[srsran-users] logs related questions

[Antonio Albanese]

Along Joe's lines, a while back I was looking into hooking up
https://github.com/grafana/loki to the logger. I started working on it but
never finished, so I can't guarantee the overall performance.

Antonio
ᐧ

On Thu, 2 May 2024 at 15:11, J Giovatto <jgiovatto at adjacentlink.com> wrote:

> Hi,
>
> Looking at lib/src/srslog/sinks/file_utils.h   it looks like the logger
> uses std::fwrite, so any delay will be associated with its behavior as far
> a I can see.
>
> The log buffer for the EPC probably does not reach size needed to flush to
> the file while running, when the app closes any pending data is flushed.
>
> You can lookup std::write buffering for more.
>
> Well the brute force way would be to call flush after every write call,
> with expense of slowing down the application.
>
> A better approach might be to create another type of sink (like a socket)
> for the logs/events you want to track and listen for those instead of
> parsing files.
>
> Joe
>
>
> On 5/2/24 05:13, Patrycja Palus (TME) wrote:
>
> •• PROTECTED 関係者外秘
>
> Hello all,
>
> I hope you all doing well! Currently I work on project, where I use srsRAN
> as a network generator, but to improve it I create some scripts to automate
> running the network. For that I need to analyse real time logs, that are
> generated on eNB and EPC side. I'm trying to figure out the logic that
> stands behind writing and savings logs, but I can't recognize any pattern.
> So here are my questions:
>
>
>    1. What is expected delay in writing logs? Other words, how much time
>    should I expect from the action from eNB/EPC to log to appear on the log
>    file?
>    2. Why EPC logs appear only when I stop running EPC? So far, I don't
>    have any UE to connect, is there a chance that software needs to run for
>    longer to write down logs or there must be more lines to be generated?
>    3. Is there the way for me to configure somehow logs so I'm able to
>    set how often log file is refreshed with new lines? Or maybe there is other
>    way for me to capture logs before they appear in log files?
>
>
> I hope you can help me with solving my problems 🙂
>
> Br,
> Patrycja
>
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