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Add throttling status tracking

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seo
2026-06-18 04:13:13 +09:00
parent 5bf4236784
commit 421c44127f
4 changed files with 85 additions and 32 deletions
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public/api.php
+38 -19
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@@ -117,23 +117,12 @@ function dmesg_log(): array
];
}
function low_voltage_status(): array
function throttled_event_status(?int $flags, string $raw, int $activeBit, int $seenBit, string $statePath): array
{
$result = sh(['/usr/bin/vcgencmd', 'get_throttled'], false, 3);
$raw = trim((string)$result['out']);
$flags = null;
if ((int)$result['code'] === 0 && preg_match('/throttled=0x([0-9a-f]+)/i', $raw, $m)) {
$flags = hexdec($m[1]);
}
$now = time();
$active = $flags !== null && (bool)($flags & 0x1);
$seen = $flags !== null && (bool)($flags & 0x10000);
$freqCapped = $flags !== null && (bool)($flags & 0x2);
$throttled = $flags !== null && (bool)($flags & 0x4);
$softTempLimit = $flags !== null && (bool)($flags & 0x8);
$statePath = '/tmp/control-low-voltage-state.json';
$active = $flags !== null && (bool)($flags & $activeBit);
$seen = $flags !== null && (bool)($flags & $seenBit);
if (is_file($statePath) && !is_writable($statePath)) {
@chmod($statePath, 0666);
}
@@ -206,9 +195,6 @@ function low_voltage_status(): array
'flags' => $flags,
'active' => $active,
'seen_since_boot' => $seen,
'freq_capped' => $freqCapped,
'throttled' => $throttled,
'soft_temp_limit' => $softTempLimit,
'active_since' => $dateValue($state['active_since'] ?? null),
'last_detected_at' => $dateValue($state['last_detected_at'] ?? null),
'last_cleared_at' => $dateValue($state['last_cleared_at'] ?? null),
@@ -218,6 +204,37 @@ function low_voltage_status(): array
];
}
function throttled_statuses(): array
{
$result = sh(['/usr/bin/vcgencmd', 'get_throttled'], false, 3);
$raw = trim((string)$result['out']);
$flags = null;
if ((int)$result['code'] === 0 && preg_match('/throttled=0x([0-9a-f]+)/i', $raw, $m)) {
$flags = hexdec($m[1]);
}
$lowVoltage = throttled_event_status($flags, $raw, 0x1, 0x10000, '/tmp/control-low-voltage-state.json');
$throttling = throttled_event_status($flags, $raw, 0x4, 0x40000, '/tmp/control-throttling-state.json');
$lowVoltage['freq_capped'] = $flags !== null && (bool)($flags & 0x2);
$lowVoltage['throttled'] = $flags !== null && (bool)($flags & 0x4);
$lowVoltage['soft_temp_limit'] = $flags !== null && (bool)($flags & 0x8);
$throttling['low_voltage'] = $flags !== null && (bool)($flags & 0x1);
$throttling['freq_capped'] = $flags !== null && (bool)($flags & 0x2);
$throttling['soft_temp_limit'] = $flags !== null && (bool)($flags & 0x8);
return [
'low_voltage' => $lowVoltage,
'throttling' => $throttling,
];
}
function low_voltage_status(): array
{
return throttled_statuses()['low_voltage'];
}
function fan_paths(): array
{
$candidates = glob('/sys/devices/platform/cooling_fan/hwmon/hwmon*/pwm1') ?: [];
@@ -1792,6 +1809,7 @@ function collect_snapshot(bool $applyFan = true): array
$mem = mem_info();
$disk = disk_info('/');
$os = os_info();
$throttledStatuses = throttled_statuses();
$cpuPower = $applyFan ? cpu_power_status() : [
'voltage' => isset($latest['cpu_voltage']) ? (float)$latest['cpu_voltage'] : null,
'watts' => isset($latest['cpu_watts']) ? (float)$latest['cpu_watts'] : null,
@@ -1849,7 +1867,8 @@ function collect_snapshot(bool $applyFan = true): array
'active_users' => active_user_info(),
'memory' => $mem,
'disk' => $disk,
'low_voltage' => low_voltage_status(),
'low_voltage' => $throttledStatuses['low_voltage'],
'throttling' => $throttledStatuses['throttling'],
]);
$history = add_battery_remaining_history(sensor_history(240));