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allow cycling through 1, 5 and 15 minutes load averages
From: |
Pavel Janík |
Subject: |
allow cycling through 1, 5 and 15 minutes load averages |
Date: |
Sat, 15 Dec 2001 10:42:46 +0100 |
User-agent: |
Gnus/5.090004 (Oort Gnus v0.04) Emacs/21.1.50 (i386-suse-linux-gnu) |
Hi,
any objections against this? Can I use customized variable as a variable
reflecting the current state or should I use it only as a default value for
another variable? Should the default be customizable at all? What do you
think?
2001-12-15 Pavel Janík <address@hidden>
These changes allow cycling through past 1, 5 and 15 minutes
load-average displayed in the mode-line.
* time.el (display-time-load-average): New customizable option.
(display-time-cycle-load-average): New function.
(display-time-update): Use them.
--- time.el.~1.70.~ Mon Oct 29 20:06:53 2001
+++ time.el Sat Dec 15 10:35:43 2001
@@ -51,6 +51,15 @@
(function))
:group 'display-time)
+(defcustom display-time-load-average 0
+ "*Which load-average value will be shown in the mode-line.
+Almost every system can provide values of load for past 1 minute, past 5 or
+past 15 minutes. The default is to display 1 minute load average."
+ :type '(choice (const :tag "1 minute load" 0)
+ (const :tag "5 minutes load" 1)
+ (const :tag "15 minutes load" 2))
+ :group 'display-time)
+
;;;###autoload
(defcustom display-time-day-and-date nil "\
*Non-nil means \\[display-time] should display day and date as well as time."
@@ -191,6 +200,13 @@
display-time-interval)
(timer-activate timer)))))
+(defun display-time-next-load-average ()
+ (interactive)
+ (if (= 3 (setq display-time-load-average (1+ display-time-load-average)))
+ (setq display-time-load-average 0))
+ (display-time-update)
+ (sit-for 0))
+
;; Update the display-time info for the mode line
;; but don't redisplay right now. This is used for
;; things like Rmail `g' that want to force an update
@@ -199,13 +215,20 @@
(let* ((now (current-time))
(time (current-time-string now))
(load (condition-case ()
- (if (zerop (car (load-average))) ""
+ (if (zerop (nth display-time-load-average (load-average)))
""
;; The load average number is mysterious, so
- ;; propvide some help.
- (let ((str (format " %03d" (car (load-average)))))
+ ;; provide some help.
+ (let ((str (format " %03d" (nth display-time-load-average
(load-average)))))
(propertize
(concat (substring str 0 -2) "." (substring str -2))
- 'help-echo "System load average")))
+ 'local-map (make-mode-line-mouse-map 'mouse-2
+
'display-time-next-load-average)
+ 'help-echo (concat "System load average for past "
+ (if (= 0 display-time-load-average)
+ "1 minute"
+ (if (= 1 display-time-load-average)
+ "5 minutes"
+ "15 minutes")) "; mouse-2: next"
))))
(error "")))
(mail-spool-file (or display-time-mail-file
(getenv "MAIL")
--
Pavel Janík
Architect: Someone who knows the difference between that which could be
done and that which should be done.
-- Larry McVoy
- allow cycling through 1, 5 and 15 minutes load averages,
Pavel Janík <=