1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or https://opensource.org/licenses/CDDL-1.0. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 #if defined(_KERNEL) 24 #if defined(HAVE_DECLARE_EVENT_CLASS) 25 26 #undef TRACE_SYSTEM 27 #define TRACE_SYSTEM zfs 28 29 #undef TRACE_SYSTEM_VAR 30 #define TRACE_SYSTEM_VAR zfs_multilist 31 32 #if !defined(_TRACE_MULTILIST_H) || defined(TRACE_HEADER_MULTI_READ) 33 #define _TRACE_MULTILIST_H 34 35 #include <linux/tracepoint.h> 36 #include <sys/types.h> 37 38 /* 39 * Generic support for three argument tracepoints of the form: 40 * 41 * DTRACE_PROBE3(..., 42 * multilist_t *, ..., 43 * unsigned int, ..., 44 * void *, ...); 45 */ 46 /* BEGIN CSTYLED */ 47 DECLARE_EVENT_CLASS(zfs_multilist_insert_remove_class, 48 TP_PROTO(multilist_t *ml, unsigned sublist_idx, void *obj), 49 TP_ARGS(ml, sublist_idx, obj), 50 TP_STRUCT__entry( 51 __field(size_t, ml_offset) 52 __field(uint64_t, ml_num_sublists) 53 54 __field(unsigned int, sublist_idx) 55 ), 56 TP_fast_assign( 57 __entry->ml_offset = ml->ml_offset; 58 __entry->ml_num_sublists = ml->ml_num_sublists; 59 60 __entry->sublist_idx = sublist_idx; 61 ), 62 TP_printk("ml { offset %ld numsublists %llu sublistidx %u } ", 63 __entry->ml_offset, __entry->ml_num_sublists, __entry->sublist_idx) 64 ); 65 /* END CSTYLED */ 66 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 DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__insert); 72 DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__remove); 73 74 #endif /* _TRACE_MULTILIST_H */ 75 76 #undef TRACE_INCLUDE_PATH 77 #undef TRACE_INCLUDE_FILE 78 #define TRACE_INCLUDE_PATH sys 79 #define TRACE_INCLUDE_FILE trace_multilist 80 #include <trace/define_trace.h> 81 82 #else 83 84 DEFINE_DTRACE_PROBE3(multilist__insert); 85 DEFINE_DTRACE_PROBE3(multilist__remove); 86 87 #endif /* HAVE_DECLARE_EVENT_CLASS */ 88 #endif /* _KERNEL */ 89