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CPU: better compatibility for Intel CPUs

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This commit is contained in:
李通洲
2024-05-19 18:23:18 +08:00
parent 1b4fc38330
commit 81485baadb
4 changed files with 20 additions and 24 deletions
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src/detection/cpu/cpu_linux.c
+8 -9
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@@ -136,7 +136,6 @@ static bool detectFrequency(FFCPUResult* cpu)
FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
uint32_t baseLen = path.length;
uint32_t ifreq = 0;
struct dirent* entry;
while ((entry = readdir(dir)) != NULL)
{
@@ -158,14 +157,6 @@ static bool detectFrequency(FFCPUResult* cpu)
cpu->frequencyMax = cpu->frequencyMax > fmax ? cpu->frequencyMax : fmax;
else
cpu->frequencyMax = fmax;
if (cpu->coreTypes[ifreq].freq != fmax)
{
if (cpu->coreTypes[ifreq].count && ifreq < sizeof(cpu->coreTypes) / sizeof(cpu->coreTypes[0]))
++ifreq;
cpu->coreTypes[ifreq].freq = fmax;
}
cpu->coreTypes[ifreq].count += getNumCores(&path, &buffer);
}
uint32_t fmin = getFrequency(&path, "/cpuinfo_min_freq", "/scaling_min_freq", &buffer);
if (fmin > 0)
@@ -175,6 +166,14 @@ static bool detectFrequency(FFCPUResult* cpu)
else
cpu->frequencyMin = fmin;
}
uint32_t freq = fbase <= 0 ? fmax : fbase; // seems base frequencies are more stable
uint32_t ifreq = 0;
while (cpu->coreTypes[ifreq].freq != freq && cpu->coreTypes[ifreq].freq > 0)
++ifreq;
if (cpu->coreTypes[ifreq].freq == 0)
cpu->coreTypes[ifreq].freq = freq;
cpu->coreTypes[ifreq].count += getNumCores(&path, &buffer);
ffStrbufSubstrBefore(&path, baseLen);
}
}