[libvirt] [V2 5/5] Qemu: Set cache banks

Eli Qiao liyong.qiao at intel.com
Fri Feb 3 03:47:16 UTC 2017


Set cache banks while booting a new domain.

Signed-off-by: Eli Qiao <liyong.qiao at intel.com>
---
 src/qemu/qemu_process.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 184440d..ec3d3c2 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -76,6 +76,7 @@
 #include "configmake.h"
 #include "nwfilter_conf.h"
 #include "netdev_bandwidth_conf.h"
+#include "virresctrl.h"
 
 #define VIR_FROM_THIS VIR_FROM_QEMU
 
@@ -5714,6 +5715,11 @@ qemuProcessLaunch(virConnectPtr conn,
         qemuProcessAutoDestroyAdd(driver, vm, conn) < 0)
         goto cleanup;
 
+    VIR_DEBUG("Cache allocation");
+
+    if (virResCtrlSetCacheBanks(&(vm->def->cachetune), vm->def->uuid, vm->pid) < 0)
+        goto cleanup;
+
     ret = 0;
 
  cleanup:
@@ -6216,6 +6222,10 @@ void qemuProcessStop(virQEMUDriverPtr driver,
     virPerfFree(priv->perf);
     priv->perf = NULL;
 
+    if(virResCtrlUpdate() < 0)
+        VIR_WARN("Failed to update resource control for %s",
+                 vm->def->name);
+
     qemuProcessRemoveDomainStatus(driver, vm);
 
     /* Remove VNC and Spice ports from port reservation bitmap, but only if
-- 
1.9.1




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