Module Name: src
Committed By: ad
Date: Sat Nov 30 17:45:54 UTC 2019
Modified Files:
src/sys/sys: lwp.h
Log Message:
Mark the context switch counters volatile (because preemption).
To generate a diff of this commit:
cvs rdiff -u -r1.190 -r1.191 src/sys/sys/lwp.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/lwp.h
diff -u src/sys/sys/lwp.h:1.190 src/sys/sys/lwp.h:1.191
--- src/sys/sys/lwp.h:1.190 Sat Nov 23 19:42:52 2019
+++ src/sys/sys/lwp.h Sat Nov 30 17:45:54 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: lwp.h,v 1.190 2019/11/23 19:42:52 ad Exp $ */
+/* $NetBSD: lwp.h,v 1.191 2019/11/30 17:45:54 ad Exp $ */
/*
* Copyright (c) 2001, 2006, 2007, 2008, 2009, 2010, 2019
@@ -112,8 +112,8 @@ struct lwp {
pri_t l_auxprio; /* l: max(inherit,protect) priority */
int l_protectdepth; /* l: for PTHREAD_PRIO_PROTECT */
SLIST_HEAD(, turnstile) l_pi_lenders; /* l: ts lending us priority */
- uint64_t l_ncsw; /* l: total context switches */
- uint64_t l_nivcsw; /* l: involuntary context switches */
+ volatile uint64_t l_ncsw; /* l: total context switches */
+ volatile uint64_t l_nivcsw; /* l: involuntary context switches */
u_int l_cpticks; /* (: Ticks of CPU time */
fixpt_t l_pctcpu; /* p: %cpu during l_swtime */
fixpt_t l_estcpu; /* l: cpu time for SCHED_4BSD */
