| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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_CMA, "cma") |
| 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 | |
| 74 | TRACE_EVENT(mm_numa_migrate_ratelimit, |
| 75 | |
| 76 | TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages), |
| 77 | |
| 78 | TP_ARGS(p, dst_nid, nr_pages), |
| 79 | |
| 80 | TP_STRUCT__entry( |
| 81 | __array( char, comm, TASK_COMM_LEN) |
| 82 | __field( pid_t, pid) |
| 83 | __field( int, dst_nid) |
| 84 | __field( unsigned long, nr_pages) |
| 85 | ), |
| 86 | |
| 87 | TP_fast_assign( |
| 88 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); |
| 89 | __entry->pid = p->pid; |
| 90 | __entry->dst_nid = dst_nid; |
| 91 | __entry->nr_pages = nr_pages; |
| 92 | ), |
| 93 | |
| 94 | TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu", |
| 95 | __entry->comm, |
| 96 | __entry->pid, |
| 97 | __entry->dst_nid, |
| 98 | __entry->nr_pages) |
| 99 | ); |
| 100 | #endif /* _TRACE_MIGRATE_H */ |
| 101 | |
| 102 | /* This part must be outside protection */ |
| 103 | #include <trace/define_trace.h> |