1eda14cbcSMatt Macy /* 2eda14cbcSMatt Macy * CDDL HEADER START 3eda14cbcSMatt Macy * 4eda14cbcSMatt Macy * The contents of this file are subject to the terms of the 5eda14cbcSMatt Macy * Common Development and Distribution License (the "License"). 6eda14cbcSMatt Macy * You may not use this file except in compliance with the License. 7eda14cbcSMatt Macy * 8eda14cbcSMatt Macy * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*271171e0SMartin Matuska * or https://opensource.org/licenses/CDDL-1.0. 10eda14cbcSMatt Macy * See the License for the specific language governing permissions 11eda14cbcSMatt Macy * and limitations under the License. 12eda14cbcSMatt Macy * 13eda14cbcSMatt Macy * When distributing Covered Code, include this CDDL HEADER in each 14eda14cbcSMatt Macy * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15eda14cbcSMatt Macy * If applicable, add the following below this CDDL HEADER, with the 16eda14cbcSMatt Macy * fields enclosed by brackets "[]" replaced with your own identifying 17eda14cbcSMatt Macy * information: Portions Copyright [yyyy] [name of copyright owner] 18eda14cbcSMatt Macy * 19eda14cbcSMatt Macy * CDDL HEADER END 20eda14cbcSMatt Macy */ 21eda14cbcSMatt Macy 22eda14cbcSMatt Macy #if defined(_KERNEL) 23eda14cbcSMatt Macy #if defined(HAVE_DECLARE_EVENT_CLASS) 24eda14cbcSMatt Macy 25eda14cbcSMatt Macy #undef TRACE_SYSTEM 26eda14cbcSMatt Macy #define TRACE_SYSTEM zfs 27eda14cbcSMatt Macy 28eda14cbcSMatt Macy #undef TRACE_SYSTEM_VAR 29eda14cbcSMatt Macy #define TRACE_SYSTEM_VAR zfs_dbgmsg 30eda14cbcSMatt Macy 31eda14cbcSMatt Macy #if !defined(_TRACE_DBGMSG_H) || defined(TRACE_HEADER_MULTI_READ) 32eda14cbcSMatt Macy #define _TRACE_DBGMSG_H 33eda14cbcSMatt Macy 34eda14cbcSMatt Macy #include <linux/tracepoint.h> 35eda14cbcSMatt Macy 36eda14cbcSMatt Macy /* 37eda14cbcSMatt Macy * This file defines tracepoint events for use by the dbgmsg(), 38eda14cbcSMatt Macy * dprintf(), and SET_ERROR() interfaces. These are grouped here because 39eda14cbcSMatt Macy * they all provide a way to store simple messages in the debug log (as 40eda14cbcSMatt Macy * opposed to events used by the DTRACE_PROBE interfaces which typically 41eda14cbcSMatt Macy * dump structured data). 42eda14cbcSMatt Macy * 43eda14cbcSMatt Macy * This header is included inside the trace.h multiple inclusion guard, 44eda14cbcSMatt Macy * and it is guarded above against direct inclusion, so it and need not 45eda14cbcSMatt Macy * be guarded separately. 46eda14cbcSMatt Macy */ 47eda14cbcSMatt Macy 48eda14cbcSMatt Macy /* 49eda14cbcSMatt Macy * Generic support for one argument tracepoints of the form: 50eda14cbcSMatt Macy * 51eda14cbcSMatt Macy * DTRACE_PROBE1(..., 52eda14cbcSMatt Macy * const char *, ...); 53eda14cbcSMatt Macy */ 54eda14cbcSMatt Macy /* BEGIN CSTYLED */ 55eda14cbcSMatt Macy DECLARE_EVENT_CLASS(zfs_dprintf_class, 56eda14cbcSMatt Macy TP_PROTO(const char *msg), 57eda14cbcSMatt Macy TP_ARGS(msg), 58eda14cbcSMatt Macy TP_STRUCT__entry( 59eda14cbcSMatt Macy __string(msg, msg) 60eda14cbcSMatt Macy ), 61eda14cbcSMatt Macy TP_fast_assign( 62eda14cbcSMatt Macy __assign_str(msg, msg); 63eda14cbcSMatt Macy ), 64eda14cbcSMatt Macy TP_printk("%s", __get_str(msg)) 65eda14cbcSMatt Macy ); 66eda14cbcSMatt Macy /* END CSTYLED */ 67eda14cbcSMatt Macy 68eda14cbcSMatt Macy #define DEFINE_DPRINTF_EVENT(name) \ 69eda14cbcSMatt Macy DEFINE_EVENT(zfs_dprintf_class, name, \ 70eda14cbcSMatt Macy TP_PROTO(const char *msg), \ 71eda14cbcSMatt Macy TP_ARGS(msg)) 72eda14cbcSMatt Macy DEFINE_DPRINTF_EVENT(zfs_zfs__dprintf); 73eda14cbcSMatt Macy 74eda14cbcSMatt Macy #endif /* _TRACE_DBGMSG_H */ 75eda14cbcSMatt Macy 76eda14cbcSMatt Macy #undef TRACE_INCLUDE_PATH 77eda14cbcSMatt Macy #undef TRACE_INCLUDE_FILE 78eda14cbcSMatt Macy #define TRACE_INCLUDE_PATH sys 79eda14cbcSMatt Macy #define TRACE_INCLUDE_FILE trace_dbgmsg 80eda14cbcSMatt Macy #include <trace/define_trace.h> 81eda14cbcSMatt Macy 82eda14cbcSMatt Macy #else 83eda14cbcSMatt Macy 84eda14cbcSMatt Macy DEFINE_DTRACE_PROBE1(zfs__dprintf); 85eda14cbcSMatt Macy 86eda14cbcSMatt Macy #endif /* HAVE_DECLARE_EVENT_CLASS */ 87eda14cbcSMatt Macy #endif /* _KERNEL */ 88