agenda-entry-text-mode (progn
> > (org-agenda-entry-text-hide) (org-agenda-entry-text-show))) (if (and
> > (featurep 'org-habit) (save-excursion (next-single-property-change
> > (point-min) 'org-habit-p))) (progn
> (org-habit-insert-consistency-graphs)))
> > (setq org-agenda-type (org-get-at-bol 'org-agenda-type)) (if (or (eq
> > org-agenda-show-inherited-tags 'always) (and (listp
> > org-agenda-show-inherited-tags) (memq org-agenda-type
> > org-agenda-show-inherited-tags)) (and (eq org-agenda-show-inherited-tags
> t)
> > (or (eq org-agenda-use-tag-inheritance t) (and (listp
> > org-agenda-use-tag-inheritance) (not ...))))) nil (let (mrk)
> > (save-excursion (goto-char (point-min)) (while (equal (forward-line) 0)
> (if
> > (setq mrk ...) (progn ...)))))) (setq org-agenda-represented-tags nil
> > org-agenda-represented-categories nil) (if org-agenda-top-headline-filter
> > (progn (org-agenda-filter-top-headline-apply
> > org-agenda-top-headline-filter))) (if org-agenda-tag-filter (progn
> > (org-agenda-filter-apply org-agenda-tag-filter 'tag t))) (if (get
> > 'org-agenda-tag-filter :preset-filter) (progn (org-agenda-filter-apply
> (get
> > 'org-agenda-tag-filter :preset-filter) 'tag t))) (if
> > org-agenda-category-filter (progn (org-agenda-filter-apply
> > org-agenda-category-filter 'category))) (if (get
> > 'org-agenda-category-filter :preset-filter) (progn
> (org-agenda-filter-apply
> > (get 'org-agenda-category-filter :preset-filter) 'category))) (if
> > org-agenda-regexp-filter (progn (org-agenda-filter-apply
> > org-agenda-regexp-filter 'regexp))) (if (get 'org-agenda-regexp-filter
> > :preset-filter) (progn (org-agenda-filter-apply (get
> > 'org-agenda-regexp-filter :preset-filter) 'regexp))) (if
> > org-agenda-effort-filter (progn (org-agenda-filter-apply
> > org-agenda-effort-filter 'effort))) (if (get 'org-agenda-effort-filter
> > :preset-filter) (progn (org-agenda-filter-apply (get
> > 'org-agenda-effort-filter :preset-filter) 'effort))) (add-hook
> > 'kill-buffer-hook 'org-agenda-reset-markers 'append 'local)) (run-hooks
> > 'org-agenda-finalize-hook))
> >   (if org-agenda-multi nil (let ((inhibit-read-only t)) (save-excursion
> > (goto-char (point-min)) (save-excursion (while (org-activate-links
> > (point-max)) (goto-char (match-end 0)))) (if (eq org-agenda-remove-tags
> t)
> > nil (org-agenda-align-tags)) (if org-agenda-with-colors nil
> > (remove-text-properties (point-min) (point-max) '(face nil))) (if (and
> > (boundp 'org-overriding-columns-format) org-overriding-columns-format)
> > (progn (set (make-local-variable 'org-local-columns-format)
> > org-overriding-columns-format))) (if org-agenda-view-columns-initially
> > (progn (org-agenda-columns))) (if org-agenda-fontify-priorities (progn
> > (org-agenda-fontify-priorities))) (if (and org-agenda-dim-blocked-tasks
> > org-blocker-hook) (progn (org-agenda-dim-blocked-tasks)))
> > (org-agenda-mark-clocking-task) (if org-agenda-entry-text-mode (progn
> > (org-agenda-entry-text-hide) (org-agenda-entry-text-show))) (if (and
> > (featurep 'org-habit) (save-excursion (next-single-property-change
> > (point-min) 'org-habit-p))) (progn
> (org-habit-insert-consistency-graphs)))
> > (setq org-agenda-type (org-get-at-bol 'org-agenda-type)) (if (or (eq
> > org-agenda-show-inherited-tags 'always) (and (listp
> > org-agenda-show-inherited-tags) (memq org-agenda-type
> > org-agenda-show-inherited-tags)) (and (eq org-agenda-show-inherited-tags
> t)
> > (or (eq org-agenda-use-tag-inheritance t) (and ... ...)))) nil (let (mrk)
> > (save-excursion (goto-char (point-min)) (while (equal ... 0) (if ...
