diff options
Diffstat (limited to 'include/trace/events/migrate.h')
| -rw-r--r-- | include/trace/events/migrate.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h new file mode 100644 index 0000000000..061b5128f3 --- /dev/null +++ b/include/trace/events/migrate.h @@ -0,0 +1,142 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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") \ + EM( MR_CONTIG_RANGE, "contig_range") \ + EM( MR_LONGTERM_PIN, "longterm_pin") \ + EMe(MR_DEMOTION, "demotion") + +/* + * 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, + unsigned long thp_succeeded, unsigned long thp_failed, + unsigned long thp_split, enum migrate_mode mode, int reason), + + TP_ARGS(succeeded, failed, thp_succeeded, thp_failed, + thp_split, mode, reason), + + TP_STRUCT__entry( + __field( unsigned long, succeeded) + __field( unsigned long, failed) + __field( unsigned long, thp_succeeded) + __field( unsigned long, thp_failed) + __field( unsigned long, thp_split) + __field( enum migrate_mode, mode) + __field( int, reason) + ), + + TP_fast_assign( + __entry->succeeded = succeeded; + __entry->failed = failed; + __entry->thp_succeeded = thp_succeeded; + __entry->thp_failed = thp_failed; + __entry->thp_split = thp_split; + __entry->mode = mode; + __entry->reason = reason; + ), + + TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s", + __entry->succeeded, + __entry->failed, + __entry->thp_succeeded, + __entry->thp_failed, + __entry->thp_split, + __print_symbolic(__entry->mode, MIGRATE_MODE), + __print_symbolic(__entry->reason, MIGRATE_REASON)) +); + +TRACE_EVENT(mm_migrate_pages_start, + + TP_PROTO(enum migrate_mode mode, int reason), + + TP_ARGS(mode, reason), + + TP_STRUCT__entry( + __field(enum migrate_mode, mode) + __field(int, reason) + ), + + TP_fast_assign( + __entry->mode = mode; + __entry->reason = reason; + ), + + TP_printk("mode=%s reason=%s", + __print_symbolic(__entry->mode, MIGRATE_MODE), + __print_symbolic(__entry->reason, MIGRATE_REASON)) +); + +DECLARE_EVENT_CLASS(migration_pte, + + TP_PROTO(unsigned long addr, unsigned long pte, int order), + + TP_ARGS(addr, pte, order), + + TP_STRUCT__entry( + __field(unsigned long, addr) + __field(unsigned long, pte) + __field(int, order) + ), + + TP_fast_assign( + __entry->addr = addr; + __entry->pte = pte; + __entry->order = order; + ), + + TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order) +); + +DEFINE_EVENT(migration_pte, set_migration_pte, + TP_PROTO(unsigned long addr, unsigned long pte, int order), + TP_ARGS(addr, pte, order) +); + +DEFINE_EVENT(migration_pte, remove_migration_pte, + TP_PROTO(unsigned long addr, unsigned long pte, int order), + TP_ARGS(addr, pte, order) +); + +#endif /* _TRACE_MIGRATE_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |