: lttng-dev@lists.lttng.org
Subject: Re: [lttng-dev] Cost of enabling context field procname
Hi Jonas,
Good question.
Let's take a look at the source code.
We should find what we are looking for in liblttng-ust/lttng-context-procname.c
[1].
[1]
https://github.com/lttng/lttng-ust/blob/m
Hi Jonas,
Good question.
Let's take a look at the source code.
We should find what we are looking for in liblttng-ust/lttng-context-procname.c
[1].
[1]
https://github.com/lttng/lttng-ust/blob/master/liblttng-ust/lttng-context-procname.c
The comment at the top hint that we do cache the result
- On Dec 5, 2018, at 7:21 AM, Jonas Andersson L
wrote:
> Hi
> I’m interested in information regarding the cost of enabling procname context
> field. Is this field cached and read only at initialization or is the thread
> name fetched at each trace point? Thanks!
It is cached.
Thanks,