[systemd-devel] journal entries for most recent pid?

[Lennart Poettering]

On Thu, 24.04.14 16:31, Zbigniew Jędrzejewski-Szmek (zbyszek at in.waw.pl) wrote:

> > > > I have added this now to the TODO list, but don't hold your breath...
> > > I've been thinking about this too, and actually for the same usecase (i.e.
> > > logs from X). I think we should teach various programs like X to logs an
> > > equivalent of _BOOT_ID (e.g. "XORG_RUN_ID"), and then systemctl could be
> > > extended to support it the same -b / --list-boots, except that the
> > > user would specify the tag (e.g. XORG_RUN_ID) to sort on. The
> > > advantage would be that e.g. Xorg and gdm could agree to use the same
> > > tag for the same session, thus making is easy to correlate log
> > > messages.
> > 
> > Hmm, such an XORG_RUN_ID would be pretty close to _SYSTEMD_SESSION=
> > then, no?
> Yeah, but _SYSTEMD_SESSION repeats... It would be useful to have a randomized
> tag too. _SYSTEMD_SESSION_ID?

The idea was that it may be combined with the BOOT_ID and you'd then have
a unique identifier... But the combination of the two fields would have
to be client side...

Lennart

-- 
Lennart Poettering, Red Hat