On Mon, Jul 15, 2019 at 02:47:37PM +0200, Peter Zijlstra wrote: > On Thu, Jul 11, 2019 at 12:53:05PM +0200, Peter Zijlstra wrote: > > > I wish we could use event->ctx->task instead but on pmu::init() there > > > is no ctx yet (we could pass the task in parameter though) > > > > Right, that should be fairly easy. > > > > > and on event->destroy() it's TASK_TOMBSTONE and retrieving the task at > > > that time would be non trivial. > > > > Well, right, we can maybe make TOMBSTONE be the LSB instead of the whole > > word, then we can recover the task pointer... *yuck* though. > > Something like the attached, completely untested patches. > > I didn't do the hw_breakpoint bit, because I got lost in that, but this > basically provides what you asked for I think. >
Thanks they look good! I can take them and work on top if you like.
