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Feature #1327

closed

Behavior when failing to dlopen lttng-ust libraries

Added by Simon Marchi over 3 years ago. Updated about 3 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Target version:
-
Start date:
10/04/2021
Due date:
% Done:

0%

Estimated time:

Description

When debugging the problem described in #1326, I tried setting LTTNG_UST_DEBUG, but didn't see a mention of something going wrong. We should look into what we do when dlopen'ing lttng-ust libraries fails, such as here:

https://github.com/lttng/lttng-ust/blob/81b2d23800224648edd5850dd43b78d00b668a5e/include/lttng/tracepoint.h#L404-L408

Currently, we silently fail. All the user sees is that tracing doesn't work, and it's quite difficult to know why.

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 #1

Updated by Mathieu Desnoyers over 3 years ago

  • Tracker changed from Bug to Feature
  • Status changed from New to Feedback
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 #2

Updated by Michael Jeanson about 3 years ago

  • Status changed from Feedback to Resolved
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