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Found out that this is due to missing some entry as shown in this URL:
https://review.opendev.org/c/openstack/neutron/+/273951/16/etc/api-paste.ini#8

On Tue, Feb 28, 2023 at 8:55 AM hai wu <haiwu.us at gmail.com> wrote:
>
> Thank you! This all makes sense to me. But I just tried again, by
> putting the same [profiler] configuration entries (as those in
> nova.conf/glance-api.conf/cinder.conf files) into
> /etc/neutron/neutron.conf, and restarted all neutron services on the
> controller host, and it still does not work when I tried to run
> `openstack network list --os-profile MY_KEY_HERE`, and I could not
> find any new entries showing up in redis. The same is working for all
> other services.
> I enabled `debug = True` in neutron.conf, and I could see all the
> entries for the profiler got setup correctly from its neutron-api.log.
>
> What else I could look into for this issue?
>
> On Tue, Feb 28, 2023 at 3:09 AM Takashi Kajinami <tkajinam at redhat.com> wrote:
> >
> >
> >
> > On Tue, Feb 28, 2023 at 6:05 PM Takashi Kajinami <tkajinam at redhat.com> wrote:
> >>
> >> It seems the entrypoint to load osprofiler options are missing from the file used by oslo-config-generator.
> >> This should fix the missing options. https://review.opendev.org/c/openstack/neutron/+/875622
> >
> >
> > To clarify this a bit, the config file to generate neutron.conf does not include the appropriate entrypoint
> > so oslo-config-generator does not load osprofiler options and these options are not rendered.
> >
> > However options themselves are valid and you can add the [profiler] section and desired options to neutron.conf
> > additionally (or by any tooling) then neutron should be able to load these additional options .
> >
> >>
> >>
> >> On Tue, Feb 28, 2023 at 5:03 PM Hoai-Thu Vuong <thuvh87 at gmail.com> wrote:
> >>>
> >>> You can check this file: https://github.com/openstack/neutron/blob/master/neutron/common/profiler.py.
> >>> If you would like to install with kolla-ansible, osprofiler configure should be manual added to /etc/kolla/config/neutron/(some thign herre) (i guess)
> >>>
> >>> On Tue, Feb 28, 2023 at 2:57 PM Slawek Kaplonski <skaplons at redhat.com> wrote:
> >>>>
> >>>> Hi,
> >>>>
> >>>>
> >>>> Dnia wtorek, 28 lutego 2023 03:39:23 CET hai wu pisze:
> >>>>
> >>>> > There is this `profiler` section for osprofiler for
> >>>>
> >>>> > nova.conf/glance-api.conf/cinder.conf/keystone.conf.
> >>>>
> >>>> >
> >>>>
> >>>> > But there's no such section for neutron.conf, why? I could not find
> >>>>
> >>>> > this section in even the latest neutron.conf document.
> >>>>
> >>>> >
> >>>>
> >>>> > Thus I could not get `openstack network list --os-profile MY_KEY_HERE` to work.
> >>>>
> >>>> >
> >>>>
> >>>> >
> >>>>
> >>>>
> >>>> maybe it's not documented (and that would be bug worth reporting) but You can use it with neutron for sure. We are doing that e.g. in neutron-ovs-rally-task CI job. See neutron config example from that job [1]. And result of profiling is then in the rally page [2] in the "Scenario Data" tab.
> >>>>
> >>>>
> >>>> [1] https://a5ee3d263fc9f9b0b1b0-8b0899cb6c8c0582fa25b52fb6031f3e.ssl.cf5.rackcdn.com/874931/1/check/neutron-ovs-rally-task/e29e551/controller/logs/etc/neutron/neutron_conf.txt
> >>>>
> >>>> [2] https://a5ee3d263fc9f9b0b1b0-8b0899cb6c8c0582fa25b52fb6031f3e.ssl.cf5.rackcdn.com/874931/1/check/neutron-ovs-rally-task/e29e551/results/report.html#/NeutronNetworks.create_and_bind_ports/output
> >>>>
> >>>>
> >>>> --
> >>>>
> >>>> Slawek Kaplonski
> >>>>
> >>>> Principal Software Engineer
> >>>>
> >>>> Red Hat
> >>>
> >>>
> >>>
> >>> --
> >>> Thu.