diff options
Diffstat (limited to 'include/trace/events')
-rw-r--r-- | include/trace/events/block.h | 33 | ||||
-rw-r--r-- | include/trace/events/compaction.h | 67 | ||||
-rw-r--r-- | include/trace/events/kmem.h | 10 | ||||
-rw-r--r-- | include/trace/events/module.h | 2 | ||||
-rw-r--r-- | include/trace/events/pagemap.h | 16 |
5 files changed, 105 insertions, 23 deletions
diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 4c2301d..2aaf370 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -132,6 +132,7 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue, * block_rq_complete - block IO operation completed by device driver * @q: queue containing the block operation request * @rq: block operations request + * @nr_bytes: number of completed bytes * * The block_rq_complete tracepoint event indicates that some portion * of operation request has been completed by the device driver. If @@ -139,11 +140,37 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue, * do for the request. If @rq->bio is non-NULL then there is * additional work required to complete the request. */ -DEFINE_EVENT(block_rq_with_error, block_rq_complete, +TRACE_EVENT(block_rq_complete, - TP_PROTO(struct request_queue *q, struct request *rq), + TP_PROTO(struct request_queue *q, struct request *rq, + unsigned int nr_bytes), - TP_ARGS(q, rq) + TP_ARGS(q, rq, nr_bytes), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( sector_t, sector ) + __field( unsigned int, nr_sector ) + __field( int, errors ) + __array( char, rwbs, RWBS_LEN ) + __dynamic_array( char, cmd, blk_cmd_buf_len(rq) ) + ), + + TP_fast_assign( + __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; + __entry->sector = blk_rq_pos(rq); + __entry->nr_sector = nr_bytes >> 9; + __entry->errors = rq->errors; + + blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes); + blk_dump_cmd(__get_str(cmd), rq); + ), + + TP_printk("%d,%d %s (%s) %llu + %u [%d]", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->rwbs, __get_str(cmd), + (unsigned long long)__entry->sector, + __entry->nr_sector, __entry->errors) ); DECLARE_EVENT_CLASS(block_rq, diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h index fde1b3e..c6814b9 100644 --- a/include/trace/events/compaction.h +++ b/include/trace/events/compaction.h @@ -5,6 +5,7 @@ #define _TRACE_COMPACTION_H #include <linux/types.h> +#include <linux/list.h> #include <linux/tracepoint.h> #include <trace/events/gfpflags.h> @@ -47,10 +48,11 @@ DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages, TRACE_EVENT(mm_compaction_migratepages, - TP_PROTO(unsigned long nr_migrated, - unsigned long nr_failed), + TP_PROTO(unsigned long nr_all, + int migrate_rc, + struct list_head *migratepages), - TP_ARGS(nr_migrated, nr_failed), + TP_ARGS(nr_all, migrate_rc, migratepages), TP_STRUCT__entry( __field(unsigned long, nr_migrated) @@ -58,7 +60,22 @@ TRACE_EVENT(mm_compaction_migratepages, ), TP_fast_assign( - __entry->nr_migrated = nr_migrated; + unsigned long nr_failed = 0; + struct list_head *page_lru; + + /* + * migrate_pages() returns either a non-negative number + * with the number of pages that failed migration, or an + * error code, in which case we need to count the remaining + * pages manually + */ + if (migrate_rc >= 0) + nr_failed = migrate_rc; + else + list_for_each(page_lru, migratepages) + nr_failed++; + + __entry->nr_migrated = nr_all - nr_failed; __entry->nr_failed = nr_failed; ), @@ -67,6 +84,48 @@ TRACE_EVENT(mm_compaction_migratepages, __entry->nr_failed) ); +TRACE_EVENT(mm_compaction_begin, + TP_PROTO(unsigned long zone_start, unsigned long migrate_start, + unsigned long free_start, unsigned