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 EMe(MR_CONTIG_RANGE, "contig_range") 24 25 /* 26 * First define the enums in the above macros to be exported to userspace 27 * via TRACE_DEFINE_ENUM(). 28 */ 29 #undef EM 30 #undef EMe 31 #define EM(a, b) TRACE_DEFINE_ENUM(a); 32 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 33 34 MIGRATE_MODE 35 MIGRATE_REASON 36 37 /* 38 * Now redefine the EM() and EMe() macros to map the enums to the strings 39 * that will be printed in the output. 40 */ 41 #undef EM 42 #undef EMe 43 #define EM(a, b) {a, b}, 44 #define EMe(a, b) {a, b} 45 46 TRACE_EVENT(mm_migrate_pages, 47 48 TP_PROTO(unsigned long succeeded, unsigned long failed, 49 enum migrate_mode mode, int reason), 50 51 TP_ARGS(succeeded, failed, mode, reason), 52 53 TP_STRUCT__entry( 54 __field( unsigned long, succeeded) 55 __field( unsigned long, failed) 56 __field( enum migrate_mode, mode) 57 __field( int, reason) 58 ), 59 60 TP_fast_assign( 61 __entry->succeeded = succeeded; 62 __entry->failed = failed; 63 __entry->mode = mode; 64 __entry->reason = reason; 65 ), 66 67 TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s", 68 __entry->succeeded, 69 __entry->failed, 70 __print_symbolic(__entry->mode, MIGRATE_MODE), 71 __print_symbolic(__entry->reason, MIGRATE_REASON)) 72 ); 73 #endif /* _TRACE_MIGRATE_H */ 74 75 /* This part must be outside protection */ 76 #include <trace/define_trace.h> 77