On 11/02/2012 07:35 PM, MORITA Kazutaka wrote: > Currently, '-a' option generates too many I/O requests and causes > ENFILE error in sheep. This adds '-C' option to limit the maximum > number of concurrent I/O requests. > What is ENFILE eorror? > This patch also removes all synchronous I/O operations to simplify > codes. > > Signed-off-by: MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> > --- > script/vditest | 78 ++++++++++++++++++++++++++++++-------------------------- > 1 files changed, 42 insertions(+), 36 deletions(-) > > diff --git a/script/vditest b/script/vditest > index 8f6fbdd..ffaf522 100755 > --- a/script/vditest > +++ b/script/vditest > @@ -18,7 +18,7 @@ use IPC::Open2; > my $program = "vditest"; > my ($vdiname, $vdisize); > > -my $use_aio = 0; > +my $concurrency = 1; maybe default to a bigger value, like 128 is better? Thanks, Yuan |