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qemu: Add some debugging at domain startup

This commit is contained in:
Cole Robinson 2010-03-12 12:36:56 -05:00
parent f92c041a1c
commit 3a44152201
1 changed files with 23 additions and 1 deletions
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24
src/qemu/qemu_driver.c
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@ -2695,6 +2695,8 @@ static int qemudStartVMDaemon(virConnectPtr conn,
FD_ZERO(&keepfd);
DEBUG0("Beginning VM startup process");
if (virDomainObjIsActive(vm)) {
qemuReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("VM is already active"));
@ -2703,22 +2705,27 @@ static int qemudStartVMDaemon(virConnectPtr conn,
/* If you are using a SecurityDriver with dynamic labelling,
then generate a security label for isolation */
DEBUG0("Generating domain security label (if required)");
if (driver->securityDriver &&
driver->securityDriver->domainGenSecurityLabel &&
driver->securityDriver->domainGenSecurityLabel(vm) < 0)
return -1;
DEBUG0("Generating setting domain security labels (if required)");
if (driver->securityDriver &&
driver->securityDriver->domainSetSecurityAllLabel &&
driver->securityDriver->domainSetSecurityAllLabel(vm) < 0)
goto cleanup;
/* Ensure no historical cgroup for this VM is lieing around bogus settings */
/* Ensure no historical cgroup for this VM is lying around bogus
* settings */
DEBUG0("Ensuring no historical cgroup is lying around");
qemuRemoveCgroup(driver, vm, 1);
if ((vm->def->ngraphics == 1) &&
vm->def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC &&
vm->def->graphics[0]->data.vnc.autoport) {
DEBUG0("Determining VNC port");
int port = qemudNextFreeVNCPort(driver);
if (port < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
@ -2735,6 +2742,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
goto cleanup;
}
DEBUG0("Creating domain log file");
if ((logfile = qemudLogFD(driver, vm->def->name)) < 0)
goto cleanup;
@ -2751,14 +2759,17 @@ static int qemudStartVMDaemon(virConnectPtr conn,
goto cleanup;
}
DEBUG0("Determing emulator version");
if (qemudExtractVersionInfo(emulator,
NULL,
&qemuCmdFlags) < 0)
goto cleanup;
DEBUG0("Setting up domain cgroup (if required)");
if (qemuSetupCgroup(driver, vm) < 0)
goto cleanup;
DEBUG0("Preparing host devices");
if (qemuPrepareHostDevices(driver, vm->def) < 0)
goto cleanup;
@ -2767,6 +2778,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
goto cleanup;
}
DEBUG0("Preparing monitor state");
if (qemuPrepareMonitorChr(driver, priv->monConfig, vm->def->name) < 0)
goto cleanup;
@ -2798,6 +2810,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
* use in hotplug
*/
if (qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE) {
DEBUG0("Assigning domain PCI addresses");
/* Populate cache with current addresses */
if (priv->pciaddrs) {
qemuDomainPCIAddressSetFree(priv->pciaddrs);
@ -2816,6 +2829,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
priv->persistentAddrs = 0;
}
DEBUG0("Building emulator command line");
vm->def->id = driver->nextvmid++;
if (qemudBuildCommandLine(conn, driver, vm->def, priv->monConfig,
priv->monJSON, qemuCmdFlags, &argv, &progenv,
@ -2899,25 +2913,31 @@ static int qemudStartVMDaemon(virConnectPtr conn,
if (ret == -1) /* The VM failed to start */
goto cleanup;
DEBUG0("Waiting for monitor to show up");
if (qemudWaitForMonitor(driver, vm, pos) < 0)
goto abort;
DEBUG0("Detecting VCPU PIDs");
if (qemuDetectVcpuPIDs(driver, vm) < 0)
goto abort;
DEBUG0("Setting CPU affinity");
if (qemudInitCpuAffinity(vm) < 0)
goto abort;
DEBUG0("Setting any required VM passwords");
if (qemuInitPasswords(conn, driver, vm, qemuCmdFlags) < 0)
goto abort;
/* If we have -device, then addresses are assigned explicitly.
* If not, then we have to detect dynamic ones here */
if (!(qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE)) {
DEBUG0("Determining domain device PCI addresses");
if (qemuInitPCIAddresses(driver, vm) < 0)
goto abort;
}
DEBUG0("Setting initial memory amount");
qemuDomainObjEnterMonitorWithDriver(driver, vm);
if (qemuMonitorSetBalloon(priv->mon, vm->def->memory) < 0) {
qemuDomainObjExitMonitorWithDriver(driver, vm);
@ -2925,6 +2945,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
}
if (migrateFrom == NULL) {
DEBUG0("Starting domain CPUs");
/* Allow the CPUS to start executing */
if (qemuMonitorStartCPUs(priv->mon, conn) < 0) {
if (virGetLastError() == NULL)
@ -2937,6 +2958,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
qemuDomainObjExitMonitorWithDriver(driver, vm);
DEBUG0("Writing domain status to disk");
if (virDomainSaveStatus(driver->caps, driver->stateDir, vm) < 0)
goto abort;