| sched_4bsd.c (288463) | sched_4bsd.c (260817) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 19 unchanged lines hidden (view full) --- 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 19 unchanged lines hidden (view full) --- 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35#include <sys/cdefs.h> |
| 36__FBSDID("$FreeBSD: stable/10/sys/kern/sched_4bsd.c 288463 2015-10-01 21:54:43Z jhb $"); | 36__FBSDID("$FreeBSD: stable/10/sys/kern/sched_4bsd.c 260817 2014-01-17 10:58:59Z avg $"); |
| 37 38#include "opt_hwpmc_hooks.h" 39#include "opt_sched.h" 40#include "opt_kdtrace.h" 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/cpuset.h> --- 743 unchanged lines hidden (view full) --- 788 sched_fork_thread(td, childtd); 789} 790 791void 792sched_fork_thread(struct thread *td, struct thread *childtd) 793{ 794 struct td_sched *ts; 795 | 37 38#include "opt_hwpmc_hooks.h" 39#include "opt_sched.h" 40#include "opt_kdtrace.h" 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/cpuset.h> --- 743 unchanged lines hidden (view full) --- 788 sched_fork_thread(td, childtd); 789} 790 791void 792sched_fork_thread(struct thread *td, struct thread *childtd) 793{ 794 struct td_sched *ts; 795 |
| 796 childtd->td_oncpu = NOCPU; 797 childtd->td_lastcpu = NOCPU; | |
| 798 childtd->td_estcpu = td->td_estcpu; 799 childtd->td_lock = &sched_lock; 800 childtd->td_cpuset = cpuset_ref(td->td_cpuset); 801 childtd->td_priority = childtd->td_base_pri; 802 ts = childtd->td_sched; 803 bzero(ts, sizeof(*ts)); 804 ts->ts_flags |= (td->td_sched->ts_flags & TSF_AFFINITY); 805 ts->ts_slice = 1; --- 174 unchanged lines hidden (view full) --- 980 mtx_lock_spin(&sched_lock); 981 tmtx = thread_lock_block(td); 982 } 983 984 if ((td->td_flags & TDF_NOLOAD) == 0) 985 sched_load_rem(); 986 987 td->td_lastcpu = td->td_oncpu; | 796 childtd->td_estcpu = td->td_estcpu; 797 childtd->td_lock = &sched_lock; 798 childtd->td_cpuset = cpuset_ref(td->td_cpuset); 799 childtd->td_priority = childtd->td_base_pri; 800 ts = childtd->td_sched; 801 bzero(ts, sizeof(*ts)); 802 ts->ts_flags |= (td->td_sched->ts_flags & TSF_AFFINITY); 803 ts->ts_slice = 1; --- 174 unchanged lines hidden (view full) --- 978 mtx_lock_spin(&sched_lock); 979 tmtx = thread_lock_block(td); 980 } 981 982 if ((td->td_flags & TDF_NOLOAD) == 0) 983 sched_load_rem(); 984 985 td->td_lastcpu = td->td_oncpu; |
| 988 preempted = !((td->td_flags & TDF_SLICEEND) || 989 (flags & SWT_RELINQUISH)); | 986 preempted = !(td->td_flags & TDF_SLICEEND); |
| 990 td->td_flags &= ~(TDF_NEEDRESCHED | TDF_SLICEEND); 991 td->td_owepreempt = 0; 992 td->td_oncpu = NOCPU; 993 994 /* 995 * At the last moment, if this thread is still marked RUNNING, 996 * then put it back on the run queue as it has not been suspended 997 * or stopped or any thing else similar. We never put the idle --- 33 unchanged lines hidden (view full) --- 1031 } 1032 1033 if (td != newtd) { 1034#ifdef HWPMC_HOOKS 1035 if (PMC_PROC_IS_USING_PMCS(td->td_proc)) 1036 PMC_SWITCH_CONTEXT(td, PMC_FN_CSW_OUT); 1037#endif 1038 | 987 td->td_flags &= ~(TDF_NEEDRESCHED | TDF_SLICEEND); 988 td->td_owepreempt = 0; 989 td->td_oncpu = NOCPU; 990 991 /* 992 * At the last moment, if this thread is still marked RUNNING, 993 * then put it back on the run queue as it has not been suspended 994 * or stopped or any thing else similar. We never put the idle --- 33 unchanged lines hidden (view full) --- 1028 } 1029 1030 if (td != newtd) { 1031#ifdef HWPMC_HOOKS 1032 if (PMC_PROC_IS_USING_PMCS(td->td_proc)) 1033 PMC_SWITCH_CONTEXT(td, PMC_FN_CSW_OUT); 1034#endif 1035 |
