From aff28015fe5396b7f2bf7f55863949d391eb75fb Mon Sep 17 00:00:00 2001 From: Michal Hocko Date: Wed, 22 Feb 2017 15:41:57 -0800 Subject: mm, trace: extract COMPACTION_STATUS and ZONE_TYPE to a common header COMPACTION_STATUS resp. ZONE_TYPE are currently used to translate enum compact_result resp. struct zone index into their symbolic names for an easier post processing. The follow up patch would like to reuse this as well. The code involves some preprocessor black magic which is better not duplicated elsewhere so move it to a common mm tracing relate header. Link: http://lkml.kernel.org/r/20161220130135.15719-2-mhocko@kernel.org Signed-off-by: Michal Hocko Acked-by: Vlastimil Babka Cc: David Rientjes Cc: Johannes Weiner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/trace/events/compaction.h | 60 ++------------------------------------- 1 file changed, 3 insertions(+), 57 deletions(-) (limited to 'include/trace/events/compaction.h') diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h index cbdb90b..0a18ab6 100644 --- a/include/trace/events/compaction.h +++ b/include/trace/events/compaction.h @@ -9,62 +9,6 @@ #include #include -#define COMPACTION_STATUS \ - EM( COMPACT_SKIPPED, "skipped") \ - EM( COMPACT_DEFERRED, "deferred") \ - EM( COMPACT_CONTINUE, "continue") \ - EM( COMPACT_SUCCESS, "success") \ - EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \ - EM( COMPACT_COMPLETE, "complete") \ - EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \ - EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \ - EMe(COMPACT_CONTENDED, "contended") - -#ifdef CONFIG_ZONE_DMA -#define IFDEF_ZONE_DMA(X) X -#else -#define IFDEF_ZONE_DMA(X) -#endif - -#ifdef CONFIG_ZONE_DMA32 -#define IFDEF_ZONE_DMA32(X) X -#else -#define IFDEF_ZONE_DMA32(X) -#endif - -#ifdef CONFIG_HIGHMEM -#define IFDEF_ZONE_HIGHMEM(X) X -#else -#define IFDEF_ZONE_HIGHMEM(X) -#endif - -#define ZONE_TYPE \ - IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \ - IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \ - EM (ZONE_NORMAL, "Normal") \ - IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \ - EMe(ZONE_MOVABLE,"Movable") - -/* - * 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); - -COMPACTION_STATUS -ZONE_TYPE - -/* - * 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} DECLARE_EVENT_CLASS(mm_compaction_isolate_template, @@ -187,6 +131,7 @@ TRACE_EVENT(mm_compaction_begin, __entry->sync ? "sync" : "async") ); +#ifdef CONFIG_COMPACTION 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, @@ -220,6 +165,7 @@ TRACE_EVENT(mm_compaction_end, __entry->sync ? "sync" : "async", __print_symbolic(__entry->status, COMPACTION_STATUS)) ); +#endif TRACE_EVENT(mm_compaction_try_to_compact_pages, @@ -248,6 +194,7 @@ TRACE_EVENT(mm_compaction_try_to_compact_pages, __entry->prio) ); +#ifdef CONFIG_COMPACTION DECLARE_EVENT_CLASS(mm_compaction_suitable_template, TP_PROTO(struct zone *zone, @@ -295,7 +242,6 @@ DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable, TP_ARGS(zone, order, ret) ); -#ifdef CONFIG_COMPACTION DECLARE_EVENT_CLASS(mm_compaction_defer_template, TP_PROTO(struct zone *zone, int order), -- cgit v1.1