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 EMe(MR_LONGTERM_PIN, "longterm_pin") 25 26 /* 27 * First define the enums in the above macros to be exported to userspace 28 * via TRACE_DEFINE_ENUM(). 29 */ 30 #undef EM 31 #undef EMe 32 #define EM(a, b) TRACE_DEFINE_ENUM(a); 33 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 34 35 MIGRATE_MODE 36 MIGRATE_REASON 37 38 /* 39 * Now redefine the EM() and EMe() macros to map the enums to the strings 40 * that will be printed in the output. 41 */ 42 #undef EM 43 #undef EMe 44 #define EM(a, b) {a, b}, 45 #define EMe(a, b) {a, b} 46 47 TRACE_EVENT(mm_migrate_pages, 48 49 TP_PROTO(unsigned long succeeded, unsigned long failed, 50 unsigned long thp_succeeded, unsigned long thp_failed, 51 unsigned long thp_split, enum migrate_mode mode, int reason), 52 53 TP_ARGS(succeeded, failed, thp_succeeded, thp_failed, 54 thp_split, mode, reason), 55 56 TP_STRUCT__entry( 57 __field( unsigned long, succeeded) 58 __field( unsigned long, failed) 59 __field( unsigned long, thp_succeeded) 60 __field( unsigned long, thp_failed) 61 __field( unsigned long, thp_split) 62 __field( enum migrate_mode, mode) 63 __field( int, reason) 64 ), 65 66 TP_fast_assign( 67 __entry->succeeded = succeeded; 68 __entry->failed = failed; 69 __entry->thp_succeeded = thp_succeeded; 70 __entry->thp_failed = thp_failed; 71 __entry->thp_split = thp_split; 72 __entry->mode = mode; 73 __entry->reason = reason; 74 ), 75 76 TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s", 77 __entry->succeeded, 78 __entry->failed, 79 __entry->thp_succeeded, 80 __entry->thp_failed, 81 __entry->thp_split, 82 __print_symbolic(__entry->mode, MIGRATE_MODE), 83 __print_symbolic(__entry->reason, MIGRATE_REASON)) 84 ); 85 86 TRACE_EVENT(mm_migrate_pages_start, 87 88 TP_PROTO(enum migrate_mode mode, int reason), 89 90 TP_ARGS(mode, reason), 91 92 TP_STRUCT__entry( 93 __field(enum migrate_mode, mode) 94 __field(int, reason) 95 ), 96 97 TP_fast_assign( 98 __entry->mode = mode; 99 __entry->reason = reason; 100 ), 101 102 TP_printk("mode=%s reason=%s", 103 __print_symbolic(__entry->mode, MIGRATE_MODE), 104 __print_symbolic(__entry->reason, MIGRATE_REASON)) 105 ); 106 107 #endif /* _TRACE_MIGRATE_H */ 108 109 /* This part must be outside protection */ 110 #include <trace/define_trace.h> 111