#undef TRACE_SYSTEM #define TRACE_SYSTEM migrate #if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_MIGRATE_H #include <linux/tracepoint.h> #define MIGRATE_MODE \ EM( MIGRATE_ASYNC, "MIGRATE_ASYNC") \ EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT") \ EMe(MIGRATE_SYNC, "MIGRATE_SYNC") #define MIGRATE_REASON \ EM( MR_COMPACTION, "compaction") \ EM( MR_MEMORY_FAILURE, "memory_failure") \ EM( MR_MEMORY_HOTPLUG, "memory_hotplug") \ EM( MR_SYSCALL, "syscall_or_cpuset") \ EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind") \ EM( MR_NUMA_MISPLACED, "numa_misplaced") \ EMe(MR_CMA, "cma") /* * First define the enums in the above macros to be exported to userspace * via TRACE_DEFINE_ENUM(). */ #undef EM #undef EMe #define EM(a, b) TRACE_DEFINE_ENUM(a); #define EMe(a, b) TRACE_DEFINE_ENUM(a); MIGRATE_MODE MIGRATE_REASON /* * Now redefine the EM() and EMe() macros to map the enums to the strings * that will be printed in the output. */ #undef EM #undef EMe #define EM(a, b) {a, b}, #define EMe(a, b) {a, b} TRACE_EVENT(mm_migrate_pages, TP_PROTO(unsigned long succeeded, unsigned long failed, enum migrate_mode mode, int reason), TP_ARGS(succeeded, failed, mode, reason), TP_STRUCT__entry( __field( unsigned long, succeeded) __field( unsigned long, failed) __field( enum migrate_mode, mode) __field( int, reason) ), TP_fast_assign( __entry->succeeded = succeeded; __entry->failed = failed; __entry->mode = mode; __entry->reason = reason; ), TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s", __entry->succeeded, __entry->failed, __print_symbolic(__entry->mode, MIGRATE_MODE), __print_symbolic(__entry->reason, MIGRATE_REASON)) ); TRACE_EVENT(mm_numa_migrate_ratelimit, TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages), TP_ARGS(p, dst_nid, nr_pages), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN) __field( pid_t, pid) __field( int, dst_nid) __field( unsigned long, nr_pages) ), TP_fast_assign( memcpy(__entry->comm, p->comm, TASK_COMM_LEN); __entry->pid = p->pid; __entry->dst_nid = dst_nid; __entry->nr_pages = nr_pages; ), TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu", __entry->comm, __entry->pid, __entry->dst_nid, __entry->nr_pages) ); #endif /* _TRACE_MIGRATE_H */ /* This part must be outside protection */ #include <trace/define_trace.h>