CPU (BSD): improve base freq detection

Author: CarterLi

src/detection/cpu/cpu_bsd.c

@@ -73,9 +73,10 @@ const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
     CPU_SET(1, &currentCPU);
     CPU_SET(2, &currentCPU);
     cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof(cpuset_t), &currentCPU);
-    ffCPUDetectSpeedByCpuid(cpu);
 #endif
 
+    ffCPUDetectSpeedByCpuid(cpu);
+
     uint32_t clockrate = (uint32_t) ffSysctlGetInt("hw.clockrate", 0);
     if (clockrate > cpu->frequencyBase) cpu->frequencyBase = clockrate;
     cpu->temperature = FF_CPU_TEMP_UNSET;

src/detection/cpu/cpu_nbsd.c

@@ -58,8 +58,7 @@ const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
     ffCPUDetectSpeedByCpuid(cpu);
 
     uint32_t freq = (uint32_t) ffSysctlGetInt("machdep.cpu.frequency.target", 0);
-    if (freq > cpu->frequencyBase)
-        cpu->frequencyBase = freq;
+    if (freq > cpu->frequencyBase) cpu->frequencyBase = freq;
 
     cpu->temperature = FF_CPU_TEMP_UNSET;
 

src/detection/cpu/cpu_obsd.c

@@ -15,7 +15,9 @@ const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
 
     ffCPUDetectSpeedByCpuid(cpu);
 
-    cpu->frequencyBase = (uint32_t) ffSysctlGetInt(CTL_HW, HW_CPUSPEED, 0);
+    uint32_t cpuspeed = (uint32_t) ffSysctlGetInt(CTL_HW, HW_CPUSPEED, 0);
+    if (cpuspeed > cpu->frequencyBase) cpu->frequencyBase = cpuspeed;
+
     cpu->temperature = FF_CPU_TEMP_UNSET;
     if (options->temp)
     {