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Operating Systems Linux Best tuning for qemu windows guest(windows 7) Post 303025176 by Linusolaradm1 on Thursday 25th of October 2018 11:11:59 PM
Old 10-26-2018
with scsi-virtio controller and qemu 3.0 best work with


cache=unsafe
io=threads
discard mode=ignore
detect zeroes=off
 

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tapset::scsi(3stap)													       tapset::scsi(3stap)

NAME
tapset::scsi - systemtap scsi tapset DESCRIPTION
This family of probe points is used to probe SCSI activities. scsi.ioentry Prepares a SCSI mid-layer request See probe::scsi.ioentry(3stap) for details. scsi.iodispatching SCSI mid-layer dispatched low-level SCSI command See probe::scsi.iodispatching(3stap) for details. scsi.iodone SCSI command completed by low level driver and enqueued into the done queue. See probe::scsi.iodone(3stap) for details. scsi.iocompleted SCSI mid-layer running the completion processing for block device I/O requests See probe::scsi.iocompleted(3stap) for details. scsi.ioexecute Create mid-layer SCSI request and wait for the result See probe::scsi.ioexecute(3stap) for details. scsi.set_state Order SCSI device state change See probe::scsi.set_state(3stap) for details. SEE ALSO
probe::scsi.ioentry(3stap), probe::scsi.iodispatching(3stap), probe::scsi.iodone(3stap), probe::scsi.iocompleted(3stap), probe::scsi.ioexecute(3stap), probe::scsi.set_state(3stap), stap(1), stapprobes(3stap) IBM
--- tapset::scsi(3stap)
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