In a linux part an ioctl(gntdev, IOCTL_GNTDEV_GRANT_COPY, ..)
system call is invoked. In mini-os the operation is yet not
implemented. For the OSs that does not implement gnttab the
call of the grant copy operation causes abort.
Signed-off-by: Paulina Szubarczyk
Reviewed-by: David Vrabel
ers
and on the completion grant copy is called and buffers are freed.
For the 'write' operation grant copy is performed before invoking
write by qemu device.
A new value 'feature_grant_copy' is added to recognize when the
grant copy operation is supported by a guest.
Signed-off
--direct='1' \
--ioengine=libaio \
--filename=$DEV \
--iodepth=$IODEPTH \
--bs=$BS \
--name=$NAME \
--runtime=$RUNTIME >> $FILENAME
The test were repeated at least three
On 09/08/2016 12:00 AM, Paulina Szubarczyk wrote:
On 09/07/2016 10:56 PM, Stefano Stabellini wrote:
On Wed, 7 Sep 2016, Paulina Szubarczyk wrote:
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be
On 09/07/2016 10:56 PM, Stefano Stabellini wrote:
On Wed, 7 Sep 2016, Paulina Szubarczyk wrote:
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be allocated what is
done by calling ioreq_init_copy_buffers
ers
and on the completion grant copy is called and buffers are freed.
For the 'write' operation grant copy is performed before invoking
write by qemu device.
A new value 'feature_grant_copy' is added to recognize when the
grant copy operation is supported by a guest.
Sig
In a linux part an ioctl(gntdev, IOCTL_GNTDEV_GRANT_COPY, ..)
system call is invoked. In mini-os the operation is yet not
implemented. For the OSs that does not implement gnttab the
call of the grant copy operation causes abort.
Signed-off-by: Paulina Szubarczyk
Reviewed-by: David Vrabel
-runtime=$RUNTIME >> $FILENAME
The test were repeated at least three times.
[1]
https://docs.google.com/spreadsheets/d/1E6AMiB8ceJpExL6jWpH9u2yy6DZxzhmDUyFf-eUuJ0c/edit?usp=sharing
[2] https://github.com/paulina-szubarczyk/xen-benchmark
- multitest_with_iodepth.sh
Thanks and regards,
Paulina
--ioengine=libaio \
--filename=$DEV \
--iodepth=$IODEPTH \
--bs=$BS \
--name=$NAME \
--runtime=$RUNTIME >> $FILENAME
The test were repeated at least three times.
[1]
https://docs.google.com/spreadsheets/d/1E6AMiB8ceJpExL6jWpH9u2yy6DZxzhmDUyFf-eUuJ0c/edit?usp=sharing
[2] https://github.com/paulina-szubarczyk/xen-benchmark
- multitest_with_iodepth.sh
Thanks and regards,
Paulina
In a linux part an ioctl(gntdev, IOCTL_GNTDEV_GRANT_COPY, ..)
system call is invoked. In mini-os the operation is yet not
implemented. For the OSs that does not implement gnttab the
call of the grant copy operation causes abort.
Signed-off-by: Paulina Szubarczyk
Reviewed-by: David Vrabel
--ioengine=libaio \
--filename=$DEV \
--iodepth=$IODEPTH \
--bs=$BS \
--name=$NAME \
--runtime=$RUNTIME >> $FILENAME
The test were repeated at least three times.
[1]
https://docs.google.com/s
ers
and on the completion grant copy is called and buffers are freed.
For the 'write' operation grant copy is performed before invoking
write by qemu device.
A new value 'feature_grant_copy' is added to recognize when the
grant copy operation is supported by a guest.
Sig
On 08/09/2016 06:56 PM, Anthony PERARD wrote:
On Tue, Aug 02, 2016 at 04:06:30PM +0200, Paulina Szubarczyk wrote:
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be allocated what is
done by calling
On 08/02/2016 04:06 PM, Paulina Szubarczyk wrote:
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be allocated what is
done by calling ioreq_init_copy_buffers. For the 'read' operation,
first
On 08/08/2016 01:11 PM, Roger Pau Monné wrote:
On Tue, Aug 02, 2016 at 04:06:30PM +0200, Paulina Szubarczyk wrote:
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be allocated what is
done by calling
On 08/04/2016 11:38 AM, Wei Liu wrote:
The code looks ok. I have two minor suggestions below.
I would suggest changing the subject line to:
libs/gnttab: introduce grant copy interface
On Tue, Aug 02, 2016 at 04:06:29PM +0200, Paulina Szubarczyk wrote:
In a linux part an ioctl(gntdev
ers
and on the completion grant copy is called and buffers are freed.
For the 'write' operation grant copy is performed before invoking
write by qemu device.
A new value 'feature_grant_copy' is added to recognize when the
grant copy operation is supported by a guest.
Sig
--ioengine=libaio \
--filename=$DEV \
--iodepth=$IODEPTH \
--bs=$BS \
--name=$NAME \
--runtime=$RUNTIME >> $FILENAME
The test were repeated at least three times.
[1]
https://docs.google.com/s
In a linux part an ioctl(gntdev, IOCTL_GNTDEV_GRANT_COPY, ..)
system call is invoked. In mini-os the operation is yet not
implemented. For the OSs that does not implement gnttab the
call of the grant copy operation causes abort.
Signed-off-by: Paulina Szubarczyk
---
Changes since v3:
- revert to
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