> > ...))))) (setq org-agenda-represented-tags nil
> > org-agenda-represented-categories nil) (if org-agenda-top-headline-filter
> > (progn (org-agenda-filter-top-headline-apply
> > org-agenda-top-headline-filter))) (if org-agenda-tag-filter (progn
> > (org-agenda-filter-apply org-agenda-tag-filter 'tag t))) (if (get
> > 'org-agenda-tag-filter :preset-filter) (progn (org-agenda-filter-apply
> (get
> > 'org-agenda-tag-filter :preset-filter) 'tag t))) (if
> > org-agenda-category-filter (progn (org-agenda-filter-apply
> > org-agenda-category-filter 'category))) (if (get
> > 'org-agenda-category-filter :preset-filter) (progn
> (org-agenda-filter-apply
> > (get 'org-agenda-category-filter :preset-filter) 'category))) (if
> > org-agenda-regexp-filter (progn (org-agenda-filter-apply
> > org-agenda-regexp-filter 'regexp))) (if (get 'org-agenda-regexp-filter
> > :preset-filter) (progn (org-agenda-filter-apply (get
> > 'org-agenda-regexp-filter :preset-filter) 'regexp))) (if
> > org-agenda-effort-filter (progn (org-agenda-filter-apply
> > org-agenda-effort-filter 'effort))) (if (get 'org-agenda-effort-filter
> > :preset-filter) (progn (org-agenda-filter-apply (get
> > 'org-agenda-effort-filter :preset-filter) 'effort))) (add-hook
> > 'kill-buffer-hook 'org-agenda-reset-markers 'append 'local)) (run-hooks
> > 'org-agenda-finalize-hook)))
> >   org-agenda-finalize()
> >   (let* ((span (org-agenda-ndays-to-span (or span org-agenda-span)))
> (today
> > (org-today)) (sd (or start-day today)) (ndays (org-agenda-span-to-ndays
> > span sd)) (org-agenda-start-on-weekday (and (or (eq ndays 7) (eq ndays
> 14))
> > org-agenda-start-on-weekday)) (thefiles (org-agenda-files nil 'ifmode))
> > (files thefiles) (start (if (or (null org-agenda-start-on-weekday) (<
> ndays
> > 7)) sd (let* ((nt ...) (n1 org-agenda-start-on-weekday) (d ...)) (- sd (+
> > ... d))))) (day-numbers (list start)) (day-cnt 0) (inhibit-redisplay (not
> > debug-on-error)) (org-agenda-show-log-scoped org-agenda-show-log) s e rtn
> > rtnall file date d start-pos end-pos todayp clocktable-start
> clocktable-end
> > filter) (setq org-agenda-redo-command (list 'org-agenda-list (list 'quote
> > arg) start-day (list 'quote span) with-hour)) (let ((--dotimes-limit--
> (1-
> > ndays)) (n 0)) (while (< n --dotimes-limit--) (setq day-numbers (cons (1+
> > (car day-numbers)) day-numbers)) (setq n (1+ n)))) (setq day-numbers
> > (nreverse day-numbers)) (setq clocktable-start (car day-numbers)
> > clocktable-end (1+ (or (org-last day-numbers) 0))) (set
> > (make-local-variable 'org-starting-day) (car day-numbers)) (set
> > (make-local-variable 'org-arg-loc) arg) (set (make-local-variable
> > 'org-agenda-current-span) (org-agenda-ndays-to-span span)) (if
> > org-agenda-compact-blocks nil (let* ((d1 (car day-numbers)) (d2 (org-last
> > day-numbers)) (w1 (org-days-to-iso-week d1)) (w2 (org-days-to-iso-week
> > d2))) (setq s (point)) (cond ((not org-agenda-overriding-header) (insert
> > (concat ... "-agenda" ... ":\n"))) ((equal org-agenda-overriding-header
> "")
> > nil) ((stringp org-agenda-overriding-header) (insert (propertize
> > org-agenda-overriding-header ... ...) "\n")) (t (user-error "Invalid
> value
> > for `org-agenda-overriding-hea..." org-agenda-overriding-header)))) (if
> (>
> > (point) s) (progn (add-text-properties s (1- (point)) (list 'face
