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CPU (Linux): remove bios_limit detection

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This commit is contained in:
Carter Li
2024-09-28 16:49:03 +08:00
committed by 李通洲
parent acd5d4a258
commit a424839d2f
5 changed files with 20 additions and 21 deletions
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src/detection/cpu/cpu.h
-1
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@@ -21,7 +21,6 @@ typedef struct FFCPUResult
uint32_t frequencyBase; // GHz
uint32_t frequencyMax; // GHz
uint32_t frequencyBiosLimit; // GHz
FFCPUCore coreTypes[16]; // number of P cores, E cores, etc.
src/detection/cpu/cpu_linux.c
+15 -8
View File
@@ -325,18 +325,25 @@ static bool detectFrequency(FFCPUResult* cpu, const FFCPUOptions* options)
if (ffStrStartsWith(entry->d_name, "policy") && ffCharIsDigit(entry->d_name[strlen("policy")]))
{
ffStrbufAppendS(&path, entry->d_name);
uint32_t fmax = getFrequency(&path, "/cpuinfo_max_freq", "/scaling_max_freq", &buffer);
if (fmax == 0) continue;
if (cpu->frequencyMax >= fmax)
{
if (!options->showPeCoreCount)
{
ffStrbufSubstrBefore(&path, baseLen);
continue;
}
}
else
cpu->frequencyMax = fmax;
uint32_t fbase = getFrequency(&path, "/base_frequency", NULL, &buffer);
if (fbase > 0)
cpu->frequencyBase = cpu->frequencyBase > fbase ? cpu->frequencyBase : fbase;
uint32_t fbioslimit = getFrequency(&path, "/bios_limit", NULL, &buffer);
if (fbioslimit > 0)
cpu->frequencyBiosLimit = cpu->frequencyBiosLimit > fbioslimit ? cpu->frequencyBiosLimit : fbioslimit;
uint32_t fmax = getFrequency(&path, "/cpuinfo_max_freq", "/scaling_max_freq", &buffer);
if (fmax > 0)
cpu->frequencyMax = cpu->frequencyMax > fmax ? cpu->frequencyMax : fmax;
if (options->showPeCoreCount)
{
uint32_t freq = fbase == 0 ? fmax : fbase; // seems base frequencies are more stable