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[bug #33815] `canonicalize-path' leads `primitive-load' to stat like cra
From: |
Ludovic Courtès |
Subject: |
[bug #33815] `canonicalize-path' leads `primitive-load' to stat like crazy [2.0.2] |
Date: |
Fri, 22 Jul 2011 12:36:27 +0000 |
User-agent: |
Mozilla/5.0 (GNU; rv:1.9.1.7) Gecko/20100107 IceCat/3.6 (like Firefox/3.6) |
URL:
<http://savannah.gnu.org/bugs/?33815>
Summary: `canonicalize-path' leads `primitive-load' to stat
like crazy [2.0.2]
Project: Guile
Submitted by: civodul
Submitted on: Fri 22 Jul 2011 12:35:58 PM GMT
Category: None
Severity: 4 - Important
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
Hello,
#v+
$ unset GUILE_LOAD_PATH
$ unset GUILE_LOAD_COMPILED_PATH
$ strace -e lstat,stat guile -c 1
[...]
stat("/home/ludo/soft/share/guile/2.0/ice-9/eval.scm", {st_mode=S_IFREG|0644,
st_size=18985, ...}) = 0
stat("/home/ludo/soft/lib/guile/2.0/ccache/ice-9/eval.go",
{st_mode=S_IFREG|0644, st_size=11929, ...}) = 0
stat("/home/ludo/soft/share/guile/2.0/ice-9/eval.scm", {st_mode=S_IFREG|0644,
st_size=18985, ...}) = 0
stat("/home/ludo/soft/lib/guile/2.0/ccache/ice-9/eval.go",
{st_mode=S_IFREG|0644, st_size=11929, ...}) = 0
stat("/home/ludo/soft/share/guile/2.0/init.scm", 0x7fffe6ef5630) = -1 ENOENT
(No such file or directory)
stat("/home/ludo/soft/share/guile/site/2.0/init.scm", 0x7fffe6ef5630) = -1
ENOENT (No such file or directory)
stat("/home/ludo/soft/share/guile/site/init.scm", 0x7fffe6ef5630) = -1 ENOENT
(No such file or directory)
stat("/home/ludo/soft/share/guile/init.scm", 0x7fffe6ef5630) = -1 ENOENT (No
such file or directory)
stat("/home/ludo/soft/share/guile/2.0/ice-9/boot-9.scm",
{st_mode=S_IFREG|0644, st_size=131349, ...}) = 0
lstat("/home", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat("/home/ludo", {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0
lstat("/home/ludo/soft", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat("/home/ludo/soft/share", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat("/home/ludo/soft/share/guile", {st_mode=S_IFDIR|0755, st_size=4096,
...}) = 0
lstat("/home/ludo/soft/share/guile/2.0", {st_mode=S_IFDIR|0755, st_size=4096,
...}) = 0
lstat("/home/ludo/soft/share/guile/2.0/ice-9", {st_mode=S_IFDIR|0755,
st_size=4096, ...}) = 0
lstat("/home/ludo/soft/share/guile/2.0/ice-9/boot-9.scm",
{st_mode=S_IFREG|0644, st_size=131349, ...}) = 0
stat("/home/ludo/soft/lib/guile/2.0/ccache/ice-9/boot-9.go",
{st_mode=S_IFREG|0644, st_size=227749, ...}) = 0
stat("/home/ludo/soft/share/guile/2.0/ice-9/boot-9.scm",
{st_mode=S_IFREG|0644, st_size=131349, ...}) = 0
stat("/home/ludo/soft/lib/guile/2.0/ccache/ice-9/boot-9.go",
{st_mode=S_IFREG|0644, st_size=227749, ...}) = 0
#v-
For ice-9/eval.{scm,go}, everything is as expected. However, for
ice-9/boot-9.{scm,go} and all subsequent files, each tree component is stat'd,
due to the use of `canonicalize_path'.
This may be necessary for user's files and cache, but at perhaps we could
remove the `canonicalize_path' call for anything under
$libdir/share/guile/2.0, or cache the result somehow (memoizing in
`scm_canonicalize_path'?).
Ludo'.
_______________________________________________________
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