tests: Add tests for CPU selection in qemu driver

tests/qemuxml2argvdata/qemu.sh

+#! /bin/sh
+
+candidates="/usr/bin/qemu-kvm
+            /usr/libexec/qemu-kvm
+            /usr/bin/qemu-system-x86_64
+            /usr/bin/qemu"
+qemu=
+for candidate in $candidates; do
+    if test -x $candidate; then
+        qemu=$candidate
+        break
+    fi
+done
+
+real_qemu()
+{
+    if test x$qemu != x; then
+        exec $qemu "$@"
+    else
+        return 1
+    fi
+}
+
+faked_machine()
+{
+    echo "pc"
+}
+
+faked_cpu()
+{
+    cat <<EOF
+x86       Opteron_G3
+x86       Opteron_G2
+x86       Opteron_G1
+x86          Nehalem
+x86           Penryn
+x86           Conroe
+x86           [n270]
+x86         [athlon]
+x86       [pentium3]
+x86       [pentium2]
+x86        [pentium]
+x86            [486]
+x86        [coreduo]
+x86         [qemu32]
+x86          [kvm64]
+x86       [core2duo]
+x86         [phenom]
+x86         [qemu64]
+x86           [host]
+EOF
+}
+
+case $* in
+"-M ?")
+    faked_machine
+    ;;
+"-cpu ?")
+    faked_cpu
+    ;;
+*)
+    real_qemu "$@"
+    ;;
+esac

tests/qemuxml2argvdata/qemuxml2argv-cpu-exact1.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -cpu qemu64,-svm,-lm,-nx,-syscall,-clflush,-pse36,-mca -m 214 -smp 6 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-exact1.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu match='exact'>
+    <model>qemu64</model>
+    <feature policy='disable' name='svm'/>
+    <feature policy='disable' name='lm'/>
+    <feature policy='disable' name='nx'/>
+    <feature policy='disable' name='syscall'/>
+    <feature policy='disable' name='clflush'/>
+    <feature policy='disable' name='pse36'/>
+    <feature policy='disable' name='mca'/>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-cpu-exact2.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -cpu core2duo,+lahf_lm,+3dnowext,+xtpr,+ds_cpl,+tm,+ht,+ds,-nx -m 214 -smp 6 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-exact2.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu match='exact'>
+    <model>core2duo</model>
+    <feature name='lahf_lm' policy='require'/>
+    <feature name='xtpr' policy='require'/>
+    <feature name='cx16' policy='disable'/>
+    <feature name='tm2' policy='disable'/>
+    <feature name='ds_cpl' policy='require'/>
+    <feature name='pbe' policy='disable'/>
+    <feature name='tm' policy='optional'/>
+    <feature name='ht' policy='require'/>
+    <feature name='ss' policy='disable'/>
+    <feature name='ds' policy='require'/>
+    <feature name='nx' policy='disable'/>
+    <feature name='3dnowext' policy='force'/>
+    <feature name='sse4a' policy='optional'/>
+    <feature name='wdt' policy='forbid'/>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-cpu-minimum1.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -cpu core2duo,+lahf_lm,+xtpr,+cx16,+tm2,+est,+vmx,+ds_cpl,+pbe,+tm,+ht,+ss,+acpi,+ds -m 214 -smp 6 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-minimum1.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu match='minimum'>
+    <model>486</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-cpu-minimum2.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -cpu core2duo,+lahf_lm,+xtpr,+cx16,+tm2,+est,+vmx,+ds_cpl,+pbe,+tm,+ht,+ss,+acpi,+ds,-lm,-nx,-syscall -m 214 -smp 6 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-minimum2.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu match='minimum'>
+    <model>qemu64</model>
+    <feature policy='disable' name='svm'/>
+    <feature policy='disable' name='lm'/>
+    <feature policy='disable' name='nx'/>
+    <feature policy='disable' name='syscall'/>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-cpu-strict1.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -cpu core2duo,+lahf_lm,+3dnowext,+xtpr,+est,+vmx,+ds_cpl,+tm,+ht,+acpi,+ds,-nx -m 214 -smp 6 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-strict1.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu match='strict'>
+    <model>core2duo</model>
+    <feature name='lahf_lm' policy='require'/>
+    <feature name='xtpr' policy='require'/>
+    <feature name='cx16' policy='disable'/>
+    <feature name='tm2' policy='disable'/>
+    <feature name='est' policy='optional'/>
+    <feature name='vmx' policy='optional'/>
+    <feature name='ds_cpl' policy='require'/>
+    <feature name='pbe' policy='disable'/>
+    <feature name='tm' policy='optional'/>
+    <feature name='ht' policy='require'/>
+    <feature name='ss' policy='disable'/>
+    <feature name='acpi' policy='optional'/>
+    <feature name='ds' policy='require'/>
+    <feature name='nx' policy='disable'/>
+    <feature name='3dnowext' policy='force'/>
+    <feature name='sse4a' policy='optional'/>
+    <feature name='wdt' policy='forbid'/>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-cpu-topology1.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -m 214 -smp 6,sockets=3,cores=2,threads=1 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-topology1.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu>
+    <topology sockets="3" cores="2" threads="1"/>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-cpu-topology2.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -cpu core2duo -m 214 -smp 6,sockets=1,cores=2,threads=3 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-topology2.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu match='exact'>
+    <model>core2duo</model>
+    <topology sockets="1" cores="2" threads="3"/>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-cpu-topology3.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc -m 214 -smp 6 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net none -serial none -parallel none -usb

