On Fri, Feb 24, 2023 at 2:39 AM Jiri Olsa <olsajiri@xxxxxxxxx> wrote: > > We have a usecase to monitor potentially many uprobes and current way of > attaching many uprobes through perf takes long time. It's because there's > extra perf event install/schedule for each uprobe you want to attach. > > It'd be great to have a another way to attach multiple uprobes probably by > adding new uprobe_multi link, that would create system wide uprobes directly > and attach bpf program to it. > > Although that would not solve all the performance issues with uprobes, it > seems like a good start to solve attach/detach times. > > I'd be interested in other people's experiences with uprobes and ideas on > speeding it up. The uprobe_multi link prototype should be done by that time, > hopefully ;-) Great! Looking forward to it! Certainly a very useful thing, also for USDTs which could be inlined in lots of places, so one USDT attachment is actually a multi-uprobe attachment, in general. > > thanks, > jirka
