poky-qemu-internal: force oprofile into using timer interrupt mode for qemux86/qemux86-64 for now

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.

(From OE-Core rev: 39249cfde962b3338c2c55b99a03842ec25ecd44)

Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/scripts/poky-qemu-internal b/scripts/poky-qemu-internal
index 3638a65a8e..046e2b6e04 100755
--- 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