On Mon, Jun 22 2009, Richard Kennedy wrote:
>
> > In any case, please try and download a new fresh version and see if that
> > makes it any better.
> >
> > There was also a recent linux kernel futex problem that fio triggered,
> > so it could also be a kernel issue. Again, knowing what the two other
> > jobs are doing would help.
> >
> Hi Jens,
>
> 'strace -f' running on a freshly built fio 1.28
>
> It runs somewhat slowly but I just get lots of reads & writes like these
>
> [pid 6597] gettimeofday({1245679454, 899777}, NULL) = 0
> [pid 6597] lseek(8, 419278848, SEEK_SET) = 419278848
> [pid 6597] gettimeofday({1245679454, 899917}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 899988}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 900059}, NULL) = 0
> [pid 6597] write(8, "+\265bB\305\243g+\214\313\313\377\20H\237\356\266
> \326X\335<\37\317K\207\317,/\335J\206\267\33"..., 4096) = 4096
> [pid 6597] gettimeofday({1245679454, 900244}, NULL) = 0
> [pid 6597] lseek(8, 419282944, SEEK_SET) = 419282944
> [pid 6597] gettimeofday({1245679454, 900391}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 900463}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 900534}, NULL) = 0
> [pid 6597] read(8, "+\265bB\305\243g+\214\313\313\377\20H\237\356\266
> \326X\335<\37\317K\207\317,/\335J\206\267\33"..., 4096) = 4096
> [pid 6597] gettimeofday({1245679454, 900705}, NULL) = 0
> [pid 6597] lseek(8, 419287040, SEEK_SET) = 419287040
> [pid 6597] gettimeofday({1245679454, 900845}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 900914}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 900985}, NULL) = 0
> [pid 6597] write(8, "+\265bB\305\243g+\214\313\313\377\20H\237\356\266
> \326X\335<\37\317K\207\317,/\335J\206\267\33"..., 4096) = 4096
> [pid 6597] gettimeofday({1245679454, 901171}, NULL) = 0
> [pid 6597] lseek(8, 419291136, SEEK_SET) = 419291136
> [pid 6597] gettimeofday({1245679454, 901309}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 901379}, NULL) = 0
> [pid 6597] gettimeofday({1245679454, 901460}, NULL) = 0
> [pid 6597] read(8, "+\265bB\305\243g+\214\313\313\377\20H\237\356\266
> \326X\335<\37\317K\207\317,/\335J\206\267\33"..., 4096) = 4096
>
>
> where pid 6597 is job f1
>
> I'll rebuild my kernel from the latest git, and check that.
So it's still running, perhaps the eta is just off. Is write back
caching disabled on that drive?
--
Jens Axboe
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