memory-tracing refinements.

[lilypond.git] / scm / memory-trace.scm

diff --git a/scm/memory-trace.scm b/scm/memory-trace.scm
index 100e1f233a3286a653779d6403cdaf06aafd9932..dd86c491078a2f90e40cff2268062deb8f7627c6 100644 (file)
--- a/scm/memory-trace.scm
+++ b/scm/memory-trace.scm
@@ -1,6 +1,6 @@
 (define-module (scm memory-trace))
 
-
+(use-modules (ice-9 format))
 (define-public (mtrace:start-trace freq)
   (set! usecond-interval (inexact->exact (/ 1000000 freq)))
   (call-with-new-thread start-install-tracepoint))
@@ -8,7 +8,7 @@
 (define-public (mtrace:stop-trace)
   (set! continue-tracing #f))
 
-(define-public mtrace:trace-depth 8)
+(define-public mtrace:trace-depth 12)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
@@ -19,6 +19,11 @@
 
 (define trace-count 0)
 (define usecond-interval 100000)
+(define (arg-procedure args)
+  (if (and (pair? args)
+          (pair? (cdr args))
+          (pair? (cadr args)))
+      (caadr args) #f))
 
 (define (record-stack key continuation . args)
   (if (eq? (current-thread) trace-thread)
@@ -31,8 +36,11 @@
 
        (set! trace-points
              (cons (list
-                    (assoc 'total-cells-allocated  (gc-stats))
-                    (cons 'stack (extract-trace continuation)))
+                    (assoc 'total-cells-allocated (gc-stats))
+                    (cons 'stack (extract-trace continuation))
+                    (cons 'proc (arg-procedure args))
+                    )
+                   
                    trace-points))
 
        (set! busy-tracing #f))))
@@ -57,20 +65,32 @@
   (define out (open-output-file (format #f "~a.graph" base)))
   (define stacks-out (open-output-file (format #f "~a.stacks" base)))
   (define i 0)
-
+  (define last-mem 0) 
   (format out "# memory trace with ~a points\n" (length trace-points))
   
   (for-each
    (lambda (r)
-     (format out "~a ~a\n" i
-            (cdr (assoc 'total-cells-allocated r)))
-
-     (if (assoc 'stack r)
-        (format stacks-out "~a: ~a\n"
-                i
-                (cdr (assoc 'stack r))))
-     
-     (set! i (1+ i)))
+     (let*
+        ((mem (cdr (assoc 'total-cells-allocated r)))
+         (proc (cdr (assoc 'proc r)))
+         (stack (cdr (assoc 'stack r))))
+       
+       (format out "~a ~a\n" i mem)
+       (if stack
+          (begin
+            (format stacks-out "~15a - delta-mem: ~15a - ~a \n" i
+                    (- mem last-mem) proc)
+            (do
+                ((j 0 (1+ j))
+                 (stack (cdr (assoc 'stack r)) stack))
+                ((>= j (vector-length stack)))
+              
+              (format stacks-out "\t~a\n"
+                      (vector-ref stack j)))))
+       
+       (set! i (1+ i))
+       (set! last-mem mem)
+       ))
    (reverse trace-points)))