[src/trunk]: src/usr.bin/vmstat boottime in the kernel is no more. Instead, ...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c48400f519ca
branches:  trunk
changeset: 968147:c48400f519ca
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Fri Jan 03 19:13:54 2020 +0000

description:
boottime in the kernel is no more.  Instead, read timebasebin and convert
from bintime to timespec.

diffstat:

 usr.bin/vmstat/vmstat.c |  18 +++++++++++-------
 1 files changed, 11 insertions(+), 7 deletions(-)

diffs (46 lines):

diff -r 43b342e262cb -r c48400f519ca usr.bin/vmstat/vmstat.c
--- a/usr.bin/vmstat/vmstat.c   Fri Jan 03 18:00:20 2020 +0000
+++ b/usr.bin/vmstat/vmstat.c   Fri Jan 03 19:13:54 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vmstat.c,v 1.230 2019/12/27 09:45:27 msaitoh Exp $ */
+/* $NetBSD: vmstat.c,v 1.231 2020/01/03 19:13:54 thorpej Exp $ */
 
 /*-
  * Copyright (c) 1998, 2000, 2001, 2007, 2019 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@
 #if 0
 static char sccsid[] = "@(#)vmstat.c   8.2 (Berkeley) 3/1/95";
 #else
-__RCSID("$NetBSD: vmstat.c,v 1.230 2019/12/27 09:45:27 msaitoh Exp $");
+__RCSID("$NetBSD: vmstat.c,v 1.231 2020/01/03 19:13:54 thorpej Exp $");
 #endif
 #endif /* not lint */
 
@@ -150,8 +150,8 @@
  */
 struct nlist namelist[] =
 {
-#define        X_BOOTTIME      0
-       { .n_name = "_boottime" },
+#define        X_TIMEBASEBIN   0
+       { .n_name = "_timebasebin" },
 #define        X_HZ            1
        { .n_name = "_hz" },
 #define        X_STATHZ        2
@@ -642,9 +642,13 @@
                }
                clock_gettime(CLOCK_REALTIME, &now);
        } else {
-               if (boottime.tv_sec == 0)
-                       kread(namelist, X_BOOTTIME, &boottime,
-                           sizeof(boottime));
+               if (boottime.tv_sec == 0) {
+                       struct bintime bt;
+
+                       kread(namelist, X_TIMEBASEBIN, &bt,
+                           sizeof(bt));
+                       bintime2timespec(&bt, &boottime);
+               }
                if (kreadc(namelist, X_TIME_SECOND, &nowsec, sizeof(nowsec))) {
                        /*
                         * XXX this assignment dance can be removed once