> > 'org-agenda-structure 'org-date-line t)) (org-agenda-mark-header-line
> s))))
> > (while (setq d (car-safe (prog1 day-numbers (setq day-numbers (cdr
> > day-numbers))))) (setq date (calendar-gregorian-from-absolute d) s
> (point))
> > (if (or (setq todayp (= d today)) (and (not start-pos) (= d sd))) (setq
> > start-pos (point)) (if (and start-pos (not end-pos)) (progn (setq end-pos
> > (point))))) (setq files thefiles rtnall nil) (while (setq file (car-safe
> > (prog1 files (setq files ...)))) (catch 'nextfile (org-check-agenda-file
> > file) (let ((org-agenda-entry-types org-agenda-entry-types)) (if (member
> > :deadline* org-agenda-entry-types) (progn ...)) (if (member :scheduled*
> > org-agenda-entry-types) (progn ...)) (if with-hour (progn ... ...)) (if
> > org-agenda-include-deadlines nil (setq org-agenda-entry-types ...)) (cond
> > (... ...) (org-agenda-show-log-scoped ...) (t ...))) (setq rtnall (append
> > rtnall rtn)))) (if org-agenda-include-diary (progn (let
> > ((org-agenda-search-headline-for-time t)) (require 'diary-lib) (setq rtn
> > (org-get-entries-from-diary date)) (setq rtnall (append rtnall rtn)))))
> (if
> > (or rtnall org-agenda-show-all-dates) (progn (setq day-cnt (1+ day-cnt))
> > (insert (if (stringp org-agenda-format-date) (format-time-string
> > org-agenda-format-date ...) (funcall org-agenda-format-date date)) "\n")
> > (put-text-property s (1- (point)) 'face (org-agenda-get-day-face date))
> > (put-text-property s (1- (point)) 'org-date-line t) (put-text-property s
> > (1- (point)) 'org-agenda-date-header t) (put-text-property s (1- (point))
> > 'org-day-cnt day-cnt) (if todayp (progn (put-text-property s ... ... t)))
> > (setq rtnall (org-agenda-add-time-grid-maybe rtnall ndays todayp)) (if
> > rtnall (progn (insert ... "\n"))) (put-text-property s (1- (point)) 'day
> d)
> > (put-text-property s (1- (point)) 'org-day-cnt day-cnt)))) (if (and
> > org-agenda-clockreport-mode clocktable-start) (progn (let
> > ((org-agenda-files (org-agenda-files nil ...)) (p (copy-sequence
> > org-agenda-clockreport-parameter-plist)) tbl) (setq p (org-plist-delete p
> > :block)) (setq p (plist-put p :tstart clocktable-start)) (setq p
> (plist-put
> > p :tend clocktable-end)) (setq p (plist-put p :scope 'agenda)) (setq tbl
> > (apply 'org-clock-get-clocktable p)) (insert tbl)))) (goto-char
> > (point-min)) (or org-agenda-multi (org-agenda-fit-window-to-buffer)) (if
> > (or (not (get-buffer-window org-agenda-buffer-name)) (and
> > (pos-visible-in-window-p (point-min)) (pos-visible-in-window-p
> > (point-max)))) nil (goto-char (1- (point-max))) (recenter -1) (if (not
> > (pos-visible-in-window-p (or start-pos 1))) (progn (goto-char (or
> start-pos
> > 1)) (recenter 1)))) (goto-char (or start-pos 1)) (add-text-properties
> > (point-min) (point-max) (list 'org-agenda-type 'agenda 'org-last-args
> (list
> > arg start-day span) 'org-redo-cmd org-agenda-redo-command 'org-series-cmd
> > org-cmd)) (if (eq org-agenda-show-log-scoped 'clockcheck) (progn
> > (org-agenda-show-clocking-issues))) (org-agenda-finalize) (setq
> > buffer-read-only t) (message ""))
> >   (catch 'exit (setq org-agenda-buffer-name (or
> org-agenda-buffer-tmp-name
> > (and org-agenda-doing-sticky-redo org-agenda-buffer-name) (if
