function disk_list()
{
$partitions = array();
// Fetch partition information from df command
// I would have used disk_free_space() and disk_total_space() here but
// there appears to be no way to get a list of partitions in PHP?
$output = array();
exec('/bin/df --block-size=1', $output, $return_var);
if ($return_var) {
return FALSE;
}
foreach ($output as $line) {
$columns = get_columns($line);
// Only process 6 column rows
// (This has the bonus of ignoring the first row which is 7)
if (count($columns) == 6) {
$partition = $columns[5];
$partitions[$partition]['Temporary']['bool'] = in_array($columns[0], array('tmpfs', 'devtmpfs'));
$partitions[$partition]['Partition']['text'] = $partition;
$partitions[$partition]['FileSystem']['text'] = $columns[0];
if (is_numeric($columns[1]) && is_numeric($columns[2]) && is_numeric($columns[3])) {
// Reset the power unit so it is recalculated based on the size
unset($power);
$partitions[$partition]['Size']['value'] = $columns[1];
$partitions[$partition]['Size']['text'] = si_unit($columns[1], $power, 1024, 1) . 'B';
$partitions[$partition]['Free']['value'] = $columns[3];
$partitions[$partition]['Free']['text'] = si_unit($columns[3], $power, 1024, 1) . 'B';
$partitions[$partition]['Used']['value'] = $columns[2];
$partitions[$partition]['Used']['text'] = si_unit($columns[2], $power, 1024, 1) . 'B';
$partitions[$partition]['Used']['min'] = 0;
$partitions[$partition]['Used']['max'] = $columns[1];
$partitions[$partition]['Used']['positive'] = FALSE;
} else {
// Fallback if we don't get numerical values
$partitions[$partition]['Size']['text'] = $columns[1];
$partitions[$partition]['Used']['text'] = $columns[2];
$partitions[$partition]['Free']['text'] = $columns[3];
}
}
}
return $partitions;
}
<?php
if ($temperature != '') {
?>
Temperature <?php
echo str_pad($temperature . '\'C', 7, ' ', STR_PAD_RIGHT);
?>
<?php
echo graph_horizontal_bar($temperature, CPU_TEMP_MIN, CPU_TEMP_MAX, FALSE);
?>
<?php
}
if ($speed != '') {
?>
Speed <?php
echo str_pad(si_unit($speed, $na, 1000, 0) . 'Hz', 7, ' ', STR_PAD_RIGHT);
?>
<?php
echo graph_horizontal_bar($speed, CPU_SPEED_MIN, CPU_SPEED_MAX, FALSE);
?>
<?php
}
if ($voltage != '') {
?>
Voltage <?php
echo str_pad($voltage . 'V', 7, ' ', STR_PAD_RIGHT);
?>
<?php
echo graph_horizontal_bar($voltage, $voltage < CPU_VOLT_MIN ? $voltage : CPU_VOLT_MIN, CPU_VOLT_MAX, FALSE);
?>
<sup>o</sup>C</td>
<td class="code"><?php
echo graph_horizontal_bar($temperature, CPU_TEMP_MIN, CPU_TEMP_MAX, FALSE, TRUE, 'cpu_temp');
?>
</td>
</tr>
<?php
}
?>
<?php
if ($speed != '') {
?>
<tr>
<th>Speed</th>
<td id="cpu_speed_num"><?php
echo h(si_unit($speed, $na, 1000, 0));
?>
Hz</td>
<td class="code"><?php
echo graph_horizontal_bar($speed, CPU_SPEED_MIN, CPU_SPEED_MAX, FALSE, TRUE, 'cpu_speed');
?>
</td>
</tr>
<?php
}
?>
<?php
if ($voltage != '') {
?>
<tr>
<th>Voltage</th>
function memory_list()
{
// Fixed memory amounts
$memory_cpu = memory_cpu();
$memory_gpu = memory_gpu();
$locations = array();
// Fetch location information from free command
// Should probably rewrite this to cat /proc/meminfo
$output = array();
exec('/usr/bin/free --bytes --old', $output, $return_var);
if ($return_var) {
return FALSE;
}
foreach ($output as $line) {
$columns = get_columns($line);
// Only process 4 or more column rows
// Ignore row with column titles
if (count($columns) >= 4 && $columns[0] != 'total') {
$location = rtrim($columns[0], ':');
// Tidyup abbreviations used in free command
if ($location == 'Mem') {
$location = 'RAM';
$tr = $columns[1];
$ur = $columns[2];
$fr = $columns[3];
}
if (is_numeric($columns[1]) && is_numeric($columns[2]) && is_numeric($columns[3])) {
// Reset the power unit so it is recalculated based on the size
unset($power);
// Include onboard GPU memory
if ($memory_cpu && $memory_gpu && $location == 'RAM') {
$reserved = $memory_cpu - $columns[1];
$used = $columns[2] + $memory_gpu + $reserved;
// RAM (Total)
$locations[$location]['Virtual']['bool'] = !($location == 'RAM');
$locations[$location]['Type']['text'] = $location;
$locations[$location]['Size']['value'] = $memory_cpu + $memory_gpu;
$locations[$location]['Size']['text'] = si_unit($memory_cpu + $memory_gpu, $power, 1024, 1) . 'B';
$locations[$location]['Free']['value'] = $columns[3];
$locations[$location]['Free']['text'] = si_unit($columns[3], $power, 1024, 1) . 'B';
$locations[$location]['Used']['value'] = $used;
$locations[$location]['Used']['text'] = si_unit($used, $power, 1024, 1) . 'B';
$locations[$location]['Used']['min'] = 0;
$locations[$location]['Used']['max'] = $memory_cpu + $memory_gpu;
$locations[$location]['Used']['positive'] = FALSE;
