Messages in this thread | | | Date | Mon, 17 Apr 2023 13:02:21 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH RFC 0/5] perf: Add ioctl to emit sideband events |
| |
On Fri, Apr 14, 2023 at 11:22:55AM +0300, Adrian Hunter wrote: > Hi > > Here is a stab at adding an ioctl for sideband events. > > This is to overcome races when reading the same information > from /proc.
What races? Are you talking about reading old state in /proc the kernel delivering a sideband event for the new state, and then you writing the old state out?
Surely that's something perf tool can fix without kernel changes?
| |