On 2019/7/18 15:13, ZHOU wrote:
> Dear Gao xiang,
> ????fio????????????cpu??????????????????????????erofs????????ext4??????????????????performance
> ??????????erofs??????ext4????????
??????????????????????erofs??????????????????????????cpu loading??????????????
android??CPU????????????????????????????????????????????CPU??????????????????
????????????????????
????????????????pc????lz4????????????????????????????????????????????????????????????????????????????????????????????????????????????????
>
> Thanks
> B.R
>
>
> ------------------ ???????? ------------------
> *??????:* Gao Xiang <[email protected]>
> *????????:* 2019??7??18?? 11:56
> *??????:* ZHOU <[email protected]>
> *????:* Miao Xie <[email protected]>, linux-erofs
> <[email protected]>
> *????:* ??????????????????????????????eros????????
>
>
>
> On 2019/7/18 11:53, ZHOU wrote:
>> iozone ????????????????open??????O_RDONLY,
>> ????????-+E????????????????????????????
>
> ??????????fio??????????????????????????LBA????????????????????????????????????????????
> ??????????????????????????????????????????????????????
>
>>
>> ????????
>> B.R
>>
>>
>>
>>
>>
>>
>> ------------------ ???????? ------------------
>> *??????:* Gao Xiang <[email protected]>
>> *????????:* 2019??7??18?? 11:46
>> *??????:* ZHOU <[email protected]>
>> *????:* Miao Xie <[email protected]>, linux-erofs
>> <[email protected]>
>> *????:* ????????????????????????eros????????
>>
>>
>>
>> On 2019/7/18 11:39, ZHOU wrote:
>>> ????????config CONFIG_EROFS_FS_ZIP_CACHE_BIPOLAR ??????????????
>>> ????????????????????????????????????loop????erofs??ext4????????????????????????LBA??
>>
>> loop????????????????????iozone????????????????????????????????????ext4????????
>> ??????????????????????fio??????????????????????????mkfs??????????????????????????????????????????????
>>
>>>
>>> ??????????????
>>>
>>> B.R
>>>
>>>
>>>
>>>
>>>
>>> ------------------ ???????? ------------------
>>> *??????:* Gao Xiang <[email protected]>
>>> *????????:* 2019??7??18?? 11:28
>>> *??????:* ZHOU <[email protected]>
>>> *????:* Miao Xie <[email protected]>, linux-erofs
>>> <[email protected]>
>>> *????:* ??????????????????eros????????
>>>
>>>
>>>
>>> On 2019/7/18 11:24, ZHOU wrote:
>>>> ???? ??????????erofs?????? ????????????????????????
>>>> ????????xattr??????????????share????????????android????????????????????????????????security??????????????kernel??
>>>
>>> ??????????????????????????????????????????????????android????????????????????????????????log??????
>>> ??????????????????????LBA????????????????????????????????????????flash????????LBA??????????????
>>> ??????????????????????????????????????????config????????CONFIG_EROFS_FS_ZIP_CACHE_BIPOLAR
>>>
>>>>
>>>> B.R
>>>>
>>>>
>>>> ------------------ ???????? ------------------
>>>> *??????:* Gao Xiang <[email protected]>
>>>> *????????:* 2019??7??18?? 11:19
>>>> *??????:* ZHOU <[email protected]>
>>>> *????:* Miao Xie <[email protected]>, linux-erofs
>>>> <[email protected]>
>>>> *????:* ????????????eros????????
>>>>
>>>>
>>>>
>>>> On 2019/7/18 11:15, ZHOU wrote:
>>>>> Dear xiang,
>>>>> ????????directIO,
>>>>> ????,????????????????????????????
>>>>
>>>> ????????????????????????????????????????????
>>>>
>>>> ??????
>>>>
>>>>>
>>>>> ????????
>>>>>
>>>>>
>>>>> ------------------ ???????? ------------------
>>>>> *??????:* Gao Xiang <[email protected]>
>>>>> *????????:* 2019??7??18?? 11:10
>>>>> *??????:* ZHOU <[email protected]>
>>>>> *????:* Miao Xie <[email protected]>, linux-erofs
>>>>> <[email protected]>
>>>>> *????:* ??????eros????????
>>>>>
>>>>>
>>>>>
>>>>> On 2019/7/18 10:54, Gao Xiang wrote:
>>>>>>> ????erofs????????????????./iozone -i 2 -s 300m -r 4k -+E -w -f
>>>>>>> ./vendor/tmp_file
>>>>>> ??????????????????????????????????????fio????????
>>>>>>
>>>>>
>>>>> ??????????????????????pattern????????????????????????
>>>>> echo 3 > /proc/sys/vm/drop_caches
>>>>> ./fio --readonly -rw=randread -size=100% -bs=4k -name=job1
>>>>>
>>>>> ????????????????????direct I/O??????????direct I/O????????????????direct
>>>>> I/O??????????
>>>>> ????????????direct I/O??????????
