Re: [PATCH v2 01/15] sched: Add task enqueue/dequeue trace points

sched: Add task enqueue/dequeue trace points

TL;DR: Commit message only: the changelog just restates the diff and doesn't
explain why the new sched_enqueue/sched_dequeue tracepoints are needed, a
question Peter Zijlstra raised on v2 that went unanswered.

    sched: Add task enqueue/dequeue trace points

    Add trace points into enqueue_task() and dequeue_task().

    Signed-off-by: Nam Cao [off-list ref]
    Suggested-by: Peter Zijlstra [off-list ref]
    Reviewed-by: K Prateek Nayak [off-list ref]
    Co-developed-by: Gabriele Monaco [off-list ref]
    Signed-off-by: Gabriele Monaco [off-list ref]

Peter Zijlstra asked about the rationale for these tracepoints in the v2
thread:

  "As is I'm clueless as to why we want this, since the Changelog also
  offers none."

  https://lore.kernel.org/all/20261001154934.GT88198@noisy.programming.kicks-ass.net/ (local)

No reply was found in the archive, and the changelog above still consists of
the single sentence restating the diff.

Could the changelog explain why the sched_enqueue and sched_dequeue
tracepoints are needed?


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