projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 7bdf406d TG |
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) && defined(HAVE_DECLARE_EVENT_CLASS) | |
| 23 | ||
| 24 | #undef TRACE_SYSTEM | |
| 25 | #define TRACE_SYSTEM zfs | |
| 26 | ||
| 27 | #undef TRACE_SYSTEM_VAR | |
| 28 | #define TRACE_SYSTEM_VAR zfs_zrlock | |
| 29 | ||
| 30 | #if !defined(_TRACE_ZRLOCK_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 31 | #define _TRACE_ZRLOCK_H | |
| 32 | ||
| 33 | #include <linux/tracepoint.h> | |
| 34 | #include <sys/types.h> | |
| 35 | ||
| 36 | /* | |
| 37 | * Generic support for two argument tracepoints of the form: | |
| 38 | * | |
| 39 | * DTRACE_PROBE2(..., | |
| 40 | * zrlock_t *, ..., | |
| 41 | * uint32_t, ...); | |
| 42 | */ | |
| 43 | ||
| 44 | DECLARE_EVENT_CLASS(zfs_zrlock_class, | |
| 45 | TP_PROTO(zrlock_t *zrl, uint32_t n), | |
| 46 | TP_ARGS(zrl, n), | |
| 47 | TP_STRUCT__entry( | |
| 48 | __field(int32_t, refcount) | |
| 49 | #ifdef ZFS_DEBUG | |
| 50 | __field(pid_t, owner_pid) | |
| 0bd31011 | 51 | __field(const char *, caller) |
| 7bdf406d TG |
52 | #endif |
| 53 | __field(uint32_t, n) | |
| 54 | ), | |
| 55 | TP_fast_assign( | |
| 56 | __entry->refcount = zrl->zr_refcount; | |
| 57 | #ifdef ZFS_DEBUG | |
| 58 | __entry->owner_pid = zrl->zr_owner ? zrl->zr_owner->pid : 0; | |
| 0bd31011 | 59 | __entry->caller = zrl->zr_caller; |
| 7bdf406d TG |
60 | #endif |
| 61 | __entry->n = n; | |
| 62 | ), | |
| 63 | #ifdef ZFS_DEBUG | |
| 64 | TP_printk("zrl { refcount %d owner_pid %d caller %s } n %u", | |
| 0bd31011 | 65 | __entry->refcount, __entry->owner_pid, __entry->caller, |
| 7bdf406d TG |
66 | __entry->n) |
| 67 | #else | |
| 68 | TP_printk("zrl { refcount %d } n %u", | |
| 69 | __entry->refcount, __entry->n) | |
| 70 | #endif | |
| 71 | ); | |
| 72 | ||
| 73 | #define DEFINE_ZRLOCK_EVENT(name) \ | |
| 74 | DEFINE_EVENT(zfs_zrlock_class, name, \ | |
| 75 | TP_PROTO(zrlock_t *zrl, uint32_t n), \ | |
| 76 | TP_ARGS(zrl, n)) | |
| 77 | DEFINE_ZRLOCK_EVENT(zfs_zrlock__reentry); | |
| 78 | ||
| 79 | #endif /* _TRACE_ZRLOCK_H */ | |
| 80 | ||
| 81 | #undef TRACE_INCLUDE_PATH | |
| 82 | #undef TRACE_INCLUDE_FILE | |
| 83 | #define TRACE_INCLUDE_PATH sys | |
| 84 | #define TRACE_INCLUDE_FILE trace_zrlock | |
| 85 | #include <trace/define_trace.h> | |
| 86 | ||
| 87 | #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ |