On 2016-10-12 14:21, Thibault, Daniel wrote: > Using: > lttng-modules-stable-2.8-2.8.2-e840206 > userspace-rcu-stable-0.9-6051170 > lttng-ust-stable-2.8-cf18865 > lttng-tools-stable-2.8-2.8.2-48262f1 > on: > Red Hat Enterprise Linux Server release 7.2 (Maipo) (RHEL 7.2 64-bits) > Kernel 3.10.0-327.el7.x86_64 > > I'm having trouble with my installation of lttng-sessiond as a service. If I > run lttng-sessiond using either -b, -d, or just -vvv, it works fine (I can > interrogate 'lttng list -u' from a tracing user shell and detect the process > using 'ps -e | grep sessiond'). > > But when I launch the service, I end up with a "successfully dead" daemon: > > # systemctl start lttng-sessiond > # systemctl status lttng-sessiond > * lttng-sessiond.service - LTTng central tracing registry session daemon > Loaded: loaded (/etc/systemd/system/lttng-sessiond.service; enabled; > vendor preset: enabled) > Active: inactive (dead) since ... > Process: 5865 ExecStart=/usr/local/bin/lttng-sessiond -d (code=exited, > status=0/SUCCESS) > Main PID: 5865 (code=exited, status=0/SUCCESS) > > There's nothing in dmesg. > > The service is set up like so: > > $ sudo ln -s /etc/systemd/system/lttng-sessiond.service > /etc/systemd/system/multi-user.target.wants/lttng-sessiond.service > $ cat > ~/lttng-sessiond.service << END > [Unit] > Description=LTTng central tracing registry session daemon > > [Service] > Type=simple > User=root > ExecStart=/usr/local/bin/lttng-sessiond -d
You should remove the "-d", systemd expects the daemon to stay in the foreground so it can monitor it. > Restart=on-abort > > [Install] > WantedBy=multi-user.target > END > $ sudo mv ~/lttng-sessiond.service /etc/systemd/system/lttng-sessiond.service > > What am I doing wrong? > > Daniel U. Thibault, M.Sc.² > > Informaticien scientifique, CME-PSC, Centre de recherches de Valcartier > Recherche et développement pour la défense Canada / Gouvernement du Canada > daniel.thiba...@drdc-rddc.gc.ca / Tél: 418-844-4000x4245 Téléc: 418-844-4538 > daniel.thiba...@forces.gc.ca / Tél: 418-844-4000x4245 Téléc: 418-844-4538 > > Computer Scientist, MCCS-SPC, Valcartier Research Centre > Defence Research and Development Canada / Government of Canada > daniel.thiba...@drdc-rddc.gc.ca / Tel: 418-844-4000x4245 Fax: 418-844-4538 > daniel.thiba...@forces.gc.ca / Tel: 418-844-4000x4245 Fax: 418-844-4538 > > DRDC is an agency of the Department of National Defence / RDDC est une agence > du ministère de la Défense nationale > _______________________________________________ > lttng-dev mailing list > lttng-dev@lists.lttng.org > https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev