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DM: Adjust the priority related with ioreq emulation for Android Guest

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When the IO/MMIO acccess on Android guest causes the trap to hypervisor,
it will be blocked until the ioreq emulation is completed.
In order to get the better performance, it will be better that the ioreq
emulation can be completed ASAP. As it is handled in SOS kernel, the
corresponding thread priority will be raised.

Tracked-On:#3242
Signed-off-by: Liu, Shuo <shuo.liu@intel.com>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
This commit is contained in:
Zhao Yakui 2019-05-10 13:20:18 +08:00 committed by wenlingz
parent 0a0213695e
commit f4daf2d127
1 changed files with 10 additions and 1 deletions
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11
devicemodel/samples/apl-mrb/launch_uos.sh
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@ -378,7 +378,16 @@ echo "dm_run: after passthru dev preparing" > /dev/kmsg
-l com2,/run/acrn/ioc_$vm_name \
$boot_image_option \
--enable_trusty \
-B "$kernel_cmdline" $vm_name
-B "$kernel_cmdline" $vm_name &
sleep 10
ps -lLcA | grep acrngt_emulatio | awk -F' ' '{print $6}' | while read line; do cat /proc/$line/comm; renice -n -10 $line; done
ps -lLcA | grep vcpu | awk -F' ' '{print $6}' | while read line; do cat /proc/$line/comm; renice -n -10 $line; done
ps -lLcA | grep ioreq | awk -F' ' '{print $6}' | while read line; do cat /proc/$line/comm; renice -n -10 $line; done
ps -lLcA | grep gvt | awk -F' ' '{print $6}' | while read line; do cat /proc/$line/comm; renice -n -10 $line; done
wait
}
function launch_alios()