long zone_end), + + TP_ARGS(zone_start, migrate_start, free_start, zone_end), + + TP_STRUCT__entry( + __field(unsigned long, zone_start) + __field(unsigned long, migrate_start) + __field(unsigned long, free_start) + __field(unsigned long, zone_end) + ), + + TP_fast_assign( + __entry->zone_start = zone_start; + __entry->migrate_start = migrate_start; + __entry->free_start = free_start; + __entry->zone_end = zone_end; + ), + + TP_printk("zone_start=%lu migrate_start=%lu free_start=%lu zone_end=%lu", + __entry->zone_start, + __entry->migrate_start, + __entry->free_start, + __entry->zone_end) +); + +TRACE_EVENT(mm_compaction_end, + TP_PROTO(int status), + + TP_ARGS(status), + + TP_STRUCT__entry( + __field(int, status) + ), + + TP_fast_assign( + __entry->status = status; + ), + + TP_printk("status=%d", __entry->status) +); #endif /* _TRACE_COMPACTION_H */ diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h index d0c6134..aece134 100644 --- a/include/trace/events/kmem.h +++ b/include/trace/events/kmem.h @@ -267,14 +267,12 @@ DEFINE_EVENT_PRINT(mm_page, mm_page_pcpu_drain, TRACE_EVENT(mm_page_alloc_extfrag, TP_PROTO(struct page *page, - int alloc_order, int fallback_order, - int alloc_migratetype, int fallback_migratetype, - int change_ownership), + int alloc_order, int fallback_order, + int alloc_migratetype, int fallback_migratetype, int new_migratetype), TP_ARGS(page, alloc_order, fallback_order, - alloc_migratetype, fallback_migratetype, - change_ownership), + alloc_migratetype, fallback_migratetype, new_migratetype), TP_STRUCT__entry( __field( struct page *, page ) @@ -291,7 +289,7 @@ TRACE_EVENT(mm_page_alloc_extfrag, __entry->fallback_order = fallback_order; __entry->alloc_migratetype = alloc_migratetype; __entry->fallback_migratetype = fallback_migratetype; - __entry->change_ownership = change_ownership; + __entry->change_ownership = (new_migratetype == alloc_migratetype); ), TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d", diff --git a/include/trace/events/module.h b/include/trace/events/module.h index 1619327..ca298c7 100644 --- a/include/trace/events/module.h +++ b/include/trace/events/module.h @@ -78,7 +78,7 @@ DECLARE_EVENT_CLASS(module_refcnt, TP_fast_assign( __entry->ip = ip; - __entry->refcnt = __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs); + __entry->refcnt = __this_cpu_read(mod->refptr->incs) - __this_cpu_read(mod->refptr->decs); __assign_str(name, mod->name); ), diff --git a/include/trace/events/pagemap.h b/include/trace/events/pagemap.h index 1c9fabd..ce0803b 100644 --- a/include/trace/events/pagemap.h +++ b/include/trace/events/pagemap.h @@ -28,12 +28,10 @@ TRACE_EVENT(mm_lru_insertion, TP_PROTO( struct page *page, - unsigned long pfn, - int lru, - unsigned long flags + int lru ), - TP_ARGS(page, pfn, lru, flags), + TP_ARGS(page, lru), TP_STRUCT__entry( __field(struct page *, page ) @@ -44,9 +42,9 @@ TRACE_EVENT(mm_lru_insertion, TP_fast_assign( __entry->page = page; - __entry->pfn = pfn; + __entry->pfn = page_to_pfn(page); __entry->lru = lru; - __entry->flags = flags; + __entry->flags = trace_pagemap_flags(page); ), /* Flag format is based on page-types.c formatting for pagemap */ @@ -64,9 +62,9 @@ TRACE_EVENT(mm_lru_insertion, TRACE_EVENT(mm_lru_activate, - TP_PROTO(struct page *page, unsigned long pfn), + TP_PROTO(struct page *page), - TP_ARGS(page, pfn), + TP_ARGS(page), TP_STRUCT__entry( __field(struct page *, page ) @@ -75,7 +73,7 @@ TRACE_EVENT(mm_lru_activate, TP_fast_assign( __entry->page = page; - __entry->pfn = pfn; + __entry->pfn = page_to_pfn(page); ), /* Flag format is based on page-types.c formatting for pagemap */ |