Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108


* Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx> wrote:

Following an advice Christoph gave me this summer, submitting a
smaller, easier to review patch should make everybody happier. Here is
a stripped down version of LTTng : I removed everything that would
make the code review reluctant (especially kernel instrumentation and
kernel state dump module). I plan to release this "core" version every
few LTTng releases and post it to LKML.

Comments and reviews are very welcome.

i have one very fundamental question: why should we do this
source-intrusive method of adding tracepoints instead of the dynamic,
unintrusive (and thus zero-overhead) KProbes+SystemTap method?

Ingo
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Relevant Pages

  • [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108
    ... easier to review patch should make everybody happier. ... review reluctant (especially kernel instrumentation and kernel state dump ... I plan to release this "core" version every few LTTng releases ...
    (Linux-Kernel)
  • Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108
    ... Here is a stripped down version of LTTng: I removed everything that would make the code review reluctant (especially kernel instrumentation and kernel state dump module). ... source-intrusive method of adding tracepoints instead of the dynamic, unintrusive KProbes+SystemTap method? ...
    (Linux-Kernel)