Hi,
I just started working with lttng recently, so apologies if this is a dumb
question.
Suppose I have configured and started a session and have collected a bunch of
traces in a trace file. Now I want to clear those traces but then continue
saving new traces using the same session. Is there
Thanks for your reply Jonathan,
I don't remember ever having this problem before. I posted my question
to lttng-dev without being subscribed, so I did not get your reply in an email.
I'm pasting it from the archives into an email this time, but I've just sent a
Subscription request so next time h
Hi,
We have an application that uses lttng-ust for logging. We are seeing a crash
in getenv here:
#0 __GI_getenv (name=0xb6eb06de "TNG_UST_WITHOUT_BADDR_STATEDUMP") at
getenv.c:85
#1 0xb6e7b350 in do_baddr_statedump (owner=0xb6ecf300 ) at
lttng-ust-statedump.c:315
#2 do_lttng_ust_statedump
> Thanks a lot for the very thorough but report!
> I just prepared a patch for you sent in a separate thread:
> "[PATCH lttng-ust] Fix: race between lttng-ust getenv() and application
> setenv()"
> Can you give it a try and let me know if it fixes things on your side ?
Thanks for the quick turnar
Hi,
We have an init-like top-level application that starts a bunch of other
daemons. This top-level daemon is started with LD_PRELOAD=
/usr/lib/liblttng-ust-fork.so.0 so all the daemons that it starts inherit that.
Sometimes we want to debug one of these child applications, so we arrange that
Regarding https://lists.lttng.org/pipermail/lttng-dev/2018-June/028074.html,
it may not be obvious that the reason he is bringing that up is that we
(Ericsson)
need that functionality to implement the clear log functionality that we have
mentioned to you before. To clear the logs, we currently do:
