Viewing file:  migrate.h (2.39 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
#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>
|