[lttng-dev] custom field support in lttng-ust ?

2020-07-13 Thread Adel Belkhiri via lttng-dev
Hi all, Does anybody know if there is a custom field support in lttng-ust (to export atype_struct and atype_variant data fields) like in lttng-modules (ctf_custom_field)? Thank you. Adel ___ lttng-dev mailing list lttng-dev@lists.lttng.org htt

[lttng-dev] Tracing a docker containerized java application from the host

2023-03-15 Thread Adel Belkhiri via lttng-dev
Hello everyone, I am reaching out to seek assistance in tracing an instrumented Java application running within a Docker container from the host side. In my setup, the LTTng session daemon, running on the host side, indicates that application registration has been completed (please refer to the l

[lttng-dev] delay in Java/python events

2023-07-10 Thread Adel Belkhiri via lttng-dev
Hello LTTng community, Currently, I'm tracing a java (and Python) application using LTTng. I noticed there is a considerable delay between the time the tracepoint instruction is executed and the time its corresponding event is recorded by LTTng. It seems that the problem comes from the fact that L

[lttng-dev] The option --enable-jni-interface

2023-07-12 Thread Adel Belkhiri via lttng-dev
Hello, Can anyone plz help me understand the configuration option --enable-jni-interface. As far as I know, we can trace Java programs using loggers whether this option is enabled or not. Am I wrong? I'm asking this question because I'm looking for a way to trace a Java application without using L

[lttng-dev] Hooking up callbacks to LTTng USDT Events

2024-02-06 Thread Adel Belkhiri via lttng-dev
Hi everyone, Hope you're all good. I'm working on something where I need to set up routines or callbacks for specific LTTng USDT events (sticking to user space, not kernel). The plan is to catch these events as they happen to spot performance issues. If anyone's done something like this or has po