Commit 61548252 authored by Roland Winkler's avatar Roland Winkler
Browse files

(proced-command-alist): Fix system-type values. Fix defcustom.

(proced-sorting-schemes-alist, proced-sorting-scheme): New variables.
(proced-sort-pcpu, proced-sort-pmem, proced-sort-pid)
(proced-sort-start, proced-sort, proced-sort-time): New commands.
(proced-update): Use proced-sorting-scheme.  Update modeline.
(proced-send-signal): Use nreverse.
(proced-sorting-scheme-p): New function.
parent 725aff3c
......@@ -30,7 +30,8 @@
;; on the processes listed.
;; To do:
;; - sort by CPU time or other criteria
;; - sort the "cooked" values used in the output format fields
;; if ps(1) doesn't support the requested sorting scheme
;; - filter by user name or other criteria
;; - automatic update of process list
......@@ -49,12 +50,12 @@
(regexp :tag "regexp")))
(defcustom proced-command-alist
(cond ((memq system-type '(berkeley-unix netbsd))
(cond ((memq system-type '(berkeley-unix))
'(("user" ("ps" "-uxgww") 2)
("user-running" ("ps" "-uxrgww") 2)
("all" ("ps" "-auxgww") 2)
("all-running" ("ps" "-auxrgww") 2)))
((memq system-type '(linux lignux gnu/linux))
((memq system-type '(gnu gnu/linux)) ; BSD syntax
`(("user" ("ps" "uxwww") 2)
("user-running" ("ps" "uxrwww") 2)
("all" ("ps" "auxwww") 2)
......@@ -65,7 +66,7 @@
((memq system-type '(darwin))
`(("user" ("ps" "-u" ,(number-to-string (user-uid))) 2)
("all" ("ps" "-Au") 2)))
(t ; standard syntax doesn't allow us to list running processes only
(t ; standard UNIX syntax; doesn't allow to list running processes only
`(("user" ("ps" "-fu" ,(number-to-string (user-uid))) 2)
("all" ("ps" "-ef") 2))))
"Alist of commands to get list of processes.
......@@ -80,8 +81,42 @@ PID-COLUMN is the column number (starting from 1) of the process ID."
:type '(repeat (group (string :tag "name")
(cons (string :tag "command")
(repeat (string :tag "option")))
(integer :tag "PID column")
(option (integer :tag "sort column")))))
(integer :tag "PID column"))))
;; Should we incorporate in NAME if sorting is done in descending order?
(defcustom proced-sorting-schemes-alist
(cond ((memq system-type '(gnu gnu/linux)) ; GNU long options
'(("%CPU" "--sort" "-pcpu") ; descending order
("%MEM" "--sort" "-pmem") ; descending order
("COMMAND" "--sort" "args")
("PID" "--sort" "pid")
("PGID,PID" "--sort" "pgid,pid")
("PPID,PID" "--sort" "ppid,pid")
("RSS" "--sort" "rss,pid") ; equal RSS's are rare
("STAT,PID" "--sort" "stat,pid")
("START" "--sort" "start_time")
("TIME" "--sort" "cputime")
("TTY,PID" "--sort" "tty,pid")
("UID,PID" "--sort" "uid,pid")
("USER,PID" "--sort" "user,pid")
("VSZ,PID" "--sort" "vsz,pid"))))
"Alist of sorting schemes.
Each element is a list (NAME OPTION1 OPTION2 ...).
NAME denotes the sorting scheme and OPTION1, OPTION2, ... are options
defining the sorting scheme."
:group 'proced
:type '(repeat (cons (string :tag "name")
(repeat (string :tag "option")))))
(defcustom proced-sorting-scheme nil
"Proced sorting type.
Must be the car of an element of `proced-sorting-schemes-alist' or nil."
:group 'proced
:type `(choice ,@(append '((const nil)) ; sorting type may be nil
(mapcar (lambda (item)
(list 'const (car item)))
(make-variable-buffer-local 'proced-sorting-scheme)
(defcustom proced-command (if (zerop (user-real-uid)) "all" "user")
"Name of process listing.
......@@ -186,6 +221,12 @@ Initialized based on `proced-procname-column-regexp'.")
(define-key km "l" 'proced-listing-type)
(define-key km "g" 'revert-buffer) ; Dired compatibility
(define-key km "q" 'quit-window)
(define-key km "sc" 'proced-sort-pcpu)
(define-key km "sm" 'proced-sort-pmem)
(define-key km "sp" 'proced-sort-pid)
(define-key km "ss" 'proced-sort-start)
(define-key km "sS" 'proced-sort)
(define-key km "st" 'proced-sort-time)
(define-key km [remap undo] 'proced-undo)
(define-key km [remap advertised-undo] 'proced-undo)
......@@ -200,6 +241,13 @@ Initialized based on `proced-procname-column-regexp'.")
