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_taskq 30 31 #if !defined(_TRACE_TASKQ_H) || defined(TRACE_HEADER_MULTI_READ) 32 #define _TRACE_TASKQ_H 33 34 #include <linux/tracepoint.h> 35 #include <sys/types.h> 36 37 /* 38 * Generic support for single argument tracepoints of the form: 39 * 40 * DTRACE_PROBE1(..., 41 * taskq_ent_t *, ...); 42 */ 43 /* BEGIN CSTYLED */ 44 DECLARE_EVENT_CLASS(zfs_taskq_ent_class, 45 TP_PROTO(taskq_ent_t *taskq_ent), 46 TP_ARGS(taskq_ent), 47 TP_STRUCT__entry( 48 __field(taskq_ent_t *, taskq_ent) 49 ), 50 TP_fast_assign( 51 __entry->taskq_ent = taskq_ent; 52 ), 53 TP_printk("taskq_ent %p", __entry->taskq_ent) 54 ); 55 /* END CSTYLED */ 56 57 /* BEGIN CSTYLED */ 58 #define DEFINE_TASKQ_EVENT(name) \ 59 DEFINE_EVENT(zfs_taskq_ent_class, name, \ 60 TP_PROTO(taskq_ent_t *taskq_ent), \ 61 TP_ARGS(taskq_ent)) 62 /* END CSTYLED */ 63 DEFINE_TASKQ_EVENT(zfs_taskq_ent__birth); 64 DEFINE_TASKQ_EVENT(zfs_taskq_ent__start); 65 DEFINE_TASKQ_EVENT(zfs_taskq_ent__finish); 66 67 #endif /* _TRACE_TASKQ_H */ 68 69 #undef TRACE_INCLUDE_PATH 70 #undef TRACE_INCLUDE_FILE 71 #define TRACE_INCLUDE_PATH sys 72 #define TRACE_INCLUDE_FILE trace_taskq 73 #include <trace/define_trace.h> 74 75 #else 76 77 /* 78 * When tracepoints are not available, a DEFINE_DTRACE_PROBE* macro is 79 * needed for each DTRACE_PROBE. These will be used to generate stub 80 * tracing functions and prototypes for those functions. See 81 * include/os/linux/spl/sys/trace.h. 82 */ 83 84 DEFINE_DTRACE_PROBE1(taskq_ent__birth); 85 DEFINE_DTRACE_PROBE1(taskq_ent__start); 86 DEFINE_DTRACE_PROBE1(taskq_ent__finish); 87 88 #endif /* HAVE_DECLARE_EVENT_CLASS */ 89 #endif /* _KERNEL */ 90