Author: cem
Date: Sat Jun 13 03:04:40 2020
New Revision: 362141
URL: https://svnweb.freebsd.org/changeset/base/362141
Log:
Flip kern.tty_info_kstacks on by default
It's a useful debug aid for anyone using Ctrl-T today, and doesn't seem to be
widely known. So, enable it out of the box to help people find it.
It's a tunable and sysctl, so if you don't like it, it's easy to disable
locally.
If people really hate it, we can always flip it back.
Reported by: Daniel O'Connor
Modified:
head/sys/kern/tty_info.c
Modified: head/sys/kern/tty_info.c
==============================================================================
--- head/sys/kern/tty_info.c Sat Jun 13 02:24:35 2020 (r362140)
+++ head/sys/kern/tty_info.c Sat Jun 13 03:04:40 2020 (r362141)
@@ -239,7 +239,7 @@ sbuf_tty_drain(void *a, const char *d, int len)
}
#ifdef STACK
-static bool tty_info_kstacks = false;
+static bool tty_info_kstacks = true;
SYSCTL_BOOL(_kern, OID_AUTO, tty_info_kstacks, CTLFLAG_RWTUN,
&tty_info_kstacks, 0,
"Enable printing kernel stack(9) traces on ^T (tty info)");
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