diff --git a/src/util/virhostcpu.c b/src/util/virhostcpu.c
index bfef022f64fdd4c8fdaf4e8268d74e7b1af81870..15b79f7090b123f507efdb0786590d6baee5d7f3 100644
--- a/src/util/virhostcpu.c
+++ b/src/util/virhostcpu.c
@@ -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;
 }
 
diff --git a/tests/virhostcpudata/linux-x86_64-test1.signature b/tests/virhostcpudata/linux-x86_64-test1.signature
new file mode 100644
index 0000000000000000000000000000000000000000..953337a4cbbebde5731b2b4c1295ea5e8e8e1e67
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test1.signature
@@ -0,0 +1 @@
+GenuineIntel, Intel(R) Xeon(TM) CPU 2.80GHz, family: 15, model: 4, stepping: 8
diff --git a/tests/virhostcpudata/linux-x86_64-test2.signature b/tests/virhostcpudata/linux-x86_64-test2.signature
new file mode 100644
index 0000000000000000000000000000000000000000..bbeb084944ff1f74bc383a7755db7101b6c75e99
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test2.signature
@@ -0,0 +1 @@
+GenuineIntel, Intel(R) Core(TM)2 Duo CPU     T9600  @ 2.80GHz, family: 6, model: 23, stepping: 10
diff --git a/tests/virhostcpudata/linux-x86_64-test3.signature b/tests/virhostcpudata/linux-x86_64-test3.signature
new file mode 100644
index 0000000000000000000000000000000000000000..b94bbc1701778a9842455d5c08d8707cb409846b
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test3.signature
@@ -0,0 +1 @@
+AuthenticAMD, AMD Opteron(tm) Processor 6172, family: 16, model: 9, stepping: 1
diff --git a/tests/virhostcpudata/linux-x86_64-test4.signature b/tests/virhostcpudata/linux-x86_64-test4.signature
new file mode 100644
index 0000000000000000000000000000000000000000..9237332d59ab0984c523f275c7e150e875d9069d
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test4.signature
@@ -0,0 +1 @@
+GenuineIntel, Intel(R) Xeon(R) CPU E7- 8837  @ 2.67GHz, family: 6, model: 47, stepping: 2
diff --git a/tests/virhostcpudata/linux-x86_64-test5.signature b/tests/virhostcpudata/linux-x86_64-test5.signature
new file mode 100644
index 0000000000000000000000000000000000000000..dbaba8ee08b8a6e4189f1eaa343650479e2e267b
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test5.signature
@@ -0,0 +1 @@
+GenuineIntel, Intel(R) Xeon(R) CPU           E5320  @ 1.86GHz, family: 6, model: 15, stepping: 7
diff --git a/tests/virhostcpudata/linux-x86_64-test6.signature b/tests/virhostcpudata/linux-x86_64-test6.signature
new file mode 100644
index 0000000000000000000000000000000000000000..e5d8476e064430345830f89959899037df401e2c
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test6.signature
@@ -0,0 +1 @@
+GenuineIntel, Intel(R) Xeon(R) CPU           E5640  @ 2.67GHz, family: 6, model: 44, stepping: 2
diff --git a/tests/virhostcpudata/linux-x86_64-test7.signature b/tests/virhostcpudata/linux-x86_64-test7.signature
new file mode 100644
index 0000000000000000000000000000000000000000..a2e91b270b486ac7f28f00be45df9c022ac0fbb2
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test7.signature
@@ -0,0 +1 @@
+AuthenticAMD, AMD Opteron(tm) Processor 6174, family: 16, model: 9, stepping: 1
diff --git a/tests/virhostcpudata/linux-x86_64-test8.signature b/tests/virhostcpudata/linux-x86_64-test8.signature
new file mode 100644
index 0000000000000000000000000000000000000000..e873053f3b75d324afee93a9b7b873533943b800
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-test8.signature
@@ -0,0 +1 @@
+AuthenticAMD, AMD Opteron(tm) Processor 6282 SE, family: 21, model: 1, stepping: 2
diff --git a/tests/virhostcpudata/linux-x86_64-with-die.signature b/tests/virhostcpudata/linux-x86_64-with-die.signature
new file mode 100644
index 0000000000000000000000000000000000000000..ce0545cd38add869f522639ae2a811eed487a4f2
--- /dev/null
+++ b/tests/virhostcpudata/linux-x86_64-with-die.signature
@@ -0,0 +1 @@
+GenuineIntel, QEMU Virtual CPU version 2.5+, family: 6, model: 6, stepping: 3