On Tue, Jun 4, 2024 at 6:39 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > > On Mon, 3 Jun 2024 18:37:42 -0400 > Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > > > Note, I've been wanting to get rid of the hard coded TASK_COMM_LEN from the > > events for a while. As I mentioned before, the only reason the memcpy exists > > is because it was added before the __string() logic was. Then it became > > somewhat of a habit to do that for everything that referenced task->comm. :-/ > > My point is that if we are going to be changing the way we record > task->comm in the events, might as well do the change I've been wanting to > do for years. I'd hold off on the sched_switch event, as that's the one > event (and perhaps sched_waking events) that user space may be have > hardcoded how to read it. > > I would be interested in changing it, just to see what breaks, so I would > know where to go fix things. But keep it a separate patch so that it could > be easily reverted. > I will drop the tracing part that includes this patch and the patch #6 in the next version, and leave it to you. -- Regards Yafang