[PATCH v3 09/15] qemu: Generate command line for IOThread pool size

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/qemu/qemu_command.c                       | 10 ++++-
 ...othreads-ids-pool-sizes.x86_64-latest.args | 44 +++++++++++++++++++
 tests/qemuxml2argvtest.c                      |  1 +
 3 files changed, 53 insertions(+), 2 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/iothreads-ids-pool-sizes.x86_64-latest.args

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 4f4d8cf25c..2734be7679 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7441,9 +7441,15 @@ qemuBuildIOThreadCommandLine(virCommand *cmd,
 
     for (i = 0; i < def->niothreadids; i++) {
         g_autoptr(virJSONValue) props = NULL;
-        g_autofree char *alias = g_strdup_printf("iothread%u", def->iothreadids[i]->iothread_id);
+        const virDomainIOThreadIDDef *iothread = def->iothreadids[i];
+        g_autofree char *alias = NULL;
 
-        if (qemuMonitorCreateObjectProps(&props, "iothread", alias, NULL) < 0)
+        alias = g_strdup_printf("iothread%u", iothread->iothread_id);
+
+        if (qemuMonitorCreateObjectProps(&props, "iothread", alias,
+                                         "k:thread-pool-min", iothread->thread_pool_min,
+                                         "k:thread-pool-max", iothread->thread_pool_max,
+                                         NULL) < 0)
             return -1;
 
         if (qemuBuildObjectCommandlineFromJSON(cmd, props, qemuCaps) < 0)
diff --git a/tests/qemuxml2argvdata/iothreads-ids-pool-sizes.x86_64-latest.args b/tests/qemuxml2argvdata/iothreads-ids-pool-sizes.x86_64-latest.args
new file mode 100644
index 0000000000..32517e3d29
--- /dev/null
+++ b/tests/qemuxml2argvdata/iothreads-ids-pool-sizes.x86_64-latest.args
@@ -0,0 +1,44 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tmp/lib/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine q35,usb=off,dump-guest-core=off,memory-backend=pc.ram \
+-accel tcg \
+-cpu qemu64 \
+-m 214 \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 6,sockets=6,cores=1,threads=1 \
+-object '{"qom-type":"iothread","id":"iothread2","thread-pool-min":0,"thread-pool-max":60}' \
+-object '{"qom-type":"iothread","id":"iothread4","thread-pool-min":1,"thread-pool-max":1}' \
+-object '{"qom-type":"iothread","id":"iothread1"}' \
+-object '{"qom-type":"iothread","id":"iothread3"}' \
+-object '{"qom-type":"iothread","id":"iothread5"}' \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-device '{"driver":"pcie-root-port","port":8,"chassis":1,"id":"pci.1","bus":"pcie.0","multifunction":true,"addr":"0x1"}' \
+-device '{"driver":"pcie-root-port","port":9,"chassis":2,"id":"pci.2","bus":"pcie.0","addr":"0x1.0x1"}' \
+-device '{"driver":"pcie-root-port","port":10,"chassis":3,"id":"pci.3","bus":"pcie.0","addr":"0x1.0x2"}' \
+-device '{"driver":"qemu-xhci","id":"usb","bus":"pci.1","addr":"0x0"}' \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw","file":"libvirt-1-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.2","addr":"0x0","drive":"libvirt-1-format","id":"virtio-disk0","bootindex":1}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index bffe7aef8a..22e2661793 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2038,6 +2038,7 @@ mymain(void)
     DO_TEST("iothreads", QEMU_CAPS_OBJECT_IOTHREAD);
     DO_TEST("iothreads-ids", QEMU_CAPS_OBJECT_IOTHREAD);
     DO_TEST("iothreads-ids-partial", QEMU_CAPS_OBJECT_IOTHREAD);
+    DO_TEST_CAPS_LATEST("iothreads-ids-pool-sizes");
     DO_TEST_FAILURE_NOCAPS("iothreads-nocap");
     DO_TEST("iothreads-disk", QEMU_CAPS_OBJECT_IOTHREAD);
     DO_TEST("iothreads-disk-virtio-ccw", QEMU_CAPS_OBJECT_IOTHREAD,
-- 
2.35.1