From a88f2096d5a2d91179db5dd9aa8f60dc3df9bb3e Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Tue, 22 Mar 2022 14:39:19 -0700 Subject: remove congestion tracking framework This framework is no longer used - so discard it. Link: https://lkml.kernel.org/r/164549983747.9187.6171768583526866601.stgit@noble.brown Signed-off-by: NeilBrown Cc: Anna Schumaker Cc: Chao Yu Cc: Darrick J. Wong Cc: Ilya Dryomov Cc: Jaegeuk Kim Cc: Jan Kara Cc: Jeff Layton Cc: Jens Axboe Cc: Lars Ellenberg Cc: Miklos Szeredi Cc: Paolo Valente Cc: Philipp Reisner Cc: Ryusuke Konishi Cc: Trond Myklebust Cc: Wu Fengguang Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/trace/events/writeback.h | 28 ---------------------------- 1 file changed, 28 deletions(-) (limited to 'include/trace') diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index a345b1e12daf..86b2a82da546 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -735,34 +735,6 @@ TRACE_EVENT(writeback_sb_inodes_requeue, ) ); -DECLARE_EVENT_CLASS(writeback_congest_waited_template, - - TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), - - TP_ARGS(usec_timeout, usec_delayed), - - TP_STRUCT__entry( - __field( unsigned int, usec_timeout ) - __field( unsigned int, usec_delayed ) - ), - - TP_fast_assign( - __entry->usec_timeout = usec_timeout; - __entry->usec_delayed = usec_delayed; - ), - - TP_printk("usec_timeout=%u usec_delayed=%u", - __entry->usec_timeout, - __entry->usec_delayed) -); - -DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait, - - TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), - - TP_ARGS(usec_timeout, usec_delayed) -); - DECLARE_EVENT_CLASS(writeback_single_inode_template, TP_PROTO(struct inode *inode, -- cgit v1.2.3-58-ga151 From abd4349ff9b8d242376b67711254221f64f447c7 Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Tue, 22 Mar 2022 14:45:56 -0700 Subject: mm: compaction: cleanup the compaction trace events As Steven suggested [1], we should access the pointers from the trace event to avoid dereferencing them to the tracepoint function when the tracepoint is disabled. [1] https://lkml.org/lkml/2021/11/3/409 Link: https://lkml.kernel.org/r/4cd393b4d57f8f01ed72c001509b28e3a3b1a8c1.1646985115.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang Cc: Steven Rostedt (Google) Cc: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/trace/events/compaction.h | 26 +++++++++++++------------- mm/compaction.c | 9 +++------ 2 files changed, 16 insertions(+), 19 deletions(-) (limited to 'include/trace') diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h index 7d48e7079e48..c6d5d70dc7a5 100644 --- a/include/trace/events/compaction.h +++ b/include/trace/events/compaction.h @@ -67,10 +67,10 @@ DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages, #ifdef CONFIG_COMPACTION TRACE_EVENT(mm_compaction_migratepages, - TP_PROTO(unsigned long nr_all, + TP_PROTO(struct compact_control *cc, unsigned int nr_succeeded), - TP_ARGS(nr_all, nr_succeeded), + TP_ARGS(cc, nr_succeeded), TP_STRUCT__entry( __field(unsigned long, nr_migrated) @@ -79,7 +79,7 @@ TRACE_EVENT(mm_compaction_migratepages, TP_fast_assign( __entry->nr_migrated = nr_succeeded; - __entry->nr_failed = nr_all - nr_succeeded; + __entry->nr_failed = cc->nr_migratepages - nr_succeeded; ), TP_printk("nr_migrated=%lu nr_failed=%lu", @@ -88,10 +88,10 @@ TRACE_EVENT(mm_compaction_migratepages, ); TRACE_EVENT(mm_compaction_begin, - TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn, - unsigned long free_pfn, unsigned long zone_end, bool sync), + TP_PROTO(struct compact_control *cc, unsigned long zone_start, + unsigned long zone_end, bool sync), - TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync), + TP_ARGS(cc, zone_start, zone_end, sync), TP_STRUCT__entry( __field(unsigned long, zone_start) @@ -103,8 +103,8 @@ TRACE_EVENT(mm_compaction_begin, TP_fast_assign( __entry->zone_start = zone_start; - __entry->migrate_pfn = migrate_pfn; - __entry->free_pfn = free_pfn; + __entry->migrate_pfn = cc->migrate_pfn; + __entry->free_pfn = cc->free_pfn; __entry->zone_end = zone_end; __entry->sync = sync; ), @@ -118,11 +118,11 @@ TRACE_EVENT(mm_compaction_begin, ); TRACE_EVENT(mm_compaction_end, - TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn, - unsigned long free_pfn, unsigned long zone_end, bool sync, + TP_PROTO(struct compact_control *cc, unsigned long zone_start, + unsigned long zone_end, bool sync, int status), - TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status), + TP_ARGS(cc, zone_start, zone_end, sync, status), TP_STRUCT__entry( __field(unsigned long, zone_start) @@ -135,8 +135,8 @@ TRACE_EVENT(mm_compaction_end, TP_fast_assign( __entry->zone_start = zone_start; - __entry->migrate_pfn = migrate_pfn; - __entry->free_pfn = free_pfn; + __entry->migrate_pfn = cc->migrate_pfn; + __entry->free_pfn = cc->free_pfn; __entry->zone_end = zone_end; __entry->sync = sync; __entry->status = status; diff --git a/mm/compaction.c b/mm/compaction.c index b72fb9da4c45..c3e37aa9ff9e 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2387,8 +2387,7 @@ compact_zone(struct compact_control *cc, struct capture_control *capc) update_cached = !sync && cc->zone->compact_cached_migrate_pfn[0] == cc->zone->compact_cached_migrate_pfn[1]; - trace_mm_compaction_begin(start_pfn, cc->migrate_pfn, - cc->free_pfn, end_pfn, sync); + trace_mm_compaction_begin(cc, start_pfn, end_pfn, sync); /* lru_add_drain_all could be expensive with involving other CPUs */ lru_add_drain(); @@ -2438,8 +2437,7 @@ compact_zone(struct compact_control *cc, struct capture_control *capc) compaction_free, (unsigned long)cc, cc->mode, MR_COMPACTION, &nr_succeeded); - trace_mm_compaction_migratepages(cc->nr_migratepages, - nr_succeeded); + trace_mm_compaction_migratepages(cc, nr_succeeded); /* All pages were either migrated or will be released */ cc->nr_migratepages = 0; @@ -2515,8 +2513,7 @@ out: count_compact_events(COMPACTMIGRATE_SCANNED, cc->total_migrate_scanned); count_compact_events(COMPACTFREE_SCANNED, cc->total_free_scanned); - trace_mm_compaction_end(start_pfn, cc->migrate_pfn, - cc->free_pfn, end_pfn, sync, ret); + trace_mm_compaction_end(cc, start_pfn, end_pfn, sync, ret); return ret; } -- cgit v1.2.3-58-ga151