elisp @@ macro

[bpt/guile.git] / gc-benchmarks / gc-profile.scm

diff --git a/gc-benchmarks/gc-profile.scm b/gc-benchmarks/gc-profile.scm
index 002bfc5..d95e295 100755 (executable)
--- a/gc-benchmarks/gc-profile.scm
+++ b/gc-benchmarks/gc-profile.scm
@@ -3,22 +3,22 @@
 exec ${GUILE-guile} --no-debug -q -l "$0" \
                     -c '(apply main (cdr (command-line)))' "$@"
 !#
-;;; Copyright (C) 2008 Free Software Foundation, Inc.
+;;; Copyright (C) 2008, 2011 Free Software Foundation, Inc.
 ;;;
-;;; This program is free software; you can redistribute it and/or modify
-;;; it under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 2, or (at your option)
-;;; any later version.
+;;; This program is free software; you can redistribute it and/or
+;;; modify it under the terms of the GNU Lesser General Public License
+;;; as published by the Free Software Foundation; either version 3, or
+;;; (at your option) any later version.
 ;;;
 ;;; This program is distributed in the hope that it will be useful,
 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;; GNU General Public License for more details.
+;;; GNU Lesser General Public License for more details.
 ;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with this software; see the file COPYING.  If not, write to
-;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;;; Boston, MA 02110-1301 USA
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with this software; see the file COPYING.LESSER.  If
+;;; not, write to the Free Software Foundation, Inc., 51 Franklin
+;;; Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 (use-modules (ice-9 format)
              (ice-9 rdelim)
@@ -38,13 +38,18 @@ memory mapping of process @var{pid}.  This information is obtained by reading
 @file{/proc/PID/smaps} on Linux.  See `procs(5)' for details."
 
   (define mapping-line-rx
+    ;; As of Linux 2.6.32.28, an `smaps' line looks like this:
+    ;; "00400000-00401000 r-xp 00000000 fe:00 108264 /home/ludo/soft/bin/guile"
     (make-regexp
-     "^([[:xdigit:]]+)-([[:xdigit:]]+) ([rwx-]{3}[ps]) ([[:xdigit:]]+) [0-9]{2}:[0-9]{2} [0-9]+[[:blank:]]+(.*)$"))
+     "^([[:xdigit:]]+)-([[:xdigit:]]+) ([rwx-]{3}[ps]) ([[:xdigit:]]+) [[:xdigit:]]{2}:[[:xdigit:]]{2} [0-9]+[[:blank:]]+(.*)$"))
 
   (define rss-line-rx
     (make-regexp
      "^Rss:[[:blank:]]+([[:digit:]]+) kB$"))
 
+  (if (not (string-contains %host-type "-linux-"))
+      (error "this procedure only works on Linux-based systems" %host-type))
+
   (with-input-from-port (open-input-file (format #f "/proc/~a/smaps" pid))
     (lambda ()
       (let loop ((line   (read-line))
@@ -83,7 +88,7 @@ memory mapping of process @var{pid}.  This information is obtained by reading
                    (loop (read-line) result))))))))
 
 (define (total-heap-size pid)
-  "Return the total heap size of process @var{pid}."
+  "Return a pair representing the total and RSS heap size of PID."
 
   (define heap-or-anon-rx
     (make-regexp "\\[(heap|anon)\\]"))