a8ea4cbcc8
modules for the running kernel from being garbage-collected. Idem for /proc/sys/kernel/fbsplash.
75 lines
1.5 KiB
Perl
75 lines
1.5 KiB
Perl
#! @perl@ -w
|
|
|
|
use strict;
|
|
|
|
my $procDir = "/proc";
|
|
|
|
|
|
sub readProc {
|
|
return unless -d $procDir;
|
|
|
|
opendir DIR, $procDir or return;
|
|
|
|
foreach my $name (readdir DIR) {
|
|
next unless $name =~ /^\d+$/;
|
|
|
|
my $process = "$procDir/$name";
|
|
|
|
#print STDERR "=== $process\n";
|
|
|
|
my $target;
|
|
print "$target\n" if $target = readlink "$process/exe";
|
|
print "$target\n" if $target = readlink "$process/cwd";
|
|
|
|
if (opendir FDS, "$process/fd") {
|
|
foreach my $name (readdir FDS) {
|
|
$target = readlink "$process/fd/$name";
|
|
print "$target\n" if $target && substr($target, 0, 1) eq "/";
|
|
}
|
|
closedir FDS;
|
|
}
|
|
|
|
if (open MAP, "<$process/maps") {
|
|
while (<MAP>) {
|
|
next unless /^ \s* \S+ \s+ \S+ \s+ \S+ \s+ \S+ \s+ \S+ \s+ (\/\S+) \s* $/x;
|
|
print "$1\n";
|
|
}
|
|
close MAP;
|
|
}
|
|
}
|
|
|
|
closedir DIR;
|
|
}
|
|
|
|
|
|
sub lsof {
|
|
return unless open LSOF, "lsof -n -w -F n 2> /dev/null |";
|
|
|
|
while (<LSOF>) {
|
|
next unless /^n (\/ .*)$/x;
|
|
print $1, "\n";
|
|
}
|
|
|
|
close LSOF;
|
|
}
|
|
|
|
|
|
readProc;
|
|
lsof;
|
|
|
|
|
|
sub readFile {
|
|
my $path = shift;
|
|
if (-e $path) {
|
|
if (open FILE, "$path") {
|
|
while (<FILE>) {
|
|
print;
|
|
}
|
|
close FILE;
|
|
}
|
|
}
|
|
}
|
|
|
|
# This is rather NixOS-specific, so it probably shouldn't be here.
|
|
readFile "/proc/sys/kernel/modprobe";
|
|
readFile "/proc/sys/kernel/fbsplash";
|