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mirror of https://gitlab.com/libvirt/libvirt.git synced 2024-12-22 17:34:18 +03:00

hostcpu: Implement virHostCPUGetSignature for x86

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Jiri Denemark 2020-04-01 19:55:27 +02:00
parent a551dd5fdf
commit 44f826e4a0
10 changed files with 56 additions and 3 deletions

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@ -1418,10 +1418,54 @@ virHostCPUGetTscInfo(void)
(defined(__linux__) || defined(__FreeBSD__)) */
int
virHostCPUReadSignature(virArch arch G_GNUC_UNUSED,
FILE *cpuinfo G_GNUC_UNUSED,
char **signature G_GNUC_UNUSED)
virHostCPUReadSignature(virArch arch,
FILE *cpuinfo,
char **signature)
{
size_t lineLen = 1024;
g_autofree char *line = g_new0(char, lineLen);
g_autofree char *vendor = NULL;
g_autofree char *name = NULL;
g_autofree char *family = NULL;
g_autofree char *model = NULL;
g_autofree char *stepping = NULL;
if (!ARCH_IS_X86(arch))
return 0;
while (fgets(line, lineLen, cpuinfo)) {
g_auto(GStrv) parts = g_strsplit(line, ": ", 2);
if (g_strv_length(parts) != 2)
continue;
g_strstrip(parts[0]);
g_strstrip(parts[1]);
if (STREQ(parts[0], "vendor_id")) {
if (!vendor)
vendor = g_steal_pointer(&parts[1]);
} else if (STREQ(parts[0], "model name")) {
if (!name)
name = g_steal_pointer(&parts[1]);
} else if (STREQ(parts[0], "cpu family")) {
if (!family)
family = g_steal_pointer(&parts[1]);
} else if (STREQ(parts[0], "model")) {
if (!model)
model = g_steal_pointer(&parts[1]);
} else if (STREQ(parts[0], "stepping")) {
if (!stepping)
stepping = g_steal_pointer(&parts[1]);
}
if (vendor && name && family && model && stepping) {
*signature = g_strdup_printf("%s, %s, family: %s, model: %s, stepping: %s",
vendor, name, family, model, stepping);
return 0;
}
}
return 0;
}

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GenuineIntel, Intel(R) Xeon(TM) CPU 2.80GHz, family: 15, model: 4, stepping: 8

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GenuineIntel, Intel(R) Core(TM)2 Duo CPU T9600 @ 2.80GHz, family: 6, model: 23, stepping: 10

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AuthenticAMD, AMD Opteron(tm) Processor 6172, family: 16, model: 9, stepping: 1

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GenuineIntel, Intel(R) Xeon(R) CPU E7- 8837 @ 2.67GHz, family: 6, model: 47, stepping: 2

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GenuineIntel, Intel(R) Xeon(R) CPU E5320 @ 1.86GHz, family: 6, model: 15, stepping: 7

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GenuineIntel, Intel(R) Xeon(R) CPU E5640 @ 2.67GHz, family: 6, model: 44, stepping: 2

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AuthenticAMD, AMD Opteron(tm) Processor 6174, family: 16, model: 9, stepping: 1

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AuthenticAMD, AMD Opteron(tm) Processor 6282 SE, family: 21, model: 1, stepping: 2

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GenuineIntel, QEMU Virtual CPU version 2.5+, family: 6, model: 6, stepping: 3