From ddfe66d3ede0c5fa01f4e1fd4285538ba2c8e206 Mon Sep 17 00:00:00 2001
From: Han-Wen Nienhuys <hanwen@xs4all.nl>
Date: Sun, 31 Dec 2006 17:01:44 +0100
Subject: [PATCH] support -ddump-profile
---
scm/lily.scm | 43 ++++++++++++++++++++++++++++++++++++-------
1 file changed, 36 insertions(+), 7 deletions(-)
diff --git a/scm/lily.scm b/scm/lily.scm
index a403861990..bd6a95be44 100644
--- a/scm/lily.scm
+++ b/scm/lily.scm
@@ -29,8 +29,9 @@ ensure that all refs to parsed objects are dead. This is an internal option, an
(debug-skylines #f "debug skylines")
(delete-intermediate-files #f
"delete unusable PostScript files")
- (dump-signatures #f "dump output signatures of each system")
+ (dump-profile #f "dump timing information for each file")
(dump-tweaks #f "dump page layout and tweaks for each score having the tweak-key layout property set.")
+ (dump-signatures #f "dump output signatures of each system")
(eps-box-padding #f "Pad EPS bounding box left edge by this much to guarantee alignment between systems")
@@ -350,6 +351,33 @@ The syntax is the same as `define*-public'."
(,symbol? . "symbol")
(,vector? . "vector")))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; timing
+
+(define (profile-measurements)
+ (let* ((t (times))
+ (stats (gc-stats)))
+
+ (list
+ (- (+ (tms:utime t)
+ (tms:stime t))
+ (ly:assoc-get 'gc-time-taken stats))
+
+ ;; difficult to put memory amount stats into here.
+
+ )))
+
+(define (dump-profile name last this)
+ (let*
+ ((outname (format "~a.profile" (basename name ".ly")))
+ (diff (map (lambda (y) (apply - y)) (zip this last))))
+
+ (display diff)
+ (ly:progress "\nWriting timing to ~a..." outname)
+ (format (open-file outname "w")
+ "time: ~a"
+ (car diff))))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; debug mem leaks
@@ -542,19 +570,20 @@ The syntax is the same as `define*-public'."
))
(let* ((failed '())
- (first #t)
+ (start-measurements #f)
(handler (lambda (key failed-file)
(set! failed (append (list failed-file) failed)))))
(for-each
(lambda (x)
- ;; We don't carry info across file boundaries
- (if first
- (set! first #f)
- (gc))
-
+ (gc)
+ (set! start-measurements (profile-measurements))
(lilypond-file handler x)
+ (if (ly:get-option 'dump-profile)
+ (dump-profile x start-measurements (profile-measurements)))
+
+
(ly:clear-anonymous-modules)
(if (ly:get-option 'debug-gc)
(dump-gc-protects)
--
2.39.5