> > org-agenda-sticky (progn (cond (... ...) (org-keys ...) (t "*Org
> > Agenda(a)*")))) "*Org Agenda*")) (org-agenda-prepare "Day/Week") (setq
> > start-day (or start-day org-agenda-start-day)) (if (stringp start-day)
> > (progn (setq start-day (time-to-days (org-read-date nil t start-day)))))
> > (org-compile-prefix-format 'agenda) (org-set-sorting-strategy 'agenda)
> > (let* ((span (org-agenda-ndays-to-span (or span org-agenda-span))) (today
> > (org-today)) (sd (or start-day today)) (ndays (org-agenda-span-to-ndays
> > span sd)) (org-agenda-start-on-weekday (and (or (eq ndays 7) (eq ndays
> 14))
> > org-agenda-start-on-weekday)) (thefiles (org-agenda-files nil 'ifmode))
> > (files thefiles) (start (if (or (null org-agenda-start-on-weekday) (<
> ndays
> > 7)) sd (let* (... ... ...) (- sd ...)))) (day-numbers (list start))
> > (day-cnt 0) (inhibit-redisplay (not debug-on-error))
> > (org-agenda-show-log-scoped org-agenda-show-log) s e rtn rtnall file
> date d
> > start-pos end-pos todayp clocktable-start clocktable-end filter) (setq
> > org-agenda-redo-command (list 'org-agenda-list (list 'quote arg)
> start-day
> > (list 'quote span) with-hour)) (let ((--dotimes-limit-- (1- ndays)) (n
> 0))
> > (while (< n --dotimes-limit--) (setq day-numbers (cons (1+ ...)
> > day-numbers)) (setq n (1+ n)))) (setq day-numbers (nreverse day-numbers))
> > (setq clocktable-start (car day-numbers) clocktable-end (1+ (or (org-last
> > day-numbers) 0))) (set (make-local-variable 'org-starting-day) (car
> > day-numbers)) (set (make-local-variable 'org-arg-loc) arg) (set
> > (make-local-variable 'org-agenda-current-span) (org-agenda-ndays-to-span
> > span)) (if org-agenda-compact-blocks nil (let* ((d1 (car day-numbers))
> (d2
> > (org-last day-numbers)) (w1 (org-days-to-iso-week d1)) (w2
> > (org-days-to-iso-week d2))) (setq s (point)) (cond ((not
> > org-agenda-overriding-header) (insert ...)) ((equal
> > org-agenda-overriding-header "") nil) ((stringp
> > org-agenda-overriding-header) (insert ... "\n")) (t (user-error "Invalid
> > value for `org-agenda-overriding-hea..." org-agenda-overriding-header))))
> > (if (> (point) s) (progn (add-text-properties s (1- ...) (list ... ...
> ...
> > t)) (org-agenda-mark-header-line s)))) (while (setq d (car-safe (prog1
> > day-numbers (setq day-numbers ...)))) (setq date
> > (calendar-gregorian-from-absolute d) s (point)) (if (or (setq todayp (= d
> > today)) (and (not start-pos) (= d sd))) (setq start-pos (point)) (if (and
> > start-pos (not end-pos)) (progn (setq end-pos ...)))) (setq files
> thefiles
> > rtnall nil) (while (setq file (car-safe (prog1 files ...))) (catch
> > 'nextfile (org-check-agenda-file file) (let (...) (if ... ...) (if ...
> ...)
> > (if with-hour ...) (if org-agenda-include-deadlines nil ...) (cond ...
> ...
> > ...)) (setq rtnall (append rtnall rtn)))) (if org-agenda-include-diary
> > (progn (let (...) (require ...) (setq rtn ...) (setq rtnall ...)))) (if
> (or
> > rtnall org-agenda-show-all-dates) (progn (setq day-cnt (1+ day-cnt))
> > (insert (if ... ... ...) "\n") (put-text-property s (1- ...) 'face
> > (org-agenda-get-day-face date)) (put-text-property s (1- ...)
> > 'org-date-line t) (put-text-property s (1- ...) 'org-agenda-date-header
> t)
> > (put-text-property s (1- ...) 'org-day-cnt day-cnt) (if todayp (progn
> ...))
