QEMUFile currently doesn't support writev(). For sending multiple
data, such as pages, using writev() should be more efficient.
Signed-off-by: Yoshiaki Tamura
---
buffered_file.c |2 +-
hw/hw.h | 16
savevm.c| 43 +
On 04/21/2010 12:57 AM, Yoshiaki Tamura wrote:
QEMUFile currently doesn't support writev(). For sending multiple
data, such as pages, using writev() should be more efficient.
Signed-off-by: Yoshiaki Tamura
Is there performance data that backs this up? Since QEMUFile uses a
linear buffer
Anthony Liguori wrote:
On 04/21/2010 12:57 AM, Yoshiaki Tamura wrote:
QEMUFile currently doesn't support writev(). For sending multiple
data, such as pages, using writev() should be more efficient.
Signed-off-by: Yoshiaki Tamura
Is there performance data that backs this up? Since QEMUFile use
On 04/22/2010 10:37 PM, Yoshiaki Tamura wrote:
Anthony Liguori wrote:
On 04/21/2010 12:57 AM, Yoshiaki Tamura wrote:
QEMUFile currently doesn't support writev(). For sending multiple
data, such as pages, using writev() should be more efficient.
Signed-off-by: Yoshiaki Tamura
Is there perform
On 04/23/2010 04:22 PM, Anthony Liguori wrote:
I currently don't have data, but I'll prepare it.
There were two things I wanted to avoid.
1. Pages to be copied to QEMUFile buf through qemu_put_buffer.
2. Calling write() everytime even when we want to send multiple pages
at once.
I think 2 may
Anthony Liguori wrote:
On 04/22/2010 10:37 PM, Yoshiaki Tamura wrote:
Anthony Liguori wrote:
On 04/21/2010 12:57 AM, Yoshiaki Tamura wrote:
QEMUFile currently doesn't support writev(). For sending multiple
data, such as pages, using writev() should be more efficient.
Signed-off-by: Yoshiaki T
2010/4/23 Avi Kivity :
> On 04/23/2010 04:22 PM, Anthony Liguori wrote:
>>>
>>> I currently don't have data, but I'll prepare it.
>>> There were two things I wanted to avoid.
>>>
>>> 1. Pages to be copied to QEMUFile buf through qemu_put_buffer.
>>> 2. Calling write() everytime even when we want to
On 05/03/2010 04:32 AM, Yoshiaki Tamura wrote:
2010/4/23 Avi Kivity:
On 04/23/2010 04:22 PM, Anthony Liguori wrote:
I currently don't have data, but I'll prepare it.
There were two things I wanted to avoid.
1. Pages to be copied to QEMUFile buf through qemu_put_buffer.
2. Calling wri
2010/5/3 Anthony Liguori :
> On 05/03/2010 04:32 AM, Yoshiaki Tamura wrote:
>>
>> 2010/4/23 Avi Kivity:
>>
>>>
>>> On 04/23/2010 04:22 PM, Anthony Liguori wrote:
>>>
>
> I currently don't have data, but I'll prepare it.
> There were two things I wanted to avoid.
>
> 1. Pages to
On 05/03/2010 10:36 AM, Yoshiaki Tamura wrote:
Great!
I also wanted to test with 10GE but I'm physically away from my office
now, and can't set up the test environment. I'll measure the numbers
w/ 10GE next week.
BTW, I was thinking to write a patch to separate threads for both
sender and rece
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