Date: Sat, 27 Jun 2020 16:31:05 +0000 (UTC) From: Michael Gmelin <grembo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r362700 - head/share/man/man4 Message-ID: <202006271631.05RGV59V054483@repo.freebsd.org>
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Author: grembo (ports committer) Date: Sat Jun 27 16:31:04 2020 New Revision: 362700 URL: https://svnweb.freebsd.org/changeset/base/362700 Log: Document new kern.tty_info_kstacks tunable. Reviewed by: manpages (imp), 0mp Differential Revision: https://reviews.freebsd.org/D25488 Modified: head/share/man/man4/termios.4 Modified: head/share/man/man4/termios.4 ============================================================================== --- head/share/man/man4/termios.4 Sat Jun 27 15:50:35 2020 (r362699) +++ head/share/man/man4/termios.4 Sat Jun 27 16:31:04 2020 (r362700) @@ -28,7 +28,7 @@ .\" @(#)termios.4 8.4 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd December 26, 2009 +.Dd June 27, 2020 .Dt TERMIOS 4 .Os .Sh NAME @@ -761,6 +761,13 @@ command in the foreground, its process ID, the symboli wait channel, the number of user and system seconds used, the percentage of cpu the process is getting, and the resident set size of the process. +.Pp +In case the +.Xr sysctl 8 +variable +.Va kern.tty_info_kstacks +is set to a non-zero value, the running thread's stack is +written to the terminal (e.g., for debugging purposes). .El .Pp The @@ -1586,4 +1593,5 @@ the values in the header .Xr tcsendbreak 3 , .Xr tcsetattr 3 , .Xr tcsetsid 3 , -.Xr tty 4 +.Xr tty 4 , +.Xr stack 9
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