1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM migrate 4 5 #if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_MIGRATE_H 7 8 #include <linux/tracepoint.h> 9 10 #define MIGRATE_MODE \ 11 EM( MIGRATE_ASYNC, "MIGRATE_ASYNC") \ 12 EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT") \ 13 EMe(MIGRATE_SYNC, "MIGRATE_SYNC") 14 15 16 #define MIGRATE_REASON \ 17 EM( MR_COMPACTION, "compaction") \ 18 EM( MR_MEMORY_FAILURE, "memory_failure") \ 19 EM( MR_MEMORY_HOTPLUG, "memory_hotplug") \ 20 EM( MR_SYSCALL, "syscall_or_cpuset") \ 21 EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind") \ 22 EM( MR_NUMA_MISPLACED, "numa_misplaced") \ 23 EM( MR_CONTIG_RANGE, "contig_range") \ 24 EM( MR_LONGTERM_PIN, "longterm_pin") \ 25 EM( MR_DEMOTION, "demotion") \ 26 EM( MR_DAMON, "damon") \ 27 EMe(MR_NEVER, "never_migrated") 28 29 /* 30 * First define the enums in the above macros to be exported to userspace 31 * via TRACE_DEFINE_ENUM(). 32 */ 33 #undef EM 34 #undef EMe 35 #define EM(a, b) TRACE_DEFINE_ENUM(a); 36 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 37 38 MIGRATE_MODE 39 MIGRATE_REASON 40 41 /* 42 * Now redefine the EM() and EMe() macros to map the enums to the strings 43 * that will be printed in the output. 44 */ 45 #undef EM 46 #undef EMe 47 #define EM(a, b) {a, b}, 48 #define EMe(a, b) {a, b} 49 50 TRACE_EVENT(mm_migrate_pages, 51 52 TP_PROTO(unsigned long succeeded, unsigned long failed, 53 unsigned long thp_succeeded, unsigned long thp_failed, 54 unsigned long thp_split, unsigned long large_folio_split, 55 enum migrate_mode mode, enum migrate_reason reason), 56 57 TP_ARGS(succeeded, failed, thp_succeeded, thp_failed, 58 thp_split, large_folio_split, mode, reason), 59 60 TP_STRUCT__entry( 61 __field( unsigned long, succeeded) 62 __field( unsigned long, failed) 63 __field( unsigned long, thp_succeeded) 64 __field( unsigned long, thp_failed) 65 __field( unsigned long, thp_split) 66 __field( unsigned long, large_folio_split) 67 __field( enum migrate_mode, mode) 68 __field( enum migrate_reason, reason) 69 ), 70 71 TP_fast_assign( 72 __entry->succeeded = succeeded; 73 __entry->failed = failed; 74 __entry->thp_succeeded = thp_succeeded; 75 __entry->thp_failed = thp_failed; 76 __entry->thp_split = thp_split; 77 __entry->large_folio_split = large_folio_split; 78 __entry->mode = mode; 79 __entry->reason = reason; 80 ), 81 82 TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu nr_split=%lu mode=%s reason=%s", 83 __entry->succeeded, 84 __entry->failed, 85 __entry->thp_succeeded, 86 __entry->thp_failed, 87 __entry->thp_split, 88 __entry->large_folio_split, 89 __print_symbolic(__entry->mode, MIGRATE_MODE), 90 __print_symbolic(__entry->reason, MIGRATE_REASON)) 91 ); 92 93 TRACE_EVENT(mm_migrate_pages_start, 94 95 TP_PROTO(enum migrate_mode mode, enum migrate_reason reason), 96 97 TP_ARGS(mode, reason), 98 99 TP_STRUCT__entry( 100 __field(enum migrate_mode, mode) 101 __field(enum migrate_reason, reason) 102 ), 103 104 TP_fast_assign( 105 __entry->mode = mode; 106 __entry->reason = reason; 107 ), 108 109 TP_printk("mode=%s reason=%s", 110 __print_symbolic(__entry->mode, MIGRATE_MODE), 111 __print_symbolic(__entry->reason, MIGRATE_REASON)) 112 ); 113 114 DECLARE_EVENT_CLASS(migration_pte, 115 116 TP_PROTO(unsigned long addr, unsigned long pte, int order), 117 118 TP_ARGS(addr, pte, order), 119 120 TP_STRUCT__entry( 121 __field(unsigned long, addr) 122 __field(unsigned long, pte) 123 __field(int, order) 124 ), 125 126 TP_fast_assign( 127 __entry->addr = addr; 128 __entry->pte = pte; 129 __entry->order = order; 130 ), 131 132 TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order) 133 ); 134 135 DEFINE_EVENT(migration_pte, set_migration_pte, 136 TP_PROTO(unsigned long addr, unsigned long pte, int order), 137 TP_ARGS(addr, pte, order) 138 ); 139 140 DEFINE_EVENT(migration_pte, remove_migration_pte, 141 TP_PROTO(unsigned long addr, unsigned long pte, int order), 142 TP_ARGS(addr, pte, order) 143 ); 144 145 #endif /* _TRACE_MIGRATE_H */ 146 147 /* This part must be outside protection */ 148 #include <trace/define_trace.h> 149