Re: [PATCH v3 0/8] Generic IPI sending tracepoint

2022-12-13 Thread Palmer Dabbelt
On Fri, 02 Dec 2022 07:58:09 PST (-0800), vschn...@redhat.com wrote: Background == Detecting IPI *reception* is relatively easy, e.g. using trace_irq_handler_{entry,exit} or even just function-trace flush_smp_call_function_queue() for SMP calls. Figuring out their *origin*, is trickier

[PATCH v3 0/8] Generic IPI sending tracepoint

2022-12-02 Thread Valentin Schneider
Background == Detecting IPI *reception* is relatively easy, e.g. using trace_irq_handler_{entry,exit} or even just function-trace flush_smp_call_function_queue() for SMP calls. Figuring out their *origin*, is trickier as there is no generic tracepoint tied to e.g. smp_call_function():