????
B.R ------------------ ???????? ------------------ ??????: Gao Xiang <[email protected]> ????????: 2019??7??18?? 15:22 ??????: ZHOU <[email protected]> ????: Miao Xie <[email protected]>, linux-erofs <[email protected]> ????: ????????????????????????????????????eros???????? 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??????????
