| fasttrap.c (270834) | fasttrap.c (275562) |
|---|---|
| 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 6 unchanged lines hidden (view full) --- 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 * 21 * Portions Copyright 2010 The FreeBSD Foundation 22 * | 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 6 unchanged lines hidden (view full) --- 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 * 21 * Portions Copyright 2010 The FreeBSD Foundation 22 * |
| 23 * $FreeBSD: head/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c 270834 2014-08-30 03:10:55Z mjg $ | 23 * $FreeBSD: head/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c 275562 2014-12-06 09:38:28Z delphij $ |
| 24 */ 25 26/* 27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31/* --- 2446 unchanged lines hidden (view full) --- 2478 "fasttrap-hash-size", FASTTRAP_TPOINTS_DEFAULT_SIZE); 2479#else 2480 nent = FASTTRAP_TPOINTS_DEFAULT_SIZE; 2481#endif 2482 2483 if (nent == 0 || nent > 0x1000000) 2484 nent = FASTTRAP_TPOINTS_DEFAULT_SIZE; 2485 | 24 */ 25 26/* 27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31/* --- 2446 unchanged lines hidden (view full) --- 2478 "fasttrap-hash-size", FASTTRAP_TPOINTS_DEFAULT_SIZE); 2479#else 2480 nent = FASTTRAP_TPOINTS_DEFAULT_SIZE; 2481#endif 2482 2483 if (nent == 0 || nent > 0x1000000) 2484 nent = FASTTRAP_TPOINTS_DEFAULT_SIZE; 2485 |
| 2486 if ((nent & (nent - 1)) == 0) | 2486 if (ISP2(nent)) |
| 2487 fasttrap_tpoints.fth_nent = nent; 2488 else 2489 fasttrap_tpoints.fth_nent = 1 << fasttrap_highbit(nent); 2490 ASSERT(fasttrap_tpoints.fth_nent > 0); 2491 fasttrap_tpoints.fth_mask = fasttrap_tpoints.fth_nent - 1; 2492 fasttrap_tpoints.fth_table = kmem_zalloc(fasttrap_tpoints.fth_nent * 2493 sizeof (fasttrap_bucket_t), KM_SLEEP); 2494#if !defined(sun) 2495 for (i = 0; i < fasttrap_tpoints.fth_nent; i++) 2496 mutex_init(&fasttrap_tpoints.fth_table[i].ftb_mtx, 2497 "tracepoints bucket mtx", MUTEX_DEFAULT, NULL); 2498#endif 2499 2500 /* 2501 * ... and the providers hash table... 2502 */ 2503 nent = FASTTRAP_PROVIDERS_DEFAULT_SIZE; | 2487 fasttrap_tpoints.fth_nent = nent; 2488 else 2489 fasttrap_tpoints.fth_nent = 1 << fasttrap_highbit(nent); 2490 ASSERT(fasttrap_tpoints.fth_nent > 0); 2491 fasttrap_tpoints.fth_mask = fasttrap_tpoints.fth_nent - 1; 2492 fasttrap_tpoints.fth_table = kmem_zalloc(fasttrap_tpoints.fth_nent * 2493 sizeof (fasttrap_bucket_t), KM_SLEEP); 2494#if !defined(sun) 2495 for (i = 0; i < fasttrap_tpoints.fth_nent; i++) 2496 mutex_init(&fasttrap_tpoints.fth_table[i].ftb_mtx, 2497 "tracepoints bucket mtx", MUTEX_DEFAULT, NULL); 2498#endif 2499 2500 /* 2501 * ... and the providers hash table... 2502 */ 2503 nent = FASTTRAP_PROVIDERS_DEFAULT_SIZE; |
| 2504 if ((nent & (nent - 1)) == 0) | 2504 if (ISP2(nent)) |
| 2505 fasttrap_provs.fth_nent = nent; 2506 else 2507 fasttrap_provs.fth_nent = 1 << fasttrap_highbit(nent); 2508 ASSERT(fasttrap_provs.fth_nent > 0); 2509 fasttrap_provs.fth_mask = fasttrap_provs.fth_nent - 1; 2510 fasttrap_provs.fth_table = kmem_zalloc(fasttrap_provs.fth_nent * 2511 sizeof (fasttrap_bucket_t), KM_SLEEP); 2512#if !defined(sun) --- 19 unchanged lines hidden (view full) --- 2532 return (ret); 2533 } 2534 2535 2536 /* 2537 * ... and the procs hash table. 2538 */ 2539 nent = FASTTRAP_PROCS_DEFAULT_SIZE; | 2505 fasttrap_provs.fth_nent = nent; 2506 else 2507 fasttrap_provs.fth_nent = 1 << fasttrap_highbit(nent); 2508 ASSERT(fasttrap_provs.fth_nent > 0); 2509 fasttrap_provs.fth_mask = fasttrap_provs.fth_nent - 1; 2510 fasttrap_provs.fth_table = kmem_zalloc(fasttrap_provs.fth_nent * 2511 sizeof (fasttrap_bucket_t), KM_SLEEP); 2512#if !defined(sun) --- 19 unchanged lines hidden (view full) --- 2532 return (ret); 2533 } 2534 2535 2536 /* 2537 * ... and the procs hash table. 2538 */ 2539 nent = FASTTRAP_PROCS_DEFAULT_SIZE; |
| 2540 if ((nent & (nent - 1)) == 0) | 2540 if (ISP2(nent)) |
| 2541 fasttrap_procs.fth_nent = nent; 2542 else 2543 fasttrap_procs.fth_nent = 1 << fasttrap_highbit(nent); 2544 ASSERT(fasttrap_procs.fth_nent > 0); 2545 fasttrap_procs.fth_mask = fasttrap_procs.fth_nent - 1; 2546 fasttrap_procs.fth_table = kmem_zalloc(fasttrap_procs.fth_nent * 2547 sizeof (fasttrap_bucket_t), KM_SLEEP); 2548#if !defined(sun) --- 180 unchanged lines hidden --- | 2541 fasttrap_procs.fth_nent = nent; 2542 else 2543 fasttrap_procs.fth_nent = 1 << fasttrap_highbit(nent); 2544 ASSERT(fasttrap_procs.fth_nent > 0); 2545 fasttrap_procs.fth_mask = fasttrap_procs.fth_nent - 1; 2546 fasttrap_procs.fth_table = kmem_zalloc(fasttrap_procs.fth_nent * 2547 sizeof (fasttrap_bucket_t), KM_SLEEP); 2548#if !defined(sun) --- 180 unchanged lines hidden --- |