$locations[$location]['Used']['absolute'] = TRUE;
// RAM (GPU)
$locations[$location . ' (GPU)']['Virtual']['bool'] = !($location == 'RAM');
$locations[$location . ' (GPU)']['Type']['text'] = $location . ' (GPU)';
$locations[$location . ' (GPU)']['Used']['value'] = $memory_gpu;
$locations[$location . ' (GPU)']['Used']['text'] = si_unit($memory_gpu, $power, 1024, 1) . 'B';
$locations[$location . ' (GPU)']['Used']['min'] = 0;
$locations[$location . ' (GPU)']['Used']['max'] = $columns[3] + $memory_gpu;
$locations[$location . ' (GPU)']['Used']['positive'] = FALSE;
$locations[$location . ' (GPU)']['Used']['absolute'] = FALSE;
// RAM (Reserved)
$locations[$location . ' (Reserved)']['Virtual']['bool'] = !($location == 'RAM');
$locations[$location . ' (Reserved)']['Type']['text'] = $location . ' (Reserved)';
$locations[$location . ' (Reserved)']['Used']['value'] = $reserved;
$locations[$location . ' (Reserved)']['Used']['text'] = si_unit($reserved, $power, 1024, 1) . 'B';
$locations[$location . ' (Reserved)']['Used']['min'] = 0;
$locations[$location . ' (Reserved)']['Used']['max'] = $columns[3] + $reserved;
$locations[$location . ' (Reserved)']['Used']['positive'] = FALSE;
$locations[$location . ' (Reserved)']['Used']['absolute'] = FALSE;
} else {
$locations[$location]['Virtual']['bool'] = !($location == 'RAM');
$locations[$location]['Type']['text'] = $location;
$locations[$location]['Size']['value'] = $columns[1];
$locations[$location]['Size']['text'] = si_unit($columns[1], $power, 1024, 1) . 'B';
$locations[$location]['Free']['value'] = $columns[3];
$locations[$location]['Free']['text'] = si_unit($columns[3], $power, 1024, 1) . 'B';
$locations[$location]['Used']['value'] = $columns[2];
$locations[$location]['Used']['text'] = si_unit($columns[2], $power, 1024, 1) . 'B';
$locations[$location]['Used']['min'] = 0;
$locations[$location]['Used']['max'] = $columns[1];
$locations[$location]['Used']['positive'] = FALSE;
$locations[$location]['Used']['absolute'] = TRUE;
}
// If we know the buffers and the cache we can calculate the app
if (isset($columns[5]) && is_numeric($columns[5]) && is_numeric($columns[6]) && is_numeric($columns[6])) {
$apps = $columns[1] - $columns[3] - $columns[5] - $columns[6];
$locations[$location . ' (Apps)']['Virtual']['bool'] = !($location == 'RAM');
$locations[$location . ' (Apps)']['Type']['text'] = $location . ' (Apps)';
$locations[$location . ' (Apps)']['Used']['value'] = $apps;
$locations[$location . ' (Apps)']['Used']['text'] = si_unit($apps, $power, 1024, 1) . 'B';
$locations[$location . ' (Apps)']['Used']['min'] = 0;
$locations[$location . ' (Apps)']['Used']['max'] = $columns[3] + $apps;
$locations[$location . ' (Apps)']['Used']['positive'] = FALSE;
$locations[$location . ' (Apps)']['Used']['absolute'] = FALSE;
}
// Buffer calulations
if (isset($columns[5]) && is_numeric($columns[5])) {
$locations[$location . ' (Buffers)']['Virtual']['bool'] = !($location == 'RAM');
$locations[$location . ' (Buffers)']['Type']['text'] = $location . ' (Buffers)';
$locations[$location . ' (Buffers)']['Used']['value'] = $columns[5];
$locations[$location . ' (Buffers)']['Used']['text'] = si_unit($columns[5], $power, 1024, 1) . 'B';
$locations[$location . ' (Buffers)']['Used']['min'] = 0;
$locations[$location . ' (Buffers)']['Used']['max'] = $columns[3] + $columns[5];
$locations[$location . ' (Buffers)']['Used']['positive'] = FALSE;
$locations[$location . ' (Buffers)']['Used']['absolute'] = FALSE;
} elseif (isset($columns[5])) {
$locations[$location . ' (Cache)']['Used']['text'] = $columns[5];
}
// Cache calulations
if (isset($columns[6]) && is_numeric($columns[6])) {
$locations[$location . ' (Cache)']['Virtual']['bool'] = !($location == 'RAM');
$locations[$location . ' (Cache)']['Type']['text'] = $location . ' (Cache)';
$locations[$location . ' (Cache)']['Used']['value'] = $columns[6];
$locations[$location . ' (Cache)']['Used']['text'] = si_unit($columns[6], $power, 1024, 1) . 'B';
$locations[$location . ' (Cache)']['Used']['min'] = 0;
$locations[$location . ' (Cache)']['Used']['max'] = $columns[3] + $columns[6];
$locations[$location . ' (Cache)']['Used']['positive'] = FALSE;
$locations[$location . ' (Cache)']['Used']['absolute'] = FALSE;
} elseif (isset($columns[6])) {
$locations[$location . ' (Cache)']['Used']['text'] = $columns[6];
}
} else {
// Fallback if we don't get numerical values
$locations[$location]['Virtual']['bool'] = !($location == 'RAM');
$locations[$location]['Type']['text'] = $location;
$locations[$location]['Size']['text'] = $columns[1];
$locations[$location]['Used']['text'] = $columns[2];
$locations[$location]['Free']['text'] = $columns[3];
}
}
}
return $locations;
}
