On Tue, Sep 24, 2019 at 02:32:41PM +0000, Kramer, Zach wrote: > Hi, > > Is LTTng intended to support userspace applications that change their UID at > run-time? As in, is there an expected behavior for when this happens? > > For example: > > 1. Embedded device boots > 2. My daemon is launched as root via systemd > 3. Runs privileged code > 4. Changes UID to a less privileged user (500) > 5. Creates LTTng session > * If session already exists, destroy it first > 6. <if ‘systemctl stop’ is called>: Destroy session > * Otherwise it will be destroyed next daemon launch in step 5
When in this chain of operations is lttng-sessiond started? > > [cid:image001.png@01D56F9D.AF158770] > The logs are cleared when ‘lttng destroy sess’ is called via the LTTng C-API. > From my understanding, this should not happen. I would tend to agree with you here. Would you be able to provide a small reproducer for this? What is the version of lttng-* -- Jonathan Rajotte-Julien EfficiOS _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
