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 [WIP DNM] use x86 hybrid freqs for cpukinds #688

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 [WIP DNM] use x86 hybrid freqs for cpukinds #688

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11 changes: 10 additions & 1 deletion hwloc/topology-x86.c
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Original file line number Diff line number Diff line change
Expand Up @@ -232,6 +232,8 @@ struct procinfo {

unsigned hybridcoretype;
unsigned hybridnativemodel;
unsigned basefreq;
unsigned maxfreq;
};

enum cpuid_type {
Expand Down Expand Up @@ -744,13 +746,20 @@ static void look_proc(struct hwloc_backend *backend, struct procinfo *infos, uns
}

if (highest_cpuid >= 0x1a && has_hybrid(features)) {
data->is_hybrid = 1;
/* Get hybrid cpu information from cpuid 0x1a on Intel */
eax = 0x1a;
ecx = 0;
cpuid_or_from_dump(&eax, &ebx, &ecx, &edx, src_cpuiddump);
infos->hybridcoretype = eax >> 24;
infos->hybridnativemodel = eax & 0xffffff;
data->is_hybrid = 1;
/* Get base and max freq from cpuid 0x16 on Intel */
eax = 0x16;
ecx = 0;
cpuid_or_from_dump(&eax, &ebx, &ecx, &edx, src_cpuiddump);
infos->basefreq = eax & 0xffff;
infos->maxfreq = ebx & 0xffff;
printf("base %u max %u\n", infos->basefreq, infos->maxfreq);
}

/*********************************************************************************
Expand Down