["Unmark All" proced-unmark-all t]
["Toggle Marks" proced-unmark-all t]
["Sort" proced-sort t]
["Sort by %CPU" proced-sort-pcpu (proced-sorting-scheme-p "%CPU")]
["Sort by %MEM" proced-sort-pmem (proced-sorting-scheme-p "%MEM")]
["Sort by PID" proced-sort-pid (proced-sorting-scheme-p "PID")]
["Sort by START" proced-sort-start (proced-sorting-scheme-p "START")]
["Sort by TIME" proced-sort-time (proced-sorting-scheme-p "TIME")]
["Hide Marked Processes" proced-hide-processes t]
["Revert" revert-buffer t]
......@@ -211,9 +259,11 @@ Initialized based on `proced-procname-column-regexp'.")
"Help string for proced.")
(defun proced-marker-regexp ()
"Return regexp matching `proced-marker-char'."
(concat "^" (regexp-quote (char-to-string proced-marker-char))))
(defun proced-success-message (action count)
"Display success message for ACTION performed for COUNT processes."
(message "%s %s process%s" action count (if (= 1 count) "" "es")))
(defun proced-move-to-procname ()
......@@ -258,21 +308,20 @@ information will be displayed but not selected.
(interactive "P")
(let ((proced-buffer (get-buffer-create "*Process Info*")) new)
(set-buffer proced-buffer)
(let ((buffer (get-buffer-create "*Process Info*")) new)
(set-buffer buffer)
(setq new (zerop (buffer-size)))
(when new (proced-mode))
(if new (proced-mode))
(if (or new arg)
(if arg
(display-buffer proced-buffer)
(pop-to-buffer proced-buffer)
(display-buffer buffer)
(pop-to-buffer buffer)
(message (substitute-command-keys
"type \\[quit-window] to quit, \\[proced-help] for help")))))
(defun proced-mark (&optional count)
"Mark the current (or next COUNT) processes."
(interactive "p")
......@@ -285,6 +334,8 @@ information will be displayed but not selected.
(defun proced-unmark-backward (&optional count)
"Unmark the previous (or COUNT previous) processes."
;; Analogous to `dired-unmark-backward',
;; but `ibuffer-unmark-backward' behaves different.
(interactive "p")
(proced-do-mark nil (- (or count 1))))
......@@ -396,7 +447,7 @@ Returns count of hidden lines."
;; This is the main function that generates and updates the process listing.
(or quiet (message "Updating process information..."))
(let* ((command (cdr (assoc proced-command proced-command-alist)))
(let* ((command (cadr (assoc proced-command proced-command-alist)))
(regexp (concat (proced-skip-regexp) "\\s-+\\([0-9]+\\>\\)"))
(old-pos (if (save-excursion
......@@ -411,7 +462,9 @@ Returns count of hidden lines."
(match-string-no-properties 1)) plist))
;; generate new listing
(apply 'call-process (caar command) nil t nil (cdar command))
(apply 'call-process (car command) nil t nil
(append (cdr command) (cdr (assoc proced-sorting-scheme
(goto-char (point-min))
(while (not (eobp))
(insert " ")
......@@ -447,6 +500,12 @@ Returns count of hidden lines."
(forward-char (cdr old-pos)))
;; update modeline
(setq mode-name (if proced-sorting-scheme
(concat "Proced by " proced-sorting-scheme)
;; done
(or quiet (input-pending-p)
(message "Updating process information...done."))))
......@@ -476,6 +535,7 @@ If SIGNAL is nil display marked processes and query interactively for SIGNAL."
;; and the command name?
(substring (match-string-no-properties 0) 2))
(setq plist (nreverse plist))
(if (not plist)
(message "No processes marked")
(unless signal
......@@ -555,6 +615,52 @@ buffer. You can use it to recover marks."
(message "Change in proced buffer undone.
Killed processes cannot be recovered by Emacs."))
;;; Sorting
(defun proced-sort (scheme)
"Sort Proced buffer using SCHEME.
When called interactively, an empty string means nil, i.e., no sorting."
(list (let* ((completion-ignore-case t)
(scheme (completing-read "Sorting type: "
proced-sorting-schemes-alist nil t)))
(if (string= "" scheme) nil scheme))))
(if (proced-sorting-scheme-p scheme)
(setq proced-sorting-scheme scheme)
(error "Proced sorting scheme %s undefined" scheme)))
(defun proced-sorting-scheme-p (scheme)
"Return non-nil if SCHEME is an applicable sorting scheme.
SCHEME must be a string or nil."
(or (not scheme)
(assoc scheme proced-sorting-schemes-alist)))
(defun proced-sort-pcpu ()
"Sort Proced buffer by percentage CPU time (%CPU)."
(proced-sort "%CPU"))
(defun proced-sort-pmem ()
"Sort Proced buffer by percentage memory usage (%MEM)."
(proced-sort "%MEM"))
(defun proced-sort-pid ()
"Sort Proced buffer by PID."
(proced-sort "PID"))
(defun proced-sort-start ()
"Sort Proced buffer by time the command started (START)."
(proced-sort "START"))
(defun proced-sort-time ()
"Sort Proced buffer by cumulative CPU time (TIME)."
(proced-sort "TIME"))
(provide 'proced)
;; arch-tag: a6e312ad-9032-45aa-972d-31a8cfc545af
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