On Wed, 18 Jun 2025 11:37:06 -0400 Steven Rostedt <rost...@goodmis.org> wrote:
> > What about two CPUs managing to request an unwind at exactly the same > > time? > > It's mapped to a task. As long as each timestamp is unique for a task it > should be fine. As the trace can record the current->pid along with the > timestamp to map to the unique user space stack trace. > > As for resolution, as long as there can't be two system calls back to back > within the same time stamp. Otherwise, yeah, we have an issue. I'll add a comment that states this as a constraint. -- Steve