blob: f3743bf1498794bd64b4fed28806dfc6462d69eb [file] [log] [blame] [edit]
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
*/
#undef TRACE_SYSTEM
#define TRACE_INCLUDE_PATH .
#define TRACE_SYSTEM lowmemorykiller
#if !defined(_TRACE_LOWMEMORYKILLER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_LOWMEMORYKILLER_H
#include <linux/tracepoint.h>
TRACE_EVENT(lowmemory_kill,
TP_PROTO(struct task_struct *killed_task, long cache_size, long cache_limit, long free),
TP_ARGS(killed_task, cache_size, cache_limit, free),
TP_STRUCT__entry(
__array(char, comm, TASK_COMM_LEN)
__field(pid_t, pid)
__field(long, pagecache_size)
__field(long, pagecache_limit)
__field(long, free)
),
TP_fast_assign(
memcpy(__entry->comm, killed_task->comm, TASK_COMM_LEN);
__entry->pid = killed_task->pid;
__entry->pagecache_size = cache_size;
__entry->pagecache_limit = cache_limit;
__entry->free = free;
),
TP_printk("%s (%d), page cache %ldkB (limit %ldkB), free %ldKb",
__entry->comm, __entry->pid, __entry->pagecache_size,
__entry->pagecache_limit, __entry->free)
);
#endif /* if !defined(_TRACE_LOWMEMORYKILLER_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */
#include <trace/define_trace.h>