tests/qemuxml2argvdata/qemuxml2argv-cpu-topology3.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>6</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='network'/>
+  </os>
+  <cpu>
+    <topology sockets="3" cores="2" threads="1"/>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+      <emulator>/./qemu.sh</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvtest.c

@@ -15,11 +15,13 @@
 # include "testutils.h"
 # include "qemu/qemu_conf.h"
 # include "datatypes.h"
+# include "cpu/cpu_map.h"
 
 # include "testutilsqemu.h"
 
 static char *progname;
 static char *abs_srcdir;
+static const char *abs_top_srcdir;
 static struct qemud_driver driver;
 
 # define MAX_FILE 4096
@@ -221,6 +223,7 @@ mymain(int argc, char **argv)
 {
     int ret = 0;
     char cwd[PATH_MAX];
+    char map[PATH_MAX];
 
     progname = argv[0];
 
@@ -233,6 +236,10 @@ mymain(int argc, char **argv)
     if (!abs_srcdir)
         abs_srcdir = getcwd(cwd, sizeof(cwd));
 
+    abs_top_srcdir = getenv("abs_top_srcdir");
+    if (!abs_top_srcdir)
+        abs_top_srcdir = "..";
+
     if ((driver.caps = testQemuCapsInit()) == NULL)
         return EXIT_FAILURE;
     if ((driver.stateDir = strdup("/nowhere")) == NULL)
@@ -247,6 +254,10 @@ mymain(int argc, char **argv)
     if (!(driver.spicePassword = strdup("123456")))
         return EXIT_FAILURE;
 
+    snprintf(map, PATH_MAX, "%s/src/cpu/cpu_map.xml", abs_top_srcdir);
+    if (cpuMapOverride(map) < 0)
+        return EXIT_FAILURE;
+
 # define DO_TEST_FULL(name, extraFlags, migrateFrom, expectError)       \
     do {                                                                \
         const struct testInfo info = {                                  \
@@ -452,6 +463,15 @@ mymain(int argc, char **argv)
 
     DO_TEST("smp", QEMUD_CMD_FLAG_SMP_TOPOLOGY, false);
 
+    DO_TEST("cpu-topology1", QEMUD_CMD_FLAG_SMP_TOPOLOGY, false);
+    DO_TEST("cpu-topology2", QEMUD_CMD_FLAG_SMP_TOPOLOGY, false);
+    DO_TEST("cpu-topology3", 0, false);
+    DO_TEST("cpu-minimum1", 0, false);
+    DO_TEST("cpu-minimum2", 0, false);
+    DO_TEST("cpu-exact1", 0, false);
+    DO_TEST("cpu-exact2", 0, false);
+    DO_TEST("cpu-strict1", 0, false);
+
     free(driver.stateDir);
     virCapabilitiesFree(driver.caps);