Michael, Any updates on this? On Wed, May 04, 2016 at 01:15:50PM +0300, Mike Rapoport wrote: > /dev/cpu is only available on x86 with certain modules (e.g. msr) enabled. > Using lscpu to get processors count is more portable. > > Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> > --- > v3: simplify by using lscpu -p=cpu > v2: use lspcu instead of /proc/cpuinfo as per Cornelia's suggestion > > tools/virtio/ringtest/run-on-all.sh | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tools/virtio/ringtest/run-on-all.sh b/tools/virtio/ringtest/run-on-all.sh > index 52b0f71..2e69ca8 100755 > --- a/tools/virtio/ringtest/run-on-all.sh > +++ b/tools/virtio/ringtest/run-on-all.sh > @@ -3,10 +3,10 @@ > #use last CPU for host. Why not the first? > #many devices tend to use cpu0 by default so > #it tends to be busier > -HOST_AFFINITY=$(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n|tail -1) > +HOST_AFFINITY=$(lscpu -p=cpu | tail -1) > > #run command on all cpus > -for cpu in $(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n); > +for cpu in $(seq 0 $HOST_AFFINITY) > do > #Don't run guest and host on same CPU > #It actually works ok if using signalling > -- > 1.9.1 > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
