/[scripts]/trunk/dwm-status.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/dwm-status.pl

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Revision 35 - (show annotations)
Sun May 27 09:14:14 2007 UTC (15 years, 6 months ago) by dpavlin
File MIME type: text/plain
File size: 2989 byte(s)
added disk stat

1 #!/usr/bin/perl -w
2
3 # dwm-status.pl
4 #
5 # 05/26/07 23:08:31 CEST Dobrica Pavlinusic <dpavlin@rot13.org>
6
7 use strict;
8 use POSIX qw/strftime/;
9 use File::Slurp;
10 use Time::HiRes;
11 use Data::Dump qw/dump/;
12
13 my $dt = 3;
14 my $acpi_every = 10;
15
16 my $disk_blk_size = 512;
17
18 my $debug = shift @ARGV;
19
20 $|=1;
21
22 sub proc2hash {
23 my $f = shift;
24 open(my $fh, '<', $f) || die "can't open $f: $!";
25 my $h;
26 while(<$fh>) {
27 chomp;
28 my ( $key, $value ) = split(/:\s+/, $_, 2);
29 $value =~ s/ m[VW]h*$//;
30 $h->{$key} = $value;
31 }
32 warn dump( $h ) if ( $debug );
33 return $h;
34 }
35
36 sub unit {
37 my $v = shift;
38
39 warn "unit( $v )\n" if ($debug);
40
41 my @units = qw/b k M G/;
42 my $o = 0;
43
44 while ( ( $v / 1024 ) >= 1 ) {
45 $o++;
46 $v /= 1024;
47 }
48
49 if ( $v >= 1 ) {
50 return sprintf("%d%s", $v, $units[$o]);
51 } elsif ( $v == 0 ) {
52 return '';
53 } else {
54 return sprintf("%.1f%s", $v, $units[$o]);
55 }
56 }
57
58 my ( $lrx, $ltx ) = ( 0, 0 );
59 my ( $ld_r, $ld_w ) = ( 0, 0 );
60 my $bat;
61
62 my $i = 0;
63
64 while ( 1 ) {
65 my $s = strftime("%Y-%m-%d %H:%M:%S", localtime());
66
67 if ( $i % $acpi_every == 0 ) {
68
69 my $state = proc2hash( '/proc/acpi/battery/BAT0/state' );
70
71 if ( $state->{'present rate'} != 0 ) {
72 my $info = proc2hash( '/proc/acpi/battery/BAT0/info' );
73
74 my $pcnt = $state->{'remaining capacity'} / $info->{'design capacity'};
75
76 my $time = $state->{'remaining capacity'} / ( $state->{'present rate'} );
77
78 warn "time = $time\n" if ($debug);
79
80 my $hh = int( $time );
81 my $mm = int( ( $time - $hh ) * 60 );
82 my $ss = ( $time * 3600 ) % 60;
83
84 $bat = sprintf("%s %2d%% %02d:%02d:%02d %3.1fW!| ",
85 substr($state->{'charging state'},0,1),
86 $pcnt * 100, $hh, $mm, $ss,
87 $state->{'present rate'} / 1000
88 );
89
90 } else {
91 $bat = '';
92 }
93 } else {
94 $bat =~ s/!(\|\s)$/ $1/;
95 }
96 $i++;
97
98 my $load = read_file('/proc/loadavg');
99 chomp( $load );
100 $load =~ s!\s\d+/\d+.*!!;
101
102 my $temp = read_file('/proc/acpi/thermal_zone/THM0/temperature');
103 chomp( $temp );
104 $temp =~ s!^.*:\s+!!;
105
106 my $net = read_file('/proc/net/dev');
107 my ( $rx, $tx ) = ( 0,0 );
108
109 foreach ( split(/\n/, $net) ) {
110 s/^\s+//;
111 my @n = split(/\s+/, $_, 17);
112 next unless ( $n[0] =~ m!(eth\d|ath\d):! );
113
114 warn dump( @n ) if ($debug);
115 $rx += $n[1];
116 $tx += $n[9];
117 }
118 warn "rx: $rx tx: $tx\n" if ($debug);
119
120 my $net_rx = ( $rx - $lrx ) / $dt;
121 my $net_tx = ( $tx - $ltx ) / $dt;
122 ( $lrx, $ltx ) = ( $rx, $tx );
123
124 my $disk = read_file('/proc/diskstats');
125 my ( $d_r, $d_w ) = ( 0,0 );
126
127 foreach ( split(/\n/, $disk) ) {
128 s/^\s+//;
129 my @d = split(/\s+/, $_, 17);
130 next unless ( $d[2] =~ m/^[sh]d\w$/ );
131
132 warn dump( @d ) if ($debug);
133 $d_r += $d[5] * $disk_blk_size;
134 $d_w += $d[7] * $disk_blk_size;
135 }
136 warn "d_r: $d_r d_w: $d_w\n" if ($debug);
137
138 my $d_read = ( $d_r - $ld_r ) / $dt;
139 my $d_write = ( $d_w - $ld_w ) / $dt;
140 ( $ld_r, $ld_w ) = ( $d_r, $d_w );
141
142 printf("%s | %s |%5s D %-5s|%5s > %-5s| %s%s\n",
143 $s,
144 $load,
145 unit( $d_read ), unit( $d_write ),
146 unit( $net_rx ), unit( $net_tx ),
147 $bat, $temp,
148 );
149
150 sleep $dt;
151 }
152

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