1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1997-2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_LOCKSTAT_H 28*0Sstevel@tonic-gate #define _SYS_LOCKSTAT_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/dtrace.h> 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #ifdef __cplusplus 35*0Sstevel@tonic-gate extern "C" { 36*0Sstevel@tonic-gate #endif 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #define LS_MUTEX_ENTER_ACQUIRE 0 39*0Sstevel@tonic-gate #define LS_MUTEX_ENTER_BLOCK 1 40*0Sstevel@tonic-gate #define LS_MUTEX_ENTER_SPIN 2 41*0Sstevel@tonic-gate #define LS_MUTEX_EXIT_RELEASE 3 42*0Sstevel@tonic-gate #define LS_MUTEX_DESTROY_RELEASE 4 43*0Sstevel@tonic-gate #define LS_MUTEX_TRYENTER_ACQUIRE 5 44*0Sstevel@tonic-gate #define LS_LOCK_SET_ACQUIRE 6 45*0Sstevel@tonic-gate #define LS_LOCK_SET_SPIN 7 46*0Sstevel@tonic-gate #define LS_LOCK_SET_SPL_ACQUIRE 8 47*0Sstevel@tonic-gate #define LS_LOCK_SET_SPL_SPIN 9 48*0Sstevel@tonic-gate #define LS_LOCK_TRY_ACQUIRE 10 49*0Sstevel@tonic-gate #define LS_LOCK_CLEAR_RELEASE 11 50*0Sstevel@tonic-gate #define LS_LOCK_CLEAR_SPLX_RELEASE 12 51*0Sstevel@tonic-gate #define LS_CLOCK_UNLOCK_RELEASE 13 52*0Sstevel@tonic-gate #define LS_RW_ENTER_ACQUIRE 14 53*0Sstevel@tonic-gate #define LS_RW_ENTER_BLOCK 15 54*0Sstevel@tonic-gate #define LS_RW_EXIT_RELEASE 16 55*0Sstevel@tonic-gate #define LS_RW_TRYENTER_ACQUIRE 17 56*0Sstevel@tonic-gate #define LS_RW_TRYUPGRADE_UPGRADE 18 57*0Sstevel@tonic-gate #define LS_RW_DOWNGRADE_DOWNGRADE 19 58*0Sstevel@tonic-gate #define LS_THREAD_LOCK_ACQUIRE 20 59*0Sstevel@tonic-gate #define LS_THREAD_LOCK_SPIN 21 60*0Sstevel@tonic-gate #define LS_THREAD_LOCK_HIGH_ACQUIRE 22 61*0Sstevel@tonic-gate #define LS_THREAD_LOCK_HIGH_SPIN 23 62*0Sstevel@tonic-gate #define LS_TURNSTILE_INTERLOCK_SPIN 24 63*0Sstevel@tonic-gate #define LS_NPROBES 25 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #define LS_MUTEX_ENTER "mutex_enter" 66*0Sstevel@tonic-gate #define LS_MUTEX_EXIT "mutex_exit" 67*0Sstevel@tonic-gate #define LS_MUTEX_DESTROY "mutex_destroy" 68*0Sstevel@tonic-gate #define LS_MUTEX_TRYENTER "mutex_tryenter" 69*0Sstevel@tonic-gate #define LS_LOCK_SET "lock_set" 70*0Sstevel@tonic-gate #define LS_LOCK_SET_SPL "lock_set_spl" 71*0Sstevel@tonic-gate #define LS_LOCK_TRY "lock_try" 72*0Sstevel@tonic-gate #define LS_LOCK_CLEAR "lock_clear" 73*0Sstevel@tonic-gate #define LS_LOCK_CLEAR_SPLX "lock_clear_splx" 74*0Sstevel@tonic-gate #define LS_CLOCK_UNLOCK "CLOCK_UNLOCK" 75*0Sstevel@tonic-gate #define LS_RW_ENTER "rw_enter" 76*0Sstevel@tonic-gate #define LS_RW_EXIT "rw_exit" 77*0Sstevel@tonic-gate #define LS_RW_TRYENTER "rw_tryenter" 78*0Sstevel@tonic-gate #define LS_RW_TRYUPGRADE "rw_tryupgrade" 79*0Sstevel@tonic-gate #define LS_RW_DOWNGRADE "rw_downgrade" 80*0Sstevel@tonic-gate #define LS_THREAD_LOCK "thread_lock" 81*0Sstevel@tonic-gate #define LS_THREAD_LOCK_HIGH "thread_lock_high" 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate #define LS_ACQUIRE "acquire" 84*0Sstevel@tonic-gate #define LS_RELEASE "release" 85*0Sstevel@tonic-gate #define LS_SPIN "spin" 86*0Sstevel@tonic-gate #define LS_BLOCK "block" 87*0Sstevel@tonic-gate #define LS_UPGRADE "upgrade" 88*0Sstevel@tonic-gate #define LS_DOWNGRADE "downgrade" 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate #define LS_TYPE_ADAPTIVE "adaptive" 91*0Sstevel@tonic-gate #define LS_TYPE_SPIN "spin" 92*0Sstevel@tonic-gate #define