RepoMirrors/mars
1
0
Fork 0
mirror of https://github.com/schoebel/mars synced 2025-01-02 20:32:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

marsadm: report non-standard kernel settings

Browse Source
This commit is contained in:
Thomas Schoebel-Theuer 2022-05-24 11:35:56 +02:00 committed by Thomas Schoebel-Theuer
parent 264044ac29
commit ca7f459d6f
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
userspace/marsadm
View File

@ -11264,6 +11264,29 @@ sub no_mountpoint {
return system("$cmd $pathname >/dev/null 2>&1");
}
sub report_non_standard_settings {
my $proc_path = "/proc/sys/mars";
return unless -d $proc_path;
# TODO: report some more (undocumented) internals which
# might lead to misunderstandings (e.g. because they exist,
# and somebody plays around with it) and/or may impact
# performance due to misconfigs.
foreach my $cand_path (glob("$proc_path/write_throttle*")) {
next if $cand_path =~ m:_end_percent$:;
my $IN;
if (!open($IN, "<", $cand_path)) {
next;
}
my $val = <$IN>;
close($IN);
chomp $val;
next if !$val;
next if ($val eq "10000" &&
$cand_path =~ m:_ratelimit_kb$:);
lhint "Non-standard kernel setting: $cand_path is set to '$val'\n";
}
}
if ($cmd =~ m/^(view|pretty)/) {
if (! -d $mars) {
lwarn "directory $mars does not exist - please read mars-user-manual.pdf\n";
@ -11291,6 +11314,8 @@ if ($cmd =~ m/^(view|pretty)/) {
# report any dead peers
my $report_foreign = ($ignore_deleted_peers > 1);
get_alive_links("all", "alive", "*", $report_foreign, 0);
# report non-standard settings from /proc/sys/mars/
report_non_standard_settings();
exit($error_count);
}