ViewVC Help
View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing
root/src/vendor/perl/dist/Porting/thirdclean
Revision: 6430
Committed: Sun Dec 1 21:45:02 2013 UTC (10 years, 5 months ago) by laffer1
File size: 3446 byte(s)
Log Message:
Import Perl 5.18.1

File Contents

# Content
1 #!./perl
2
3 # DAPM: this description is from the original commit message:
4 # this appears to be a HP leak detection thing:
5 #
6 # Add a script for cleaning out the "known noise"
7 # from Third Degree reports: either noise caused
8 # by libc itself, or Perl_yyparse leaks.
9
10 local $/;
11 $_ = <ARGV>;
12
13 my @accv = /(^-+ \w+ -- \d+ --(?:.(?!^-))+)/msg;
14 my @leak = /(\d+ bytes? in \d+ leaks? .+? created at:(?:.(?!^[\d-]))+)/msg;
15
16 $leak[ 0] =~ s/.* were found:\n\n//m; # Snip off totals.
17
18 # Weed out the known access violations.
19
20 @accv = grep { ! /-- ru[hs] --.+setlocale.+Perl_init_i18nl10n/s } @accv;
21 @accv = grep { ! /-- [rw][ui]s --.+_doprnt_dis/s } @accv;
22 @accv = grep { ! /-- (?:fon|ris) --.+__strxfrm/s } @accv;
23 @accv = grep { ! /-- rus --.+__catgets/s } @accv;
24 @accv = grep { ! /-- rus --.+__execvp/s } @accv;
25 @accv = grep { ! /-- rus --.+tmpnam.+tmpfile/s } @accv;
26 @accv = grep { ! /-- rus --.+__gethostbyname/s } @accv;
27 @accv = grep { ! /-- ris --.+__actual_atof/s } @accv;
28 @accv = grep { ! /-- ris --.+__strftime/s } @accv;
29
30 # Weed out untraceable access violations.
31 @accv = grep { ! / ----- /s } @accv;
32 @accv = grep { ! /-- r[ui][hs] --.+proc_at_/s } @accv;
33 @accv = grep { ! /-- r[ui][hs] --.+pc = 0x/s } @accv;
34
35 # The following look like being caused by the intrinsic inlined
36 # string handling functions reading one or few bytes beyond the
37 # actual length.
38 @accv = grep { ! /-- rih --.+(?:memmove|strcpy).+moreswitches/s } @accv;
39 @accv = grep { ! /-- (?:rih|rus) --.+strcpy.+gv_fetchfile/s } @accv;
40 @accv = grep { ! /-- rih --.+strcmp.+doopen_pm/s } @accv;
41 @accv = grep { ! /-- rih --.+strcmp.+gv_fetchpv/s } @accv;
42 @accv = grep { ! /-- r[ui]h --.+strcmp.+gv_fetchmeth/s } @accv;
43 @accv = grep { ! /-- rih --.+memmove.+my_setenv/s } @accv;
44 @accv = grep { ! /-- rih --.+memmove.+catpvn_flags/s } @accv;
45
46 # yyparse.
47 @accv = grep { ! /Perl_yyparse/s } @accv;
48
49 # Weed out the known memory leaks.
50
51 @leak = grep { ! /setlocale.+Perl_init_i18nl10n/s } @leak;
52 @leak = grep { ! /setlocale.+set_numeric_standard/s } @leak;
53 @leak = grep { ! /_findiop.+fopen/s } @leak;
54 @leak = grep { ! /_findiop.+__fdopen/s } @leak;
55 @leak = grep { ! /__localtime/s } @leak;
56 @leak = grep { ! /__get_libc_context/s } @leak;
57 @leak = grep { ! /__sia_init/s } @leak;
58
59 # Weed out untraceable memory leaks.
60 @leak = grep { ! / ----- /s } @leak;
61 @leak = grep { ! /pc = 0x/s } @leak;
62 @leak = grep { ! /_pc_range_table/s } @leak;
63 @leak = grep { ! /_add_gp_range/s } @leak;
64
65 # yyparse.
66 @leak = grep { ! /Perl_yyparse/s } @leak;
67
68 # Output the cleaned up report.
69
70 # Access violations.
71
72 for (my $i = 0; $i < @accv; $i++) {
73 $_ = $accv[$i];
74 s/\d+/$i/;
75 print;
76 }
77
78 # Memory leaks.
79
80 my ($leakb, $leakn, $leaks);
81
82 for (my $i = 0; $i < @leak; $i++) {
83 $_ = $leak[$i];
84 print $_, "\n";
85 /^(\d+) bytes? in (\d+) leak/;
86 $leakb += $1;
87 $leakn += $2;
88 $leaks += $1 if /including (\d+) super/;
89 }
90
91 print "Bytes $leakb Leaks $leakn Super $leaks\n" if $leakb;