LS_TYPE_THREAD "thread" 93*0Sstevel@tonic-gate #define LS_TYPE_RW "rw" 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate #define LSA_ACQUIRE (LS_TYPE_ADAPTIVE "-" LS_ACQUIRE) 96*0Sstevel@tonic-gate #define LSA_RELEASE (LS_TYPE_ADAPTIVE "-" LS_RELEASE) 97*0Sstevel@tonic-gate #define LSA_SPIN (LS_TYPE_ADAPTIVE "-" LS_SPIN) 98*0Sstevel@tonic-gate #define LSA_BLOCK (LS_TYPE_ADAPTIVE "-" LS_BLOCK) 99*0Sstevel@tonic-gate #define LSS_ACQUIRE (LS_TYPE_SPIN "-" LS_ACQUIRE) 100*0Sstevel@tonic-gate #define LSS_RELEASE (LS_TYPE_SPIN "-" LS_RELEASE) 101*0Sstevel@tonic-gate #define LSS_SPIN (LS_TYPE_SPIN "-" LS_SPIN) 102*0Sstevel@tonic-gate #define LSR_ACQUIRE (LS_TYPE_RW "-" LS_ACQUIRE) 103*0Sstevel@tonic-gate #define LSR_RELEASE (LS_TYPE_RW "-" LS_RELEASE) 104*0Sstevel@tonic-gate #define LSR_BLOCK (LS_TYPE_RW "-" LS_BLOCK) 105*0Sstevel@tonic-gate #define LSR_UPGRADE (LS_TYPE_RW "-" LS_UPGRADE) 106*0Sstevel@tonic-gate #define LSR_DOWNGRADE (LS_TYPE_RW "-" LS_DOWNGRADE) 107*0Sstevel@tonic-gate #define LST_SPIN (LS_TYPE_THREAD "-" LS_SPIN) 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate #ifndef _ASM 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate #include <sys/types.h> 112*0Sstevel@tonic-gate #include <sys/inttypes.h> 113*0Sstevel@tonic-gate #include <sys/systm.h> 114*0Sstevel@tonic-gate #include <sys/atomic.h> 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate #ifdef _KERNEL 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate /* 119*0Sstevel@tonic-gate * Platform-independent kernel support for the lockstat driver. 120*0Sstevel@tonic-gate */ 121*0Sstevel@tonic-gate extern dtrace_id_t lockstat_probemap[LS_NPROBES]; 122*0Sstevel@tonic-gate extern void (*lockstat_probe)(dtrace_id_t, uintptr_t, uintptr_t, 123*0Sstevel@tonic-gate uintptr_t, uintptr_t, uintptr_t); 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate extern int lockstat_active_threads(void); 126*0Sstevel@tonic-gate extern int lockstat_depth(void); 127*0Sstevel@tonic-gate extern void lockstat_hot_patch(void); 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate /* 130*0Sstevel@tonic-gate * Macros to record lockstat probes. 131*0Sstevel@tonic-gate */ 132*0Sstevel@tonic-gate #define LOCKSTAT_RECORD4(probe, lp, arg0, arg1, arg2, arg3) \ 133*0Sstevel@tonic-gate if (lockstat_probemap[(probe)]) { \ 134*0Sstevel@tonic-gate dtrace_id_t id; \ 135*0Sstevel@tonic-gate curthread->t_lockstat++; \ 136*0Sstevel@tonic-gate membar_enter(); \ 137*0Sstevel@tonic-gate if ((id = lockstat_probemap[(probe)]) != 0) \ 138*0Sstevel@tonic-gate (*lockstat_probe)(id, (uintptr_t)(lp), (arg0), \ 139*0Sstevel@tonic-gate (arg1), (arg2), (arg3)); \ 140*0Sstevel@tonic-gate curthread->t_lockstat--; \ 141*0Sstevel@tonic-gate } 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate #define LOCKSTAT_RECORD(probe, lp, arg) \ 144*0Sstevel@tonic-gate LOCKSTAT_RECORD4(probe, lp, arg, 0, 0, 0) 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate #define LOCKSTAT_RECORD0(probe, lp) \ 147*0Sstevel@tonic-gate LOCKSTAT_RECORD4(probe, lp, 0, 0, 0, 0) 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate #endif /* _KERNEL */ 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate #endif /* _ASM */ 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate #ifdef __cplusplus 154*0Sstevel@tonic-gate } 155*0Sstevel@tonic-gate #endif 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate #endif /* _SYS_LOCKSTAT_H */ 158