Thread (10 messages) 10 messages, 2 authors, 2023-02-14

Re: [PATCH v4 0/7] Generic IPI sending tracepoint

From: Valentin Schneider <vschneid@redhat.com>
Date: 2023-02-14 14:13:45
Also in: linux-alpha, linux-mips, linux-riscv, linux-s390, linux-sh, linuxppc-dev, lkml, loongarch, sparclinux

Hey folks,

On 19/01/23 14:36, Valentin Schneider wrote:
Patches
=======

o Patches 1-5 spread out the tracepoint across relevant sites.
  Patch 5 ends up sprinkling lots of #include <trace/events/ipi.h> which I'm not
  the biggest fan of, but is the least horrible solution I've been able to come
  up with so far.

o Patch 7 is trying to be smart about tracing the callback associated with the
  IPI.

This results in having IPI trace events for:

o smp_call_function*()
o smp_send_reschedule()
o irq_work_queue*()
o standalone uses of __smp_call_single_queue()
This still rebases cleanly on top of the latest tip/sched/core, any
objections to parking it there?


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