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