10:22 p.m.
The function was now beyond maintainability.
---
src/qemu/qemu_driver.c | 134 ++++++++++++++++++++++++++++---------------------
1 file changed, 77 insertions(+), 57 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index bfabc53..cab69a5 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -4967,6 +4967,82 @@ qemuDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus)
static int
+qemuDomainPinVcpuLive(virDomainObjPtr vm,
+ virDomainDefPtr def,
+ int vcpu,
+ virQEMUDriverPtr driver,
+ virQEMUDriverConfigPtr cfg,
+ virBitmapPtr cpumap)
+{
+ virDomainVcpuInfoPtr vcpuinfo;
+ qemuDomainObjPrivatePtr priv = vm->privateData;
+ virCgroupPtr cgroup_vcpu = NULL;
+ char *str = NULL;
+ virObjectEventPtr event = NULL;
+ char paramField[VIR_TYPED_PARAM_FIELD_LENGTH] = "";
+ virTypedParameterPtr eventParams = NULL;
+ int eventNparams = 0;
+ int eventMaxparams = 0;
+ int ret = -1;
+
+ if (!qemuDomainHasVcpuPids(vm)) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ "%s", _("cpu affinity is not supported"));
+ goto cleanup;
+ }
+
+ if (!(vcpuinfo = virDomainDefGetVcpu(def, vcpu))) {
+ virReportError(VIR_ERR_INVALID_ARG,
+ _("vcpu %d is out of range of live cpu count %d"),
+ vcpu, virDomainDefGetVcpusMax(def));
+ goto cleanup;
+ }
+
+ if (vcpuinfo->online) {
+ /* Configure the corresponding cpuset cgroup before set affinity. */
+ if (virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPUSET)) {
+ if (virCgroupNewThread(priv->cgroup, VIR_CGROUP_THREAD_VCPU, vcpu,
+ false, &cgroup_vcpu) < 0)
+ goto cleanup;
+ if (qemuSetupCgroupCpusetCpus(cgroup_vcpu, cpumap) < 0)
+ goto cleanup;
+ }
+
+ if (virProcessSetAffinity(qemuDomainGetVcpuPid(vm, vcpu), cpumap) < 0)
+ goto cleanup;
+ }
+
+ virBitmapFree(vcpuinfo->cpumask);
+ vcpuinfo->cpumask = cpumap;
+ cpumap = NULL;
+
+ if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps)
< 0)
+ goto cleanup;
+
+ if (snprintf(paramField, VIR_TYPED_PARAM_FIELD_LENGTH,
+ VIR_DOMAIN_TUNABLE_CPU_VCPUPIN, vcpu) < 0) {
+ goto cleanup;
+ }
+
+ str = virBitmapFormat(vcpuinfo->cpumask);
+ if (virTypedParamsAddString(&eventParams, &eventNparams,
+ &eventMaxparams, paramField, str) < 0)
+ goto cleanup;
+
+ event = virDomainEventTunableNewFromObj(vm, eventParams, eventNparams);
+
+ ret = 0;
+
+ cleanup:
+ virBitmapFree(cpumap);
+ virCgroupFree(&cgroup_vcpu);
+ VIR_FREE(str);
+ qemuDomainEventQueue(driver, event);
+ return ret;
+}
+
+
+static int
qemuDomainPinVcpuFlags(virDomainPtr dom,
unsigned int vcpu,
unsigned char *cpumap,
@@ -4978,21 +5054,12 @@ qemuDomainPinVcpuFlags(virDomainPtr dom,
virDomainObjPtr vm;
virDomainDefPtr def;
virDomainDefPtr persistentDef;
- virCgroupPtr cgroup_vcpu = NULL;
int ret = -1;
- qemuDomainObjPrivatePtr priv;
virBitmapPtr pcpumap = NULL;
virBitmapPtr pcpumaplive = NULL;
virBitmapPtr pcpumappersist = NULL;
- virDomainVcpuInfoPtr vcpuinfolive = NULL;
virDomainVcpuInfoPtr vcpuinfopersist = NULL;
virQEMUDriverConfigPtr cfg = NULL;
- virObjectEventPtr event = NULL;
- char paramField[VIR_TYPED_PARAM_FIELD_LENGTH] = "";
- char *str = NULL;
- virTypedParameterPtr eventParams = NULL;
- int eventNparams = 0;
- int eventMaxparams = 0;
virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
VIR_DOMAIN_AFFECT_CONFIG, -1);
@@ -5011,15 +5078,6 @@ qemuDomainPinVcpuFlags(virDomainPtr dom,
if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
goto endjob;
- priv = vm->privateData;
-
- if (def && !(vcpuinfolive = virDomainDefGetVcpu(def, vcpu))) {
- virReportError(VIR_ERR_INVALID_ARG,
- _("vcpu %d is out of range of live cpu count %d"),
- vcpu, virDomainDefGetVcpus(def));
- goto endjob;
- }
-
if (persistentDef &&
!(vcpuinfopersist = virDomainDefGetVcpu(persistentDef, vcpu))) {
virReportError(VIR_ERR_INVALID_ARG,
@@ -5042,44 +5100,10 @@ qemuDomainPinVcpuFlags(virDomainPtr dom,
goto endjob;
if (def) {
- if (!qemuDomainHasVcpuPids(vm)) {
- virReportError(VIR_ERR_OPERATION_INVALID,
- "%s", _("cpu affinity is not
supported"));
+ if (qemuDomainPinVcpuLive(vm, def, vcpu, driver, cfg, pcpumaplive) < 0)
goto endjob;
- }
- if (vcpuinfolive->online) {
- /* Configure the corresponding cpuset cgroup before set affinity. */
- if (virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPUSET)) {
- if (virCgroupNewThread(priv->cgroup, VIR_CGROUP_THREAD_VCPU, vcpu,
- false, &cgroup_vcpu) < 0)
- goto endjob;
- if (qemuSetupCgroupCpusetCpus(cgroup_vcpu, pcpumap) < 0)
- goto endjob;
- }
-
- if (virProcessSetAffinity(qemuDomainGetVcpuPid(vm, vcpu), pcpumap) < 0)
- goto endjob;
- }
-
- virBitmapFree(vcpuinfolive->cpumask);
- vcpuinfolive->cpumask = pcpumaplive;
pcpumaplive = NULL;
-
- if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps)
< 0)
- goto endjob;
-
- if (snprintf(paramField, VIR_TYPED_PARAM_FIELD_LENGTH,
- VIR_DOMAIN_TUNABLE_CPU_VCPUPIN, vcpu) < 0) {
- goto endjob;
- }
-
- str = virBitmapFormat(pcpumap);
- if (virTypedParamsAddString(&eventParams, &eventNparams,
- &eventMaxparams, paramField, str) < 0)
- goto endjob;
-
- event = virDomainEventTunableNewFromDom(dom, eventParams, eventNparams);
}
if (persistentDef) {
@@ -5097,11 +5121,7 @@ qemuDomainPinVcpuFlags(virDomainPtr dom,
qemuDomainObjEndJob(driver, vm);
cleanup:
- if (cgroup_vcpu)
- virCgroupFree(&cgroup_vcpu);
virDomainObjEndAPI(&vm);
- qemuDomainEventQueue(driver, event);
- VIR_FREE(str);
virBitmapFree(pcpumap);
virBitmapFree(pcpumaplive);
virBitmapFree(pcpumappersist);
--
2.6.2