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 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 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 22 #if defined(_KERNEL) 23 #if defined(HAVE_DECLARE_EVENT_CLASS) 24 25 #undef TRACE_SYSTEM 26 #define TRACE_SYSTEM zfs 27 28 #undef TRACE_SYSTEM_VAR 29 #define TRACE_SYSTEM_VAR zfs_multilist 30 31 #if !defined(_TRACE_MULTILIST_H) || defined(TRACE_HEADER_MULTI_READ) 32 #define _TRACE_MULTILIST_H 33 34 #include <linux/tracepoint.h> 35 #include <sys/types.h> 36 37 /* 38 * Generic support for three argument tracepoints of the form: 39 * 40 * DTRACE_PROBE3(..., 41 * multilist_t *, ..., 42 * unsigned int, ..., 43 * void *, ...); 44 */ 45 /* BEGIN CSTYLED */ 46 DECLARE_EVENT_CLASS(zfs_multilist_insert_remove_class, 47 TP_PROTO(multilist_t *ml, unsigned sublist_idx, void *obj), 48 TP_ARGS(ml, sublist_idx, obj), 49 TP_STRUCT__entry( 50 __field(size_t, ml_offset) 51 __field(uint64_t, ml_num_sublists) 52 53 __field(unsigned int, sublist_idx) 54 ), 55 TP_fast_assign( 56 __entry->ml_offset = ml->ml_offset; 57 __entry->ml_num_sublists = ml->ml_num_sublists; 58 59 __entry->sublist_idx = sublist_idx; 60 ), 61 TP_printk("ml { offset %ld numsublists %llu sublistidx %u } ", 62 __entry->ml_offset, __entry->ml_num_sublists, __entry->sublist_idx) 63 ); 64 /* END CSTYLED */ 65 66 /* BEGIN CSTYLED */ 67 #define DEFINE_MULTILIST_INSERT_REMOVE_EVENT(name) \ 68 DEFINE_EVENT(zfs_multilist_insert_remove_class, name, \ 69 TP_PROTO(multilist_t *ml, unsigned int sublist_idx, void *obj), \ 70 TP_ARGS(ml, sublist_idx, obj)) 71 /* END CSTYLED */ 72 DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__insert); 73 DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__remove); 74 75 #endif /* _TRACE_MULTILIST_H */ 76 77 #undef TRACE_INCLUDE_PATH 78 #undef TRACE_INCLUDE_FILE 79 #define TRACE_INCLUDE_PATH sys 80 #define TRACE_INCLUDE_FILE trace_multilist 81 #include <trace/define_trace.h> 82 83 #else 84 85 DEFINE_DTRACE_PROBE3(multilist__insert); 86 DEFINE_DTRACE_PROBE3(multilist__remove); 87 88 #endif /* HAVE_DECLARE_EVENT_CLASS */ 89 #endif /* _KERNEL */ 90