On Tue, Sep 03, 2019 at 03:25:59PM +0200, Viktor Rosendahl wrote: > It seems like it would be possible to simply replace the calls to > latency_fsnotify_enable/disable() with calls to > start/stop_critical_timings(). However, the main problem is that it > would not work for the wakup tracer. The wakeup tracer needs a > facility that postpones the notifications, not one that prevents the > measurements because all its measurements takes place in the middle > of __schedule(). On the other hand, in some places, like in idle and > the console we need start stop functions that prevents the > measurements from being make.
Like Joel already mentioned; you can use irq_work here.