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CPU: add option --show-pe-core-count

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Carter Li
2024-05-21 09:09:08 +08:00
committed by 李通洲
parent aa1a5b8c36
commit 2d4e7f10c4
8 changed files with 77 additions and 33 deletions
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src/detection/cpu/cpu_linux.c
+12 -9
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@@ -127,7 +127,7 @@ static uint8_t getNumCores(FFstrbuf* basePath, FFstrbuf* buffer)
return 0;
}
static bool detectFrequency(FFCPUResult* cpu)
static bool detectFrequency(FFCPUResult* cpu, const FFCPUOptions* options)
{
FF_STRBUF_AUTO_DESTROY path = ffStrbufCreateS("/sys/devices/system/cpu/cpufreq/");
FF_AUTO_CLOSE_DIR DIR* dir = opendir(path.chars);
@@ -175,13 +175,16 @@ static bool detectFrequency(FFCPUResult* cpu)
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);
if (options->showPeCoreCount)
{
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);
}
}
@@ -270,7 +273,7 @@ const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
cpu->coresOnline = (uint16_t) get_nprocs();
cpu->coresPhysical = (uint16_t) ffStrbufToUInt(&physicalCoresBuffer, cpu->coresLogical);
if (!detectFrequency(cpu) || cpu->frequencyBase != cpu->frequencyBase)
if (!detectFrequency(cpu, options) || cpu->frequencyBase != cpu->frequencyBase)
cpu->frequencyBase = ffStrbufToDouble(&cpuMHz) / 1000;
if(cpuUarch.length > 0)