projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2b5067a8 AR |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #undef TRACE_SYSTEM | |
| 3 | #define TRACE_SYSTEM mmap_lock | |
| 4 | ||
| 5 | #if !defined(_TRACE_MMAP_LOCK_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 6 | #define _TRACE_MMAP_LOCK_H | |
| 7 | ||
| 8 | #include <linux/tracepoint.h> | |
| 9 | #include <linux/types.h> | |
| 10 | ||
| 11 | struct mm_struct; | |
| 12 | ||
| 13 | extern int trace_mmap_lock_reg(void); | |
| 14 | extern void trace_mmap_lock_unreg(void); | |
| 15 | ||
| 16 | TRACE_EVENT_FN(mmap_lock_start_locking, | |
| 17 | ||
| 18 | TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write), | |
| 19 | ||
| 20 | TP_ARGS(mm, memcg_path, write), | |
| 21 | ||
| 22 | TP_STRUCT__entry( | |
| 23 | __field(struct mm_struct *, mm) | |
| 24 | __string(memcg_path, memcg_path) | |
| 25 | __field(bool, write) | |
| 26 | ), | |
| 27 | ||
| 28 | TP_fast_assign( | |
| 29 | __entry->mm = mm; | |
| 30 | __assign_str(memcg_path, memcg_path); | |
| 31 | __entry->write = write; | |
| 32 | ), | |
| 33 | ||
| 34 | TP_printk( | |
| 35 | "mm=%p memcg_path=%s write=%s\n", | |
| 36 | __entry->mm, | |
| 37 | __get_str(memcg_path), | |
| 38 | __entry->write ? "true" : "false" | |
| 39 | ), | |
| 40 | ||
| 41 | trace_mmap_lock_reg, trace_mmap_lock_unreg | |
| 42 | ); | |
| 43 | ||
| 44 | TRACE_EVENT_FN(mmap_lock_acquire_returned, | |
| 45 | ||
| 46 | TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write, | |
| 47 | bool success), | |
| 48 | ||
| 49 | TP_ARGS(mm, memcg_path, write, success), | |
| 50 | ||
| 51 | TP_STRUCT__entry( | |
| 52 | __field(struct mm_struct *, mm) | |
| 53 | __string(memcg_path, memcg_path) | |
| 54 | __field(bool, write) | |
| 55 | __field(bool, success) | |
| 56 | ), | |
| 57 | ||
| 58 | TP_fast_assign( | |
| 59 | __entry->mm = mm; | |
| 60 | __assign_str(memcg_path, memcg_path); | |
| 61 | __entry->write = write; | |
| 62 | __entry->success = success; | |
| 63 | ), | |
| 64 | ||
| 65 | TP_printk( | |
| 66 | "mm=%p memcg_path=%s write=%s success=%s\n", | |
| 67 | __entry->mm, | |
| 68 | __get_str(memcg_path), | |
| 69 | __entry->write ? "true" : "false", | |
| 70 | __entry->success ? "true" : "false" | |
| 71 | ), | |
| 72 | ||
| 73 | trace_mmap_lock_reg, trace_mmap_lock_unreg | |
| 74 | ); | |
| 75 | ||
| 76 | TRACE_EVENT_FN(mmap_lock_released, | |
| 77 | ||
| 78 | TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write), | |
| 79 | ||
| 80 | TP_ARGS(mm, memcg_path, write), | |
| 81 | ||
| 82 | TP_STRUCT__entry( | |
| 83 | __field(struct mm_struct *, mm) | |
| 84 | __string(memcg_path, memcg_path) | |
| 85 | __field(bool, write) | |
| 86 | ), | |
| 87 | ||
| 88 | TP_fast_assign( | |
| 89 | __entry->mm = mm; | |
| 90 | __assign_str(memcg_path, memcg_path); | |
| 91 | __entry->write = write; | |
| 92 | ), | |
| 93 | ||
| 94 | TP_printk( | |
| 95 | "mm=%p memcg_path=%s write=%s\n", | |
| 96 | __entry->mm, | |
| 97 | __get_str(memcg_path), | |
| 98 | __entry->write ? "true" : "false" | |
| 99 | ), | |
| 100 | ||
| 101 | trace_mmap_lock_reg, trace_mmap_lock_unreg | |
| 102 | ); | |
| 103 | ||
| 104 | #endif /* _TRACE_MMAP_LOCK_H */ | |
| 105 | ||
| 106 | /* This part must be outside protection */ | |
| 107 | #include <trace/define_trace.h> |