>From the start of these tools, Polytechnique was involved in Research projects
>to design and prototype new advanced features for tracing, profiling and
>debugging parallel distributed heterogeneous systems with LTTng and Trace
>Compass. This work is conducted in collaboration with Ericsson, Ef
> Without recompiling, how would that be implemented?
As you mentioned, this is possible when "jump patching" 5 bytes instructions.
Fast tracepoints in GDB and in kprobe do it. Kprobe goes further and patches
sequences of instructions (because the target instruction is less than 5 bytes)
if t
You are probably referring to the work of Mohammad Gebai:
Survey and Analysis of Kernel and Userspace Tracers on Linux: Design,
Implementation, and Overhead
https://dl.acm.org/doi/abs/10.1145/3158644
- Le 11 Sep 23, à 11:52, Mathieu Desnoyers mathieu.desnoy...@efficios.com a
écrit :
> On
