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CPU (OpenBSD): fix CPU temperature detection

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This commit is contained in:
李通洲
2025-04-22 21:19:22 +08:00
parent c1f6a2f755
commit 4d7b2410ef
1 changed files with 45 additions and 8 deletions
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src/detection/cpu/cpu_obsd.c
+45 -8
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@@ -1,10 +1,53 @@
#include "cpu.h"
#include "common/sysctl.h"
#include "util/stringUtils.h"
#include <errno.h>
#include <sys/time.h>
#include <sys/sensors.h>
const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
static const char* detectCPUTemp(FFCPUResult* cpu)
{
int mib[5] = {CTL_HW, HW_SENSORS, 0, SENSOR_TEMP, 0};
for (mib[2] = 0; mib[2] < 1024; mib[2]++)
{
struct sensordev sensordev;
size_t sdlen = sizeof(struct sensordev);
if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) < 0)
{
if (errno == ENOENT)
break;
if (errno == ENXIO)
continue;
return "sysctl(sensordev) failed";
}
if (!ffStrStartsWith(sensordev.xname, "cpu"))
continue;
for (mib[4] = 0; mib[4] < sensordev.maxnumt[SENSOR_TEMP]; mib[4]++)
{
struct sensor sensor;
size_t slen = sizeof(struct sensor);
if (sysctl(mib, 5, &sensor, &slen, NULL, 0) < 0)
{
if (errno != ENOENT)
return "sysctl(sensor) failed";
continue;
}
if (sensor.flags & SENSOR_FINVALID)
continue;
cpu->temperature = (double)(sensor.value - 273150000) / 1E6;
return NULL;
}
}
return "No sensor for CPU temp found";
}
const char *ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
{
if (ffSysctlGetString(CTL_HW, HW_MODEL, &cpu->name))
return "sysctl(hw.model) failed";
@@ -19,13 +62,7 @@ const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
if (cpuspeed > cpu->frequencyBase) cpu->frequencyBase = cpuspeed;
cpu->temperature = FF_CPU_TEMP_UNSET;
if (options->temp)
{
struct sensor sensors;
size_t size = sizeof(sensors);
if (sysctl((int[]) {CTL_HW, HW_SENSORS, 0, SENSOR_TEMP, 0}, 5, &sensors, &size, NULL, 0) == 0)
cpu->temperature = (double) (sensors.value - 273150000) / 1E6;
}
if (options->temp) detectCPUTemp(cpu);
return NULL;
}