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| author | Rafael Vanoni <rafael.vanoni@sun.com> | 2009-11-13 01:32:32 -0800 |
|---|---|---|
| committer | Rafael Vanoni <rafael.vanoni@sun.com> | 2009-11-13 01:32:32 -0800 |
| commit | d3d50737e566cade9a08d73d2af95105ac7cd960 (patch) | |
| tree | 399b76a3f6bf107e2ff506d8f9c3333654b29fc7 /usr/src/uts/common/disp/ts.c | |
| parent | 1eff5f7761619411b3c31280fcd96cefc32968b7 (diff) | |
| download | illumos-gate-d3d50737e566cade9a08d73d2af95105ac7cd960.tar.gz | |
PSARC/2009/396 Tickless Kernel Architecture / lbolt decoupling
6860030 tickless clock requires a clock() decoupled lbolt / lbolt64
Portions contributed by Chad Mynhier <cmynhier@gmail.com>
Diffstat (limited to 'usr/src/uts/common/disp/ts.c')
| -rw-r--r-- | usr/src/uts/common/disp/ts.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/usr/src/uts/common/disp/ts.c b/usr/src/uts/common/disp/ts.c index 53612cf2bc..e8d1565276 100644 --- a/usr/src/uts/common/disp/ts.c +++ b/usr/src/uts/common/disp/ts.c @@ -20,15 +20,13 @@ */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ -#pragma ident "%Z%%M% %I% %E% SMI" /* from SVr4.0 1.23 */ - #include <sys/types.h> #include <sys/param.h> #include <sys/sysmacros.h> @@ -1498,7 +1496,7 @@ ts_setrun(kthread_t *t) else setbackdq(t); } else { - if (t->t_disp_time != lbolt) + if (t->t_disp_time != ddi_get_lbolt()) setbackdq(t); else setfrontdq(t); @@ -1560,7 +1558,7 @@ ts_sleep(kthread_t *t) if (DISP_MUST_SURRENDER(curthread)) cpu_surrender(curthread); } - t->t_stime = lbolt; /* time stamp for the swapper */ + t->t_stime = ddi_get_lbolt(); /* time stamp for the swapper */ TRACE_2(TR_FAC_DISP, TR_SLEEP, "sleep:tid %p old pri %d", t, old_pri); } @@ -1591,7 +1589,7 @@ ts_swapin(kthread_t *t, int flags) if (t->t_state == TS_RUN && (t->t_schedflag & TS_LOAD) == 0) { time_t swapout_time; - swapout_time = (lbolt - t->t_stime) / hz; + swapout_time = (ddi_get_lbolt() - t->t_stime) / hz; if (INHERITED(t) || (tspp->ts_flags & (TSKPRI | TSIASET))) epri = (long)DISP_PRIO(t) + swapout_time; else { @@ -1659,7 +1657,7 @@ ts_swapout(kthread_t *t, int flags) * We know that pri_t is a short. * Be sure not to overrun its range. */ - swapin_time = (lbolt - t->t_stime) / hz; + swapin_time = (ddi_get_lbolt() - t->t_stime) / hz; if (flags == SOFTSWAP) { if (t->t_state == TS_SLEEP && swapin_time > maxslp) { epri = 0; @@ -1980,7 +1978,7 @@ ts_wakeup(kthread_t *t) ASSERT(THREAD_LOCK_HELD(t)); - t->t_stime = lbolt; /* time stamp for the swapper */ + t->t_stime = ddi_get_lbolt(); /* time stamp for the swapper */ if (tspp->ts_flags & TSKPRI) { tspp->ts_flags &= ~TSBACKQ; @@ -2017,7 +2015,7 @@ ts_wakeup(kthread_t *t) else setbackdq(t); } else { - if (t->t_disp_time != lbolt) + if (t->t_disp_time != ddi_get_lbolt()) setbackdq(t); else setfrontdq(t); |