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 #include <sys/list.h> 24 25 #if defined(_KERNEL) 26 #if defined(HAVE_DECLARE_EVENT_CLASS) 27 28 #undef TRACE_SYSTEM 29 #define TRACE_SYSTEM zfs 30 31 #undef TRACE_SYSTEM_VAR 32 #define TRACE_SYSTEM_VAR zfs_zio 33 34 #if !defined(_TRACE_ZIO_H) || defined(TRACE_HEADER_MULTI_READ) 35 #define _TRACE_ZIO_H 36 37 #include <linux/tracepoint.h> 38 #include <sys/types.h> 39 #include <sys/trace_common.h> /* For ZIO macros */ 40 41 /* BEGIN CSTYLED */ 42 TRACE_EVENT(zfs_zio__delay__miss, 43 TP_PROTO(zio_t *zio, hrtime_t now), 44 TP_ARGS(zio, now), 45 TP_STRUCT__entry( 46 ZIO_TP_STRUCT_ENTRY 47 __field(hrtime_t, now) 48 ), 49 TP_fast_assign( 50 ZIO_TP_FAST_ASSIGN 51 __entry->now = now; 52 ), 53 TP_printk("now %llu " ZIO_TP_PRINTK_FMT, __entry->now, 54 ZIO_TP_PRINTK_ARGS) 55 ); 56 57 TRACE_EVENT(zfs_zio__delay__hit, 58 TP_PROTO(zio_t *zio, hrtime_t now, hrtime_t diff), 59 TP_ARGS(zio, now, diff), 60 TP_STRUCT__entry( 61 ZIO_TP_STRUCT_ENTRY 62 __field(hrtime_t, now) 63 __field(hrtime_t, diff) 64 ), 65 TP_fast_assign( 66 ZIO_TP_FAST_ASSIGN 67 __entry->now = now; 68 __entry->diff = diff; 69 ), 70 TP_printk("now %llu diff %llu " ZIO_TP_PRINTK_FMT, __entry->now, 71 __entry->diff, ZIO_TP_PRINTK_ARGS) 72 ); 73 74 TRACE_EVENT(zfs_zio__delay__skip, 75 TP_PROTO(zio_t *zio), 76 TP_ARGS(zio), 77 TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY), 78 TP_fast_assign(ZIO_TP_FAST_ASSIGN), 79 TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS) 80 ); 81 /* END CSTYLED */ 82 83 #endif /* _TRACE_ZIO_H */ 84 85 #undef TRACE_INCLUDE_PATH 86 #undef TRACE_INCLUDE_FILE 87 #define TRACE_INCLUDE_PATH sys 88 #define TRACE_INCLUDE_FILE trace_zio 89 #include <trace/define_trace.h> 90 91 #else 92 93 DEFINE_DTRACE_PROBE2(zio__delay__miss); 94 DEFINE_DTRACE_PROBE3(zio__delay__hit); 95 DEFINE_DTRACE_PROBE1(zio__delay__skip); 96 97 #endif /* HAVE_DECLARE_EVENT_CLASS */ 98 #endif /* _KERNEL */ 99