> > (setq rtnall (org-agenda-add-time-grid-maybe rtnall ndays todayp)) (if
> > rtnall (progn ...)) (put-text-property s (1- ...) 'day d)
> > (put-text-property s (1- ...) 'org-day-cnt day-cnt)))) (if (and
> > org-agenda-clockreport-mode clocktable-start) (progn (let
> > ((org-agenda-files ...) (p ...) tbl) (setq p (org-plist-delete p :block))
> > (setq p (plist-put p :tstart clocktable-start)) (setq p (plist-put p
> :tend
> > clocktable-end)) (setq p (plist-put p :scope ...)) (setq tbl (apply ...
> p))
> > (insert tbl)))) (goto-char (point-min)) (or org-agenda-multi
> > (org-agenda-fit-window-to-buffer)) (if (or (not (get-buffer-window
> > org-agenda-buffer-name)) (and (pos-visible-in-window-p (point-min))
> > (pos-visible-in-window-p (point-max)))) nil (goto-char (1- (point-max)))
> > (recenter -1) (if (not (pos-visible-in-window-p (or start-pos 1))) (progn
> > (goto-char (or start-pos 1)) (recenter 1)))) (goto-char (or start-pos 1))
> > (add-text-properties (point-min) (point-max) (list 'org-agenda-type
> 'agenda
> > 'org-last-args (list arg start-day span) 'org-redo-cmd
> > org-agenda-redo-command 'org-series-cmd org-cmd)) (if (eq
> > org-agenda-show-log-scoped 'clockcheck) (progn
> > (org-agenda-show-clocking-issues))) (org-agenda-finalize) (setq
> > buffer-read-only t) (message "")))
> >   org-agenda-list(nil nil day nil)
> >   (let nil (org-agenda-list 'nil nil 'day nil))
> >   eval((let nil (org-agenda-list 'nil nil 'day nil)))
> >   org-let(nil (org-agenda-list 'nil nil 'day nil))
> >   (if series-redo-cmd (eval series-redo-cmd) (org-let lprops redo-cmd))
> >   (let* ((p (or (and (looking-at "\\'") (1- (point))) (point))) (cpa (if
> > (eq all t) nil current-prefix-arg)) (org-agenda-doing-sticky-redo
> > org-agenda-sticky) (org-agenda-sticky nil) (org-agenda-buffer-name (or
> > org-agenda-this-buffer-name org-agenda-buffer-name))
> (org-agenda-keep-modes
> > t) (tag-filter org-agenda-tag-filter) (tag-preset (get
> > 'org-agenda-tag-filter :preset-filter)) (top-hl-filter
> > org-agenda-top-headline-filter) (cat-filter org-agenda-category-filter)
> > (cat-preset (get 'org-agenda-category-filter :preset-filter)) (re-filter
> > org-agenda-regexp-filter) (re-preset (get 'org-agenda-regexp-filter
> > :preset-filter)) (effort-filter org-agenda-effort-filter) (effort-preset
> > (get 'org-agenda-effort-filter :preset-filter))
> > (org-agenda-tag-filter-while-redo (or tag-filter tag-preset)) (cols
> > org-agenda-columns-active) (line (org-current-line)) (window-line (- line
> > (org-current-line (window-start)))) (lprops (get 'org-agenda-redo-command
> > 'org-lprops)) (redo-cmd (get-text-property p 'org-redo-cmd)) (last-args
> > (get-text-property p 'org-last-args)) (org-agenda-overriding-cmd
> > (get-text-property p 'org-series-cmd))
> (org-agenda-overriding-cmd-arguments
> > (if (eq all t) nil (cond ((listp last-args) (cons (or cpa ...) (cdr
> > last-args))) ((stringp last-args) last-args)))) (series-redo-cmd
> > (get-text-property p 'org-series-redo-cmd))) (put 'org-agenda-tag-filter
> > :preset-filter nil) (put 'org-agenda-category-filter :preset-filter nil)
> > (put 'org-agenda-regexp-filter :preset-filter nil) (put
> > 'org-agenda-effort-filter :preset-filter nil) (and cols
> (org-columns-quit))
> > (message "Rebuilding agenda buffer...") (if series-redo-cmd (eval
> > series-redo-cmd) (org-let lprops redo-cmd)) (setq org-agenda-undo-list
> nil
> > org-agenda-pending-undo-list nil org-agenda-tag-filter tag-filter
> > org-agenda-category-filter cat-filter org-agenda-regexp-filter re-filter
> > org-agenda-effort-filter effort-filter org-agenda-top-headline-filter
