| subr_turnstile.c (170640) | subr_turnstile.c (173600) |
|---|---|
| 1/*- 2 * Copyright (c) 1998 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 43 unchanged lines hidden (view full) --- 52 * already has a turnstile, then it gives its turnstile to the lock's 53 * turnstile's free list. When a thread is woken up, it takes a turnstile from 54 * the free list if there are any other waiters. If it is the only thread 55 * blocked on the lock, then it reclaims the turnstile associated with the lock 56 * and removes it from the hash table. 57 */ 58 59#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1998 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 43 unchanged lines hidden (view full) --- 52 * already has a turnstile, then it gives its turnstile to the lock's 53 * turnstile's free list. When a thread is woken up, it takes a turnstile from 54 * the free list if there are any other waiters. If it is the only thread 55 * blocked on the lock, then it reclaims the turnstile associated with the lock 56 * and removes it from the hash table. 57 */ 58 59#include <sys/cdefs.h> |
| 60__FBSDID("$FreeBSD: head/sys/kern/subr_turnstile.c 170640 2007-06-12 23:27:31Z jeff $"); | 60__FBSDID("$FreeBSD: head/sys/kern/subr_turnstile.c 173600 2007-11-14 06:21:24Z julian $"); |
| 61 62#include "opt_ddb.h" 63#include "opt_turnstile_profiling.h" 64#include "opt_sched.h" 65 66#include <sys/param.h> 67#include <sys/systm.h> 68#include <sys/kernel.h> --- 185 unchanged lines hidden (view full) --- 254 KASSERT(td != curthread, ("Deadlock detected")); 255#endif 256 257 /* 258 * If we aren't blocked on a lock, we should be. 259 */ 260 KASSERT(TD_ON_LOCK(td), ( 261 "thread %d(%s):%d holds %s but isn't blocked on a lock\n", | 61 62#include "opt_ddb.h" 63#include "opt_turnstile_profiling.h" 64#include "opt_sched.h" 65 66#include <sys/param.h> 67#include <sys/systm.h> 68#include <sys/kernel.h> --- 185 unchanged lines hidden (view full) --- 254 KASSERT(td != curthread, ("Deadlock detected")); 255#endif 256 257 /* 258 * If we aren't blocked on a lock, we should be. 259 */ 260 KASSERT(TD_ON_LOCK(td), ( 261 "thread %d(%s):%d holds %s but isn't blocked on a lock\n", |
| 262 td->td_tid, td->td_proc->p_comm, td->td_state, | 262 td->td_tid, td->td_name, td->td_state, |
| 263 ts->ts_lockobj->lo_name)); 264 265 /* 266 * Pick up the lock that td is blocked on. 267 */ 268 ts = td->td_blocked; 269 MPASS(ts != NULL); 270 MPASS(td->td_lock == &ts->ts_lock); --- 748 unchanged lines hidden (view full) --- 1019 1020#ifdef DDB 1021static void 1022print_thread(struct thread *td, const char *prefix) 1023{ 1024 1025 db_printf("%s%p (tid %d, pid %d, \"%s\")\n", prefix, td, td->td_tid, 1026 td->td_proc->p_pid, td->td_name[0] != '\0' ? td->td_name : | 263 ts->ts_lockobj->lo_name)); 264 265 /* 266 * Pick up the lock that td is blocked on. 267 */ 268 ts = td->td_blocked; 269 MPASS(ts != NULL); 270 MPASS(td->td_lock == &ts->ts_lock); --- 748 unchanged lines hidden (view full) --- 1019 1020#ifdef DDB 1021static void 1022print_thread(struct thread *td, const char *prefix) 1023{ 1024 1025 db_printf("%s%p (tid %d, pid %d, \"%s\")\n", prefix, td, td->td_tid, 1026 td->td_proc->p_pid, td->td_name[0] != '\0' ? td->td_name : |
| 1027 td->td_proc->p_comm); | 1027 td->td_name); |
| 1028} 1029 1030static void 1031print_queue(struct threadqueue *queue, const char *header, const char *prefix) 1032{ 1033 struct thread *td; 1034 1035 db_printf("%s:\n", header); --- 66 unchanged lines hidden (view full) --- 1102 1103 /* 1104 * Follow the chain. We keep walking as long as the thread is 1105 * blocked on a turnstile that has an owner. 1106 */ 1107 while (!db_pager_quit) { 1108 db_printf("%sthread %d (pid %d, %s) ", prefix, td->td_tid, 1109 td->td_proc->p_pid, td->td_name[0] != '\0' ? td->td_name : | 1028} 1029 1030static void 1031print_queue(struct threadqueue *queue, const char *header, const char *prefix) 1032{ 1033 struct thread *td; 1034 1035 db_printf("%s:\n", header); --- 66 unchanged lines hidden (view full) --- 1102 1103 /* 1104 * Follow the chain. We keep walking as long as the thread is 1105 * blocked on a turnstile that has an owner. 1106 */ 1107 while (!db_pager_quit) { 1108 db_printf("%sthread %d (pid %d, %s) ", prefix, td->td_tid, 1109 td->td_proc->p_pid, td->td_name[0] != '\0' ? td->td_name : |
| 1110 td->td_proc->p_comm); | 1110 td->td_name); |
| 1111 switch (td->td_state) { 1112 case TDS_INACTIVE: 1113 db_printf("is inactive\n"); 1114 return; 1115 case TDS_CAN_RUN: 1116 db_printf("can run\n"); 1117 return; 1118 case TDS_RUNQ: --- 66 unchanged lines hidden (view full) --- 1185 1186 /* 1187 * Follow the chain. We keep walking as long as the thread is 1188 * blocked on a sleep lock that has an owner. 1189 */ 1190 while (!db_pager_quit) { 1191 db_printf("%sthread %d (pid %d, %s) ", prefix, td->td_tid, 1192 td->td_proc->p_pid, td->td_name[0] != '\0' ? td->td_name : | 1111 switch (td->td_state) { 1112 case TDS_INACTIVE: 1113 db_printf("is inactive\n"); 1114 return; 1115 case TDS_CAN_RUN: 1116 db_printf("can run\n"); 1117 return; 1118 case TDS_RUNQ: --- 66 unchanged lines hidden (view full) --- 1185 1186 /* 1187 * Follow the chain. We keep walking as long as the thread is 1188 * blocked on a sleep lock that has an owner. 1189 */ 1190 while (!db_pager_quit) { 1191 db_printf("%sthread %d (pid %d, %s) ", prefix, td->td_tid, 1192 td->td_proc->p_pid, td->td_name[0] != '\0' ? td->td_name : |
| 1193 td->td_proc->p_comm); | 1193 td->td_name); |
| 1194 switch (td->td_state) { 1195 case TDS_INACTIVE: 1196 db_printf("is inactive\n"); 1197 return; 1198 case TDS_CAN_RUN: 1199 db_printf("can run\n"); 1200 return; 1201 case TDS_RUNQ: --- 102 unchanged lines hidden --- | 1194 switch (td->td_state) { 1195 case TDS_INACTIVE: 1196 db_printf("is inactive\n"); 1197 return; 1198 case TDS_CAN_RUN: 1199 db_printf("can run\n"); 1200 return; 1201 case TDS_RUNQ: --- 102 unchanged lines hidden --- |