On Wed, Aug 05, 2026 at 03:34:04PM -0400, Steven Rostedt wrote: > On Mon, 3 Aug 2026 09:03:56 +0200 > Peter Zijlstra <[email protected]> wrote: > > > > The new syntax is; > > > > > > w[:[GROUP/]EVENT] [r|w|rw]@[ADDR|SYM][:SIZE] [FETCH_ARGs] > > > > > > User also can use $addr to fetch the accessed address and $value to fetch > > > the accessed memory value (shorthand for '+0($addr)'). No other variables > > > are supported. > > > > This seems limited to kernel addresses only? Should not also userspace > > addresses be supported? > > Hmm, how would that work? The address is global for all tasks, so if you > add a user space address, what task would that be for? The one writing the > probe?
Schedule the watchpoint along with the task of course. Given there is breakpoint/perf integration this should be trivial.
