poky-qemu-internal: force oprofile into using timer interrupt mode for qemux86/qemux8...

Currently oprofile's event based interrupt mode doesn't work(Bug #828) in
qemux86 and qemux86-64. We can use timer interrupt mode for now.

Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>

diff --git a/scripts/poky-qemu-internal b/scripts/poky-qemu-internal
index 3638a65a8e1d566491ca3cb804e0c396e1564f7b..046e2b6e04b5485f484b91dc841a668fb0efdc7a 100755 (executable)
--- a/scripts/poky-qemu-internal
+++ b/scripts/poky-qemu-internal
@@ -309,6 +309,9 @@ if [ "$MACHINE" = "qemux86" ]; then
         KERNCMDLINE="root=/dev/nfs nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY"
         QEMUOPTIONS="$QEMU_NETWORK_CMD $QEMU_UI_OPTIONS"
     fi
+    # Currently oprofile's event based interrupt mode doesn't work(Bug #828) in
+    # qemux86 and qemux86-64. We can use timer interrupt mode for now.
+    KERNCMDLINE="$KERNCMDLINE oprofile.timer=1"
 fi
 
 if [ "$MACHINE" = "qemux86-64" ]; then
@@ -330,6 +333,9 @@ if [ "$MACHINE" = "qemux86-64" ]; then
         KERNCMDLINE="root=/dev/nfs nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY"
         QEMUOPTIONS="$QEMU_NETWORK_CMD $QEMU_UI_OPTIONS"
     fi
+    # Currently oprofile's event based interrupt mode doesn't work(Bug #828) in
+    # qemux86 and qemux86-64. We can use timer interrupt mode for now.
+    KERNCMDLINE="$KERNCMDLINE oprofile.timer=1"
 fi
 
 if [ "$MACHINE" = "spitz" ]; then