| 1039 SDT_PROBE2(sched, , , off__cpu, newtd, newtd->td_proc); | 1036 SDT_PROBE2(sched, , , off__cpu, td, td->td_proc); |
| 1040 1041 /* I feel sleepy */ 1042 lock_profile_release_lock(&sched_lock.lock_object); 1043#ifdef KDTRACE_HOOKS 1044 /* 1045 * If DTrace has set the active vtime enum to anything 1046 * other than INACTIVE (0), then it should have set the 1047 * function to call. --- 535 unchanged lines hidden (view full) --- 1583{ 1584 struct td_sched *ts; 1585 1586 THREAD_LOCK_ASSERT(td, MA_OWNED); 1587 ts = td->td_sched; 1588 return (ts->ts_pctcpu); 1589} 1590 | 1037 1038 /* I feel sleepy */ 1039 lock_profile_release_lock(&sched_lock.lock_object); 1040#ifdef KDTRACE_HOOKS 1041 /* 1042 * If DTrace has set the active vtime enum to anything 1043 * other than INACTIVE (0), then it should have set the 1044 * function to call. --- 535 unchanged lines hidden (view full) --- 1580{ 1581 struct td_sched *ts; 1582 1583 THREAD_LOCK_ASSERT(td, MA_OWNED); 1584 ts = td->td_sched; 1585 return (ts->ts_pctcpu); 1586} 1587 |
| 1591#ifdef RACCT | 1588#ifdef RACCT |
| 1592/* 1593 * Calculates the contribution to the thread cpu usage for the latest 1594 * (unfinished) second. 1595 */ 1596fixpt_t 1597sched_pctcpu_delta(struct thread *td) 1598{ 1599 struct td_sched *ts; --- 69 unchanged lines hidden (view full) --- 1669 if (td == NULL) { 1670 mtx_lock_spin(&sched_lock); 1671 spinlock_exit(); 1672 PCPU_SET(switchtime, cpu_ticks()); 1673 PCPU_SET(switchticks, ticks); 1674 } else { 1675 lock_profile_release_lock(&sched_lock.lock_object); 1676 MPASS(td->td_lock == &sched_lock); | 1589/* 1590 * Calculates the contribution to the thread cpu usage for the latest 1591 * (unfinished) second. 1592 */ 1593fixpt_t 1594sched_pctcpu_delta(struct thread *td) 1595{ 1596 struct td_sched *ts; --- 69 unchanged lines hidden (view full) --- 1666 if (td == NULL) { 1667 mtx_lock_spin(&sched_lock); 1668 spinlock_exit(); 1669 PCPU_SET(switchtime, cpu_ticks()); 1670 PCPU_SET(switchticks, ticks); 1671 } else { 1672 lock_profile_release_lock(&sched_lock.lock_object); 1673 MPASS(td->td_lock == &sched_lock); |
| 1677 td->td_lastcpu = td->td_oncpu; 1678 td->td_oncpu = NOCPU; | |
| 1679 } 1680 mtx_assert(&sched_lock, MA_OWNED); 1681 KASSERT(curthread->td_md.md_spinlock_count == 1, ("invalid count")); 1682 cpu_throw(td, choosethread()); /* doesn't return */ 1683} 1684 1685void 1686sched_fork_exit(struct thread *td) --- 103 unchanged lines hidden --- | 1674 } 1675 mtx_assert(&sched_lock, MA_OWNED); 1676 KASSERT(curthread->td_md.md_spinlock_count == 1, ("invalid count")); 1677 cpu_throw(td, choosethread()); /* doesn't return */ 1678} 1679 1680void 1681sched_fork_exit(struct thread *td) --- 103 unchanged lines hidden --- |