On Fri, 3 Aug 2018 11:08:58 -0700 Dave Taht <dave.t...@gmail.com> wrote:
> On Fri, Aug 3, 2018 at 10:50 AM Matteo Croce <mcr...@redhat.com> wrote: > > > > When 'ip link show dev DEVICE' is processed in a batch mode, ip exits > > and stop processing further commands. > > This because ipaddr_list_flush_or_save() calls exit() to avoid printing > > the link information twice. > > Replace the exit with a classic goto out instruction. > > > > Signed-off-by: Matteo Croce <mcr...@redhat.com> > > one thing I noticed in iproute2-next last week is that > > ( echo qdisc show dev eno1; sleep 5; echo qdisc show dev eno1; ) | tc -b - > > batches the whole thing up to emerge on exit, only. > > It didn't used to do that, the output of every command came out as it > completed. I used to use that to timestamp and save the overhead of > invoking the tc utility on openwrt while monitoring qdisc stats in > https://github.com/tohojo/flent/blob/master/misc/tc_iterate.c There used to be lots of fflush(stdout) in each sub command but lots of these got dropped in JSON updates. I just added one back in after each batch command that should fix what you are seeing.