> > top-hl-filter) (message "Rebuilding agenda buffer...done") (put
> > 'org-agenda-tag-filter :preset-filter tag-preset) (put
> > 'org-agenda-category-filter :preset-filter cat-preset) (put
> > 'org-agenda-regexp-filter :preset-filter re-preset) (put
> > 'org-agenda-effort-filter :preset-filter effort-preset) (let ((tag (or
> > tag-filter tag-preset)) (cat (or cat-filter cat-preset)) (effort (or
> > effort-filter effort-preset)) (re (or re-filter re-preset))) (if tag
> (progn
> > (org-agenda-filter-apply tag 'tag t))) (if cat (progn
> > (org-agenda-filter-apply cat 'category))) (if effort (progn
> > (org-agenda-filter-apply effort 'effort))) (if re (progn
> > (org-agenda-filter-apply re 'regexp)))) (and top-hl-filter
> > (org-agenda-filter-top-headline-apply top-hl-filter)) (and cols
> > (called-interactively-p 'any) (org-agenda-columns)) (org-goto-line line)
> > (recenter window-line))
> >   org-agenda-redo(t)
> >   (if exhaustive (let ((--dolist-tail-- (buffer-list)) buffer) (while
> > --dolist-tail-- (setq buffer (car --dolist-tail--)) (save-current-buffer
> > (set-buffer buffer) (if (derived-mode-p 'org-agenda-mode) (progn
> > (org-agenda-redo t)))) (setq --dolist-tail-- (cdr --dolist-tail--))))
> > (org-agenda-redo t))
> >   org-agenda-redo-all(nil)
> >   funcall-interactively(org-agenda-redo-all nil)
> >   call-interactively(org-agenda-redo-all nil nil)
> >   command-execute(org-agenda-redo-all)
> > ```
> >
> > [stardiviner]           <Hack this world!>      GPG key ID: 47C32433
> > IRC(freeenode): stardiviner                     Twitter:  @numbchild
> > Key fingerprint = 9BAA 92BC CDDD B9EF 3B36  CB99 B8C4 B8E5 47C3 2433
> > Blog: http://stardiviner.github.io/
> >
> >
> > On Fri, Aug 14, 2020 at 1:15 PM Ihor Radchenko <yantar92@gmail.com>
> wrote:
> >
> >> > I want to get around this problem. So need to know how to detect
> >> currently
> >> > in logbook drawer or something else which used to record clocking
> note,
> >> > `org-add-note`, etc.
> >>
> >> You may try to use `org-logbook-drawer-re'.
> >>
> >> > When I toggle org-log-mode and related options in org-agenda buffer. I
> >> > found my org-link-beautify will caused long time suspend and no stop.
> >> After
> >> > debug, I found org-link-beautify text-property caused this problem.
> >>
> >> Could you provide more details how your text property is causing the
> >> problem in org-agenda? Which function in agenda is slow?
> >>
> >> Best,
> >> Ihor
> >>
> >>
> >> "numbchild@gmail.com" <numbchild@gmail.com> writes:
> >>
> >> > I have a org-mode extension:
> >> >
> >>
> https://github.com/stardiviner/org-link-beautify/blob/master/org-link-beautify.el#L71
> >> >
> >> > It will beautify links with text-properties.
> >> >
> >> > When I toggle org-log-mode and related options in org-agenda buffer. I
> >> > found my org-link-beautify will caused long time suspend and no stop.
> >> After
> >> > debug, I found org-link-beautify text-property caused this problem.
> >> >
> >> > I want to get around this problem. So need to know how to detect
> >> currently
> >> > in logbook drawer or something else which used to record clocking
> note,
> >> > `org-add-note`, etc.
> >> >
> >> > Or maybe org-agenda upstream can do something to work around this
> >> > text-properties issue?
> >> >
> >> > [stardiviner]           <Hack this world!>      GPG key ID: 47C32433
> >> > IRC(freeenode): stardiviner                     Twitter:  @numbchild
> >> > Key fingerprint = 9BAA 92BC CDDD B9EF 3B36  CB99 B8C4 B8E5 47C3 2433
> >> > Blog: http://stardiviner.github.io/
> >>
>