[libvirt] [PATCH 4/5] qemu: Build command line for NUMA tuning
Just prepend numactl command line to qemu command line.
---
src/qemu/qemu_command.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 2205ed1..156fdfb 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2762,7 +2762,23 @@ qemuBuildCommandLine(virConnectPtr conn,
break;
}
+#ifdef HAVE_NUMACTL
+ /* XXX: Logic here to build numactl commmand line need to be changed if
+ * more NUMA tuning related stuffs in future.
+ */
+ if (def->numatune.membind.nodeset) {
+ cmd = virCommandNewArgList(NUMACTL,
+ "-m",
+ def->numatune.membind.nodeset,
+ NULL);
+
+ virCommandAddArgList(cmd, emulator, "-S", NULL);
+ } else {
+ cmd = virCommandNewArgList(emulator, "-S", NULL);
+ }
+#else
cmd = virCommandNewArgList(emulator, "-S", NULL);
+#endif
virCommandAddEnvPassCommon(cmd);
--
1.7.4