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niceload: darwin version of --io --mem --swap.

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Thanks to Anders F Björklund afb.users.sourceforge.net
This commit is contained in:
Ole Tange 2013-05-20 17:04:23 +02:00
parent 0608b23da3
commit e5853b7fbb
1 changed files with 76 additions and 4 deletions
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80
src/niceload
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@ -287,6 +287,19 @@ sub max {
return $max;
}
sub min {
# Returns:
# Minimum value of array
my $min;
for (@_) {
# Skip undefs
defined $_ or next;
defined $min or do { $min = $_; next; }; # Set $_ to the first non-undef
$min = ($min < $_) ? $min : $_;
}
return $min;
}
package Process;
@ -672,7 +685,8 @@ sub load_status {
# Cache for some seconds
if(not defined $self->{'load_status'} or
$self->{'load_status_cache_time'} + $self->{'recheck'} < time) {
$self->{'load_status'} = load_status_linux();
$self->{'load_status'} = load_status_linux() if $^O ne 'darwin';
$self->{'load_status'} = load_status_darwin() if $^O eq 'darwin';
$self->{'load_status_cache_time'} = time;
}
}
@ -709,15 +723,33 @@ sub load_status_linux {
return $loadavg;
}
sub load_status_darwin {
my $loadavg = `sysctl vm.loadavg`;
if($loadavg =~ /vm\.loadavg: { ([0-9.]+) ([0-9.]+) ([0-9.]+) }/) {
$loadavg = $1;
} elsif (open(IN,"LANG=C uptime|")) {
my $upString = <IN>;
if($upString =~ m/averages?.\s*(\d+\.\d+)/) {
$loadavg = $1;
} else {
::die_bug("uptime");
}
close IN;
}
return $loadavg;
}
sub swap_status {
# Returns:
# (swap in)*(swap out) kb
my $self = shift;
my $status;
# Cache for some seconds
if(not defined $self->{'swap_status'} or
$self->{'swap_status_cache_time'}+$self->{'recheck'} < time) {
my $status = swap_status_linux();
$status = swap_status_linux() if $^O ne 'darwin';
$status = swap_status_darwin() if $^O eq 'darwin';
$self->{'swap_status'} = ::max($status,0);
$self->{'swap_status_cache_time'} = time;
}
@ -733,6 +765,19 @@ sub swap_status_linux {
return qx{ $swap_activity };
}
sub swap_status_darwin {
# Mach Virtual Memory Statistics: (page size of 4096 bytes, cache hits 0%)
# free active spec inactive wire faults copy 0fill reactive pageins pageout
# 298987 251463 162637 69437 265724 29730558 299022 2308237 1 110058 0
# 298991 251479 162637 69437 265726 43 4 16 0 0 0
my ($pagesize, $pageins, $pageouts);
my @vm_stat = `vm_stat 1 | head -n4`;
$pagesize = $1 if $vm_stat[0] =~ m/page size of (\d+) bytes/;
$pageins = (split(/\s+/,$vm_stat[3]))[9];
$pageouts = (split(/\s+/,$vm_stat[3]))[10];
return ($pageins*$pageouts*$pagesize)/1024;
}
sub mem_status {
# Returns:
@ -741,7 +786,8 @@ sub mem_status {
# Cache for one second
if(not defined $self->{'mem_status'} or
$self->{'mem_status_cache_time'}+$self->{'recheck'} < time) {
$self->{'mem_status'} = mem_status_linux();
$self->{'mem_status'} = mem_status_linux() if $^O ne 'darwin';
$self->{'mem_status'} = mem_status_darwin() if $^O eq 'darwin';
$self->{'mem_status_cache_time'} = time;
}
::debug("mem_status: $self->{'mem_status'}\n");
@ -759,6 +805,19 @@ sub mem_status_linux {
return $free*1024;
}
sub mem_status_darwin {
# Mach Virtual Memory Statistics: (page size of 4096 bytes, cache hits 0%)
# free active spec inactive wire faults copy 0fill reactive pageins pageout
# 298987 251463 162637 69437 265724 29730558 299022 2308237 1 110058 0
# 298991 251479 162637 69437 265726 43 4 16 0 0 0
my ($pagesize, $pages_free, $pages_speculative);
my @vm_stat = `vm_stat 1 | head -n4`;
$pagesize = $1 if $vm_stat[0] =~ m/page size of (\d+) bytes/;
$pages_free = (split(/\s+/,$vm_stat[3]))[0];
$pages_speculative = (split(/\s+/,$vm_stat[3]))[2];
return ($pages_free+$pages_speculative)*$pagesize;
}
sub io_status {
# Returns:
@ -767,7 +826,8 @@ sub io_status {
# Cache for one second
if(not defined $self->{'io_status'} or
$self->{'io_status_cache_time'}+$self->{'recheck'} < time) {
$self->{'io_status'} = io_status_linux();
$self->{'io_status'} = io_status_linux() if $^O ne 'darwin';
$self->{'io_status'} = io_status_darwin() if $^O eq 'darwin';
$self->{'io_status_cache_time'} = time;
}
::debug("io_status: $self->{'io_status'}\n");
@ -789,4 +849,16 @@ sub io_status_linux {
return undef_as_zero($io)/10;
}
sub io_status_darwin {
# disk0 disk1 disk2
# KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s
# 14.95 15 0.22 11.18 35 0.38 2.00 0 0.00
# 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00
my @iostat_out = `LANG=C iostat -d -w 1 -c 2`;
# return the MB/s of the last second (not the %util)
my @iostat = split(/\s+/, $iostat_out[3]);
my $io = $iostat[3] + $iostat[6] + $iostat[9];
return ::min($io, 10);
}
$::exitsignal = $::exitstatus = 0; # Dummy