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CPU (SunOS): detect CPU temp

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Untested
This commit is contained in:
李通洲
2025-04-20 11:06:11 +08:00
parent 07c5ef255e
commit 835e5b51c9
1 changed files with 60 additions and 1 deletions
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src/detection/cpu/cpu_sunos.c
+60 -1
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@@ -1,6 +1,59 @@
#include "cpu.h"
#include "common/processing.h"
#include <kstat.h>
static const char* detectCPUTempByKstat(kstat_ctl_t* kc, FFCPUResult* cpu)
{
const char* possibleModules[] = {"temperature", "cpu_temp", "acpi_thermal", NULL};
for (int i = 0; possibleModules[i] != NULL; i++) {
kstat_t* ks = kstat_lookup(kc, possibleModules[i], -1, NULL);
if (ks && kstat_read(kc, ks, NULL) >= 0) {
kstat_named_t* kn = kstat_data_lookup(ks, "temperature");
if (kn) {
switch (kn->data_type) {
case KSTAT_DATA_INT32:
cpu->temperature = (float)kn->value.i32;
return NULL;
case KSTAT_DATA_UINT32:
cpu->temperature = (float)kn->value.ui32;
return NULL;
case KSTAT_DATA_FLOAT:
cpu->temperature = kn->value.f;
return NULL;
}
}
}
}
return "Failed to find CPU temperature using kstat";
}
static const char* detectCPUTempByIpmiTool(FFCPUResult* cpu)
{
FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
const char* error = ffProcessAppendStdOut(&buffer, (char* const[]){
"ipmitool",
"-c",
"sdr",
"list",
NULL
});
if (error)
return error;
char* line = NULL;
size_t len = 0;
while (ffStrbufGetline(&line, &len, &buffer))
{
if (sscanf(line, "CPU%*d Temp,%lf,degrees C,ok", &cpu->temperature) == 1)
return NULL;
}
return "ipmitool sdr list failed to find CPU temperature";
}
static inline void kstatFreeWrap(kstat_ctl_t** pkc)
{
assert(pkc);
@@ -8,7 +61,7 @@ static inline void kstatFreeWrap(kstat_ctl_t** pkc)
kstat_close(*pkc);
}
const char* ffDetectCPUImpl(FF_MAYBE_UNUSED const FFCPUOptions* options, FFCPUResult* cpu)
const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
{
__attribute__((__cleanup__(kstatFreeWrap))) kstat_ctl_t* kc = kstat_open();
if (!kc)
@@ -43,5 +96,11 @@ const char* ffDetectCPUImpl(FF_MAYBE_UNUSED const FFCPUOptions* options, FFCPURe
if (kn) cpu->coresLogical = cpu->coresPhysical = cpu->coresOnline = (uint16_t) kn->value.ui32;
}
if (options->temp)
{
if (detectCPUTempByKstat(kc, cpu) != NULL)
detectCPUTempByIpmiTool(cpu);
}
return NULL;
}