From 0bf7cdd502e97cceff9d6eb28347356b13407844 Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Thu, 31 May 2018 02:58:08 +0000 Subject: [PATCH] Note the need for a new kernel / userland for devinfo to work Differential Revision: https://reviews.freebsd.org/D15628 --- UPDATING | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/UPDATING b/UPDATING index 7ced2259b21..12476f4f7fd 100644 --- a/UPDATING +++ b/UPDATING @@ -32,6 +32,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW: "ln -s 'abort:false,junk:false' /etc/malloc.conf".) +20180530: + The kernel / userland interface for devinfo changed, so you'll + need a new kernel and userland as a pair for it to work (rebuilding + lib/libdevinfo is all that's required). devinfo and devmatch will + not work, but everything else will when there's a mismatch. + 20180523: The on-disk format for hwpmc callchain records has changed to include threadid corresponding to a given record. This changes the field offsets