On 02/05/2018 16:17, Punit Agrawal wrote:
> Hi Laurent,
>
> One query below -
>
> Laurent Dufour writes:
>
> [...]
>
>>
>> Ebizzy:
>> ---
>> The test is counting the number of records per second it can manage, the
>> higher is the best. I run it like this 'ebizzy -mTRp'. To get consisten
Hi Laurent,
One query below -
Laurent Dufour writes:
[...]
>
> Ebizzy:
> ---
> The test is counting the number of records per second it can manage, the
> higher is the best. I run it like this 'ebizzy -mTRp'. To get consistent
> result I repeated the test 100 times and measure the average
This is a port on kernel 4.16 of the work done by Peter Zijlstra to
handle page fault without holding the mm semaphore [1].
The idea is to try to handle user space page faults without holding the
mmap_sem. This should allow better concurrency for massively threaded
process since the page fault han
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