diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm.h | 14 | ||||
| -rw-r--r-- | include/trace/events/process_reclaim.h | 85 |
2 files changed, 99 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index a56812f21657..cbe9b794c714 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2329,5 +2329,19 @@ void __init setup_nr_node_ids(void); static inline void setup_nr_node_ids(void) {} #endif +#ifdef CONFIG_PROCESS_RECLAIM +struct reclaim_param { + struct vm_area_struct *vma; + /* Number of pages scanned */ + int nr_scanned; + /* max pages to reclaim */ + int nr_to_reclaim; + /* pages reclaimed */ + int nr_reclaimed; +}; +extern struct reclaim_param reclaim_task_anon(struct task_struct *task, + int nr_to_reclaim); +#endif + #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/include/trace/events/process_reclaim.h b/include/trace/events/process_reclaim.h new file mode 100644 index 000000000000..6fcede793747 --- /dev/null +++ b/include/trace/events/process_reclaim.h @@ -0,0 +1,85 @@ +/* Copyright (c) 2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM process_reclaim + +#if !defined(_TRACE_EVENT_PROCESSRECLAIM_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_EVENT_PROCESSRECLAIM_H + +#include <linux/tracepoint.h> +#include <linux/types.h> +#include <linux/sched.h> + +TRACE_EVENT(process_reclaim, + + TP_PROTO(int tasksize, + short oom_score_adj, + int nr_scanned, int nr_reclaimed, + int per_swap_size, int total_sz, + int nr_to_reclaim), + + TP_ARGS(tasksize, oom_score_adj, nr_scanned, + nr_reclaimed, per_swap_size, + total_sz, nr_to_reclaim), + + TP_STRUCT__entry( + __field(int, tasksize) + __field(short, oom_score_adj) + __field(int, nr_scanned) + __field(int, nr_reclaimed) + __field(int, per_swap_size) + __field(int, total_sz) + __field(int, nr_to_reclaim) + ), + + TP_fast_assign( + __entry->tasksize = tasksize; + __entry->oom_score_adj = oom_score_adj; + __entry->nr_scanned = nr_scanned; + __entry->nr_reclaimed = nr_reclaimed; + __entry->per_swap_size = per_swap_size; + __entry->total_sz = total_sz; + __entry->nr_to_reclaim = nr_to_reclaim; + ), + + TP_printk("%d, %hd, %d, %d, %d, %d, %d", + __entry->tasksize, __entry->oom_score_adj, + __entry->nr_scanned, __entry->nr_reclaimed, + __entry->per_swap_size, __entry->total_sz, + __entry->nr_to_reclaim) +); + +TRACE_EVENT(process_reclaim_eff, + + TP_PROTO(int efficiency, int reclaim_avg_efficiency), + + TP_ARGS(efficiency, reclaim_avg_efficiency), + + TP_STRUCT__entry( + __field(int, efficiency) + __field(int, reclaim_avg_efficiency) + ), + + TP_fast_assign( + __entry->efficiency = efficiency; + __entry->reclaim_avg_efficiency = reclaim_avg_efficiency; + ), + + TP_printk("%d, %d", __entry->efficiency, + __entry->reclaim_avg_efficiency) +); + +#endif + +#include <trace/define_trace.h> + |