[libvirt PATCH 3/6] hostcpu: Implement virHostCPUGetSignature for x86
Jiri Denemark
jdenemar at redhat.com
Mon May 18 12:56:21 UTC 2020
Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
---
src/util/virhostcpu.c | 50 +++++++++++++++++--
.../linux-x86_64-test1.signature | 1 +
.../linux-x86_64-test2.signature | 1 +
.../linux-x86_64-test3.signature | 1 +
.../linux-x86_64-test4.signature | 1 +
.../linux-x86_64-test5.signature | 1 +
.../linux-x86_64-test6.signature | 1 +
.../linux-x86_64-test7.signature | 1 +
.../linux-x86_64-test8.signature | 1 +
.../linux-x86_64-with-die.signature | 1 +
10 files changed, 56 insertions(+), 3 deletions(-)
create mode 100644 tests/virhostcpudata/linux-x86_64-test1.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-test2.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-test3.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-test4.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-test5.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-test6.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-test7.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-test8.signature
create mode 100644 tests/virhostcpudata/linux-x86_64-with-die.signature
diff --git a/src/util/virhostcpu.c b/src/util/virhostcpu.c
index bfef022f64..851c0015f7 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 0000000000..953337a4cb
--- /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 0000000000..bbeb084944
--- /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 0000000000..b94bbc1701
--- /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 0000000000..9237332d59
--- /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 0000000000..dbaba8ee08
--- /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 0000000000..e5d8476e06
--- /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 0000000000..a2e91b270b
--- /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 0000000000..e873053f3b
--- /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 0000000000..ce0545cd38
--- /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
--
2.26.2
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