Re: unexpected results from simple test?

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> 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